Modeliranje toplinkih postupaka dobijanja magnezija
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Transcript of Modeliranje toplinkih postupaka dobijanja magnezija
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Mde f Tea MaePcee
W Wada
A Thesis Presented for the Degree of Doctor of Philosophy
Fac f Eee ad Ida SceceSbe Ue f Tec
2013
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D
Te a decae a e:
• ca aea c a bee acceed f e aad e
caddae f a e deee da, ece ee de efeece
ade e e f e e;
• e be f e caddae ede ca aea e
bed e b ae e ece ee de efeece
ade e e f e e; ad
• ee e baed eeac bca, dce e
eae cb f e eece e a.
W WadaFeba 2013
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T Pae Iea Lef Ba
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A
Te ce da e f dc ae a e Pde
ce, a bac eaca e a e cec edc f
eac ae e f f ea a. We ce
eae ad ffe e ea, e dc f ce e
. Oe cec cee c a e Maee ad e Me
ce ae ceae e dc f e cec edc
ce b ca e edc a e eeae a d de
ae. Te e eeae ad ced ceaed dc
e ead eae e e ae ea. We e
cec cee a bee eae e ee ea, ee ed
fa e edac ad ec f e ce. I aca,
ee ed fa e bea f ae a ad
e ee cee. Te e f d eae e
fdaea ce acaed e cec cee,
ea e bea f e e ce, b
edac de ad ec aa, ad e e edc f
edac de b ef a eeea d.
Te f ae f e d fced e edac de f
cec cee e Gbb ee a ed.
Tedac de edced e f ae ece f e
ce a ecfc ea cd. Te e ed e de eedc eeea ad da daa f eae: F eae beee
1100 ad 1200 °C, e de edced 99 % f ce e daa
ed a ce aed beee 87 ad 89 %. A de f
e eac ae a deeed daa f cca aaed eae
decbe e eac beee ba ea ed e ae
e e. A ae eb de f a cdea
edced e eeae e ce a eeae ae beee
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e eac ad cdee e; a beee 482 ad 1100 °C,
e c f e ece Fe, FeS, CaO, ad M2Ca.
I e e ae f eeac, a ec d a caed aae e
ec f e ce de a f e a aee. Te eeea
daa ed f d a f a e e cec eac
de a aee. Te ec aa cdeed a be f ec
de dffee c fac ad e a afe ec f
ae a f e bee e b a ae. Baed e
aa, a ccded a e cec ce de e
aee a ced b d ae dff f eaca, e Jadead GBe de be e be de decbe e ec
f e ce. Te aa a edced a af a afe f
ae e b a ae a e ea ec f e
ce.
I de e edc f e edac de d, a
eeea aaa a deeed ad eeea a efed
e Pde ce ce eae e bea f e
e ce. Se cdeae ee fd e ce a f e face,
MO a e a ae. Te ae ea cdeae ad bee
ed ded afe fa. Te aa f ccea f e
cdeae a edced f e edac de d a
beed e eeea d. Te Caca Ncea Te edc
a ee cea f e ece cc a dffee eeae,
c ced dffee e a be. Hee, de
e a ee f Ca, SO, ad Fe eeae ae, ee
ece d be eeced be beed e eeea d,
c a ce e eeea e.
I cc, ee edece a e ee ae a
ca be acca eaaed b eece cdea, ee
edaca feabe. Eeea a e ccea ad
eeae ae ae eed f ee .
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A
I d e ee ade Aa, e A, de e
PD d ad bed.
I a debed ad bed e, Pfe Geffe B, f
dace ad , ad ce ead e f e. He a
bee e cae e e I a bee
beee PD e ad bec a e. I ea ade
ea eeac ad cb e ce, c a
ae e d eeac. I d e a f dc e
fed f eeac ad e eeae ce eeac c.
I a d e ee ade ecd e, D. M. Aba
Rada, f aabe dc. T eea e, D. Ba J.
Maa, I d e a f aabe dc ad e
eeac. I aa a e ec f ced
e, eeca ab e aaca a e a eeea .
I e cee afe ecca aff a e Fac f Eee ad
Ida Scece: P Wa, Aec Paaca, Dad Va, ad Ade
Me f a e cc eeea ad e e ecca.
W e aace, a e cae cc ad dee a
e aba ad eeea e ea f eeac .
I a d e a D. Jae Wa f a e cdc
SEM/EDS aa, ad D. Fac Maebe f Fac f Lfe ad Sca
Scece f a e cdc XRD aa ad a dc e
eeac .
Ta a ceae f e H Teeae Pce (
eca de): Nea Da, Na Hda, Be Fae, Med Aa,
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Bead X, Rea M, Abd Ka, Saf Ia, ad Saba Saba. I
aca, I d e a Nea, Na, ad Med f a
def dc ad a f ede ad eeece d e
da f PD e.
I a e af bad, Maad A Kae, aa
e a a f d. I a bee a ea eeece
ae PD e ad ae cefc dc a
ca. T , Affa ad Afa, a bee ec,
a be ae ad dead e ad e b
e PD. Ad a ae, e, ad ae a (Haa Ba
ad N Rda) e c e ad ecae e
f d, I d e a e.
T e dedcaed beed ae, Na Idaaa ad Nada
Ad. Te ae aed e a e f cece ad aa e
a cda a e e acee cce ce cdd
.
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, M K, A, A
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C
Decaa ................................................... ............................................................ ..........................
Abac .............................................................................. ............................................................ ...
Acede ......................................................... ............................................................ .....
Tabe f Ce ............................................................ ............................................................ ...
L f Fe ........................................................ ............................................................ ..........
L f Tabe ................................................................................................................................
Necae ..........................................................................................................................
1 Idc .................................................................................................. .......................... 1
2
Fdaea f Scec Pcee ....................................................... .............. 5
2.1 Te Pde Pce ....................................................... ............................................. 5
2.1.1 Tedac f e Pde Pce................................................... 9
2.1.2 Reac Kec f e Pde Pce ................................................ 12
2.1.2.1 Reac Vac Cd ........................................................... . 12
2.1.2.1.1 Effec f Teeae ad Pee ............................................. 17
2.1.2.1.2 Effec f Sc Gade ......................................................................... 18
2.1.2.1.3
Effec f Sc Sce ........................................................ 19
2.1.2.1.4 Effec f Caa.................................................................................... 19
2.1.2.1.5 Effec f Pace Se ad Db ........................................ 20
2.1.2.1.6 Effec f Be Pee ......................................................... 20
2.1.2.2 Reac de F Ie Ga Aee ........................... 20
2.1.3 Reac Meca f e Pde Pce ......................................... 22
2.2 Ba Pce ...................................................... .................................................... 27
2.3
Maee Pce ............................................................................................. ... 29
2.3.1 Maee Pce Dec .............................................................. . 29
2.3.2 Maee Ref Oea ...................................................... ........... 32
2.3.3 Mdfed Maee Pcee ............................................................... . 33
2.4 Me Pce ........................................................ .................................................... 34
2.4.1 Me Pce Dec .......................................................................... 34
2.4.2 Me Ref Oea ............................................................................ 39
2.4.3
Pec f e Me Pce.................................................................. 40
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2.5 P Reee f Ceca Mae .......................................... 41
3 Ree f Tedac ad Kec f H Teeae Se ..... 45
3.1 Tedac Mde .............................................................................. ...... 45
3.1.1 Gbb Ee Ma ........................................ ................................... 45
3.1.2 Daabae Deee ................................................................................... 48
3.1.3 S Mde ..................................................... ............................................. 48
3.1.3.1 Idea S Mde ....................................................... ......................... 49
3.1.3.2 De S Mde ..................................................... ......................... 49
3.1.3.3 Rea S Mde ............................................................ .............. 50
3.1.3.4 Rad M S Mde ...................................................... .... 51
3.1.3.5 Sbace Mde ..................................................... ................................... 52
3.1.3.6 Cd Ee Fa Mde ............................................... 53
3.1.3.7 Mdfed Qaceca Mde ........................................................... 53
3.1.4 Tececa Pacae ................................................... ......................... 55
3.1.4.1 CeTedaa ....................................................... ......................... 55
3.1.4.2 HSC ................................................................................................................. 56
3.1.4.3 FacSae ........................................................... ............................................. 56
3.1.4.4 MTDATA .......................................................... ............................................. 57
3.2 Reac Kec ............................................................ ............................................ 58
3.2.1 Kec f Heeee Reac ...................................................... .... 58
3.2.2 Kec Te f GaSd Reac ...................................................... 60
3.2.3 Kec Te f SdSd Reac ................................................... 62
3.2.3.1 SdSae Dff ................................................................................ 66
3.2.3.2 GaPae Ma Tafe ......................................................... .............. 67
3.2.4
Kec f Va Cdea ............................................................ .... 70
3.2.4.1 Hee Ncea ..................................................................... 71
3.2.4.1.1 Caca Ncea Te (CNT) ................................................ 73
3.2.4.1.2 Scaed Ncea Te (SNT) ..................................................... 74
3.2.4.1.3 Iea Ce Caca Ncea Te (ICCT) ... 75
3.2.4.2 Heeee Ncea ..................................................... ............... 76
3.2.4.3 G f Pace................................................................................... 77
3.3
Eeea Tece ................................................................................. ...... 78
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3.3.1 Eeea Tece e Kec f Scec
Pcee ....................................................... ............................................................ ............ 78
3.3.2 Eeea Sde Hee Ncea ........................... 84
4
Reeac Ie................................................................................................................... 87
5 Tedac Mde f Scec Pcee ...................................... 89
5.1 Med f Mde ...................................................... ................................ 89
5.2 Tedac Aa f Scec Pcee ................................. 92
5.2.1 Tedac Sa f e Pde Pce........................... 94
5.2.1.1 Mde Deee ......................................................................... 94
5.2.1.2 Re ....................................................... .................................................... 97
5.2.2
Tedac Sa f e Maee Pce ................. 99
5.2.2.1 Mde Deee ....................................................................... 99
5.2.2.2 Re ....................................................... .................................................. 100
5.2.3 Tedac Sa f e Me Pce ........................... 101
5.2.3.1 Mde Deee ....................................................................... 101
5.2.3.2 Re ....................................................... .................................................. 102
5.2.4 Ie e Scec Pcee ............................................. 103
5.2.4.1
Mde Deee ....................................................................... 104
5.2.4.2 Mde f Ie Bea f Va dced f
e Pde Pce .................................................. .................................................. 105
5.2.4.3 Mde f Ie Bea f Va dced f
e Maee Pce ............................................................................... ............ 107
5.2.4.4 Mde f Ie Bea f Va dced f
e Me Pce ..................................................... .................................................. 107
5.2.5 Aa f Pea Sd .................................................................... 109
5.3 Deaed Tedac Aa f e Pde Pce .................... 111
5.3.1 Deee f Tedac Mde f Meac Pae ........ 112
5.3.1.1 MCa Se ........................................................................................... 112
5.3.1.2 MS Se ......................................................................... ................... 114
5.3.1.3 CaS Se ............................................................... .............................. 115
5.3.1.4 FeS Se ...................................................... ........................................ 116
5.3.1.5 Oe Se ........................................................................................ .. 117
5.3.1.6 Cc f Meac Pae S Mde Daabae .... 117
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5.3.1.7 Ne BI Meac S Daabae f FacSae ..119
5.3.2 Mde Fa ............................................................ ......................121
5.3.3 Re .................................................................................................................123
5.3.3.1 Effec f Se Vaabe Mae Rece ....................123
5.3.3.1.1 Effec f Teeae .......................................................................123
5.3.3.1.2 Effec f Pee ......................................................... .......................124
5.3.3.2 Se Sae Cdea Mde.....................................................126
5.3.3.3 Mae Cdea Mde .......................................................129
5.3.3.3.1 Mde f Va Cdea f 1160 °C Reac
Teeae ..............................................................................................................129
5.3.3.3.2
Mde f Va Cdea f 1360 °C ReacTeeae ..............................................................................................................134
5.4 Dc ...................................................................................................................137
5.4.1 Effec f Oea Cd Mae Rece....................137
5.4.2 Eb Mde f Va Cdea ......................................138
5.5 Ccd Rea ...............................................................................................141
6 Kec f Scec Pce de F A Aee .........143
6.1
Idc ...............................................................................................................143
6.2 Kec f Reac ....................................................... ..........................................144
6.2.1 Mde Fa .........................................................................................146
6.2.2 Re .................................................................................................................151
6.3 Kec f Ma Tafe ...................................................... ................................156
6.3.1 Mde Fa .......................................................................................158
6.3.1.1 GaF Ma Tafe ............................................................ ............158
6.3.1.2
Pe Dff...........................................................................................160
6.3.2 Re .................................................................................................................161
6.3.2.1 Effec f A Ga F Rae .......................................................... ..162
6.3.2.2 Effec f Te ad Teeae .......................................................163
6.4 Dc ...................................................................................................................165
6.4.1 Kec f Reac ........................................................................................165
6.4.2 Kec f Ma Tafe .............................................................................167
6.5
Cc .................................................... ............................................................ ...168
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7 Eeea: Ie Sd Mae Pdced a Scec
Pce ............................................................................................................ ............................... 171
7.1 Eeea Med .................................................... .............................. 171
7.1.1
Eeea R ............................................................................................. 172
7.1.1.1 A Ga Se ................................................................................... 172
7.1.1.2 Redc Se ................................................................................... 173
7.1.1.3 Cdee De ................................................................................... 175
7.1.2 Sae Peaa .......................................................... .............................. 176
7.1.2.1 Reaca .................................................................................................... 176
7.1.2.2 Sae Peaa Pcede ....................................................... 176
7.1.2.3
Teeae Pfe Meaee ................................................. 179
7.1.3 Ma Eeea Pa ................................................... .................... 179
7.1.4 Maea Caacea ....................................................... ................... 181
7.1.4.1 Sca Eec Mcce (SEM) ............................................. 181
7.1.4.2 Ee Dee Secc (EDS) ......................................... 183
7.1.4.3 XRa Dffac (XRD) ....................................................................... 184
7.1.4.4 Idce Ce Paa Ac E Secc
(ICPAES) 186
7.1.4.5 E Aa ......... .............................................................. ................... 186
7.2 Eeea Re................ ........................................................... ................... 187
7.2.1 Reaca Caacea ................................ ......................................... 187
7.2.2 PReac Caacea ................................................................. 192
7.2.3 Cdeae Caacea ........................................................... ......... 193
7.2.4 Sa f Re .......................................................... .............................. 200
8
Aa f Hee Ncea f Va f ScecPce ............................................................................................................ ............................... 203
8.1 Mde Fa .......................................................... ........................................ 205
8.1.1 Pee Daa ................ ............................................................. ................... 206
8.1.2 Seaa ................................... ........................................................... . 208
8.2 Re ......................................................................... ................................................. 211
8.2.1 Cdea f Mae .............................................................. ......... 211
8.2.2 Cdea f Sc Mde ............................ ............................... 215
8.2.3 Cdea f Cac ........................................................... ................... 217
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8.2.4 Cdea f I......................................................................................219
8.3 Dc ...................................................................................................................220
8.4 Cc .................................................... ............................................................ ...223
9 Dc ...........................................................................................................................225
10 Cc ad Receda .....................................................................233
Refeece ....................................................................................................................................237
Aede
Aed A: Sece ad Pae e Scec Se................................... A1
A.1 Caced De........................................................................................................... A1
A.2 Fec....................................................................................................................... A2
A.3 F........................................................................................................................................A3
A.4 Dcac Scae.......................................................................................................... ..A3
Aed B: FacSae Pa............................................................................................... B1
B.1 Dec f Pa................................................................................................ B1
B.2 Ced S Mde...................................................................................... B4
B.3 Eae f Caa Tedac.................................................. B7
B.3.1 Pde Pce Eb a 1100 °C ad 7 Pa.................................. B7
B.3.2 Cdea f Mae Va a 1050 °C...................................... B7
Aed C: Teeae Pfe Meaee............................................................. C1
C.1 Teeae Pfe ad Cdee.......................................... C1
C.2 Teeae Pfe Dffee A Ga F...................................... C2
C.3 Teeae Pfe a 1140 1145 °C ................................................................ C2
C.4 Teeae Pfe a Dffee Se P Teeae.............................. C3
C.5 Iea P de Ha Tbe Face......................................C3
Aed D: E Aa...................................................................................................... D1
D.1 E Eeea Pcede....................................................................... D1
D.1.1 We E....................................................................................................... D1
D.1.2 Teeae Meaee E.................................................................. D1
D.1.3 E Sae P de Face.................................................... D2
D.1.4 F Rae E.................................................................................................... D2
D.2 E Aaca Tece................................................................................. .D2
D.2.1 E EDS Aa............................................................................................D2
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D.2.1 E XRD Aa...........................................................................................D2
Aed E: Sae Caca.......................................................................................... E1
E.1 Kec Aa................................................................................................................ .E1
E.1.1 Deea f Ma Tafe Ceffce.............................................. .E1
E.2 Eeea Sd......................................................................................................... E2
E.2.1 Caca f Reed A f Reaca............................................. E2
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F
Fe 2.1 Te Pde Pce F Daa15 ............................................................... 7
Fe 2.2 Sceac f Ha Re ad Cdee18 .................................... .... 8
Fe 2. 3 Sc Ace () f e FeS Se: a. a 1200 °C,
Refeece Sae Sd Sc23, b. a 1500 °C, Refeece Sae Me
Sc24, ad c. a 1600 °C, Refeece Sae Me Sc25 ....................... ..... 9
Fe 2. 4 Gbb Ee f Reac26 Cacaed FacSae 6.2 ................... 11
Fe 2. 5 Kec f Scec Reac a Vac Cd f 0.5 H
(Afe T ad Pde16, 35) ............................................................................................. 13
Fe 2.6 Mae Rece f e Pde Pce. De e A:
e, ad ad accae; De B: b, fabe ad,
ccae ........................................................................................................................... 15
Fe 2.7 Ae P f e Jade Ca (Wc 36) .............. 16
Fe 2.8 Effec f Pee Ce f Mae (afe Pde12 ad
T ad Pde35) ............................................................................................................... 17
Fe 2.9 Effec f Fec Gade Mae Ce ........................ 18
Fe 2.10 Effec f Sc (75%FeS) Sce Mae Ce
............................................................................................................................................................ 19
Fe 2. 11 Effec f Te ad Teeae Ce f Mae
A Aee a 2.5×104 3/ (Afe M 34) ..................................... 21
Fe 2.12 Effec f Hde F Rae Mae Ce.
Teeae: 1150 °C; ee ad: 9 ; Cac ee: 68 MPa.
(afe Baa ad Wc37) ................................................... ........................................... 22
Fe 2.13 Te eece f CaS2 MOCaOS e. C: CaS2, γ : γ Ca2SO4
(afe Wc ad Pde28) ......................................................... ................................. 24
Fe 2.14 Pedced Ce Pfe f Tca Eeea Cd.
Rad: 1.0 c, Teeae: 1177 °C, = 418 J/K36 ............................................ 25
Fe 2.15 Effec f Pee Rad e Ce Pfe ad Teeae
Db e Bee, Pedced b e Mde. Teeae: 1177
°C, = 418 J/K, Te: 60 36 ....................................................... ................................. 26
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Fe 2.16 Cacaed Mae Pee e Bee Sface ad B
Ga37 .................................................. ............................................................ .................................... 27
Fe 2. 17 Ba Reac48 ........................................................... .................................... 28
Fe 2.18 Te Sceac f Maee Pce53 .................................................. 29
Fe 2.19 Te Pae Daa f CaOMOSO2A2O3 Se a 10%
A2O3(Teeae K)61. Te Ge Aea e Maee Oea
Cd......................................................................................................................................... 31
Fe 2.20 Pae Daa f CaOMOA2O3SO2 Se a 10 %
A2O3(Teeae K)61. Te bac aea e Me Oea Cd . 35
Fe 2.21 La f e MTMP P Pa 70 ............................................................ ...... 37
Fe 3.1 Dffee Mde f Dff133 ................................................................... ..... 59
Fe 3.2 Reeea f a Reac Pace e Dff Ga
F e C Reace136. ................................................................... ............... 60
Fe 3.3 Dff f Sece A f a Sd Sface a M Ga
Sea134 ................................................... ............................................................ .......................... 69
Fe 3.4 Bac Se f Ca G f Cdea f Va. A.
Geea. B. B Ta. C. Bda Lae Ta. D.
Ad/De. E. Ma. F. Ncea165 ................................................ 71
Fe 3.5 Te Sceac f Gae Re (Afe T ad Pde)38 ........ 79
Fe 3.6 Eeea Cfa Ha Tbe Face (Afe
He 29) .................................................. ............................................................ ................ 80
Fe 3.7 Effec f Hde F Rae e Aae Reac Pee a
1159 °C (afe Pde ad K27) ............................................................ .......................... 80
Fe 3.8 Te Sceac f Va Pee Meaee (afe Pde ad
K27) ......................................................... ............................................................ ......................... 82
Fe 3.9 Mae Redc Aaa (afe M 40) ........................... 83
Fe 3.10 Sceac f Eeea Sd (afe Ma 32) ......................... 83
Fe 3.11 Sceac f Eeea Sd f M Va Cdea183 ... 84
Fe 5.1 Tedac Mde Med .................................................... 91
Fe 5.2 Sceac f Eb Caca ..................................................... ..... 96
Fe 5.3 Eb Caca f e Pde Pce a 1100 °C ad 7 Pa 97
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Fe 5.4 Eb caca f e Maee Pce a 1550 °C ad
5 Pa. ............................................ ......................................................... ......................................... 101
Fe 5.5 Eb Caca f e Me Pce a 1750 °C ad 85
Pa. ......................................................................................................... ......................................... 103
Fe 5.6 Sceac f Mae Eb de ...................................... 105
Fe 5.7 Pedced Ie Db f Mae Eb
Caca Va Pedced f e Pde Pce ............................ 105
Fe 5.8 Pedced Ie Db f Mae Eb
Caca Va Pedced f e Maee Pce .................. 106
Fe 5.9 I db f e Me Pce ............................................. 108
Fe 5. 10 Pae Daa f M Rc Re MCa Se211 ..................... 112
Fe 5. 11 Ac f M ad Ca106 a 550 °C .............................................................. 113
Fe 5.12 (a) Pae Daa f MS e, (b) Pae Daa f Mc
Re MS Se217 ..................... ........................................................... .................... 114
Fe 5. 13 Ac f M ad S217 a 550 °C ............................................................. . 115
Fe 5. 14 Pae Daa f MS Se (afe Gbe 220) ....... ........... 115
Fe 5.15 Pae Daa f FeS (afe Lacae ad Sda221) ......... ........... 116
Fe 5.16 Sceac f Mde Reeea ........................................................ 121
Fe 5.17 Sceac f Tedac Mde f e Pde Pce.. 121
Fe 5.18 Effec f Teeae Mae Rece a e Pde
Pce ............................................................................................................ ............................... 124
Fe 5.19 Effec f Pee Mae Rece a e Pde ce
...................................................... ........................................................... ......................................... 125
Fe 5.20 Effec f Pee ad Teeae Mae Rece
Pedced b Tedac Mde ...................................................... ................... 125
Fe 5.21 Te Pedced Fac f Mae Va e Pde
Pce Se a Va Teeae ad Pee ........................................... 126
Fe 5.22 Mae Ie b Se Sae Eb ........................... 127
Fe 5.23 Ca beee (a) Idea S Mde ad (b) Rad
M S Mde f e Mde f e Pde Pce Ie a
1160 °C Teeae. ................... .............................................................. ............................ 130
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Fe 5.24 Ma Fac f Mae Ie Db f 1360 °C
Reac Teeae Rad M Mde f e Meac Pae .....134
Fe 6.1 Sceac f e Eeea Sd f e Pde Pce............143
Fe 6.2 Reeeae f (a) Dff C ad (b) Pae Bda
Reac C ........................................................................................................................146
Fe 6.3 Rea beee K ad (afe Se ad Ec7) ...............149
Fe 6.4 Ca beee Eeea Daa34 ad Kec Mde a (a)
1150 °C ad (b) 1300 °C .........................................................................................................152
Fe 6.5 Dff C Mde M 34 Eeea Daa .........153
Fe 6.6 Ca f Mae Rece beee Dffee Dff
Mde a Dffee Reac Teeae aa Redced Te .......................155
Fe 6.7 Ae P f Naa La Naa f e Rae Ca ad
Recca Teeae ( K) ............................................................................................156
Fe 6.8 Sceac f Tafe f Mae Va ...........................................157
Fe 6.9 Sceac f (a) Pe Dff ad (b) GaF Ma Tafe
C ...........................................................................................................................................157
Fe 6.10 Cacaed Pee f Mae Va e Sface f
Bee ad B Pae a F Rae a 1300 °C.......................................................163
Fe 6.11 Cacaed Paa Pee f Mae Va e Sface f
Bee ad B Pae a dffee Redc Te ..............................................165
Fe 6.12 (a) Sceac f Jade Mde154 ad GBe
Mde156; (b) Sceac f Bee .................................................................................166
Fe 6.13 Eaa f Dff Mde a Teeae (a) 1150 °C ad
(b) 1300 °C ...................................................................................................................................166
Fe 6.14 Eaa f Va Pee f Mae a Ia Te (a
1150 ad 1300 °C) ....................................................................................................................167
Fe 7.1 Sceac f Eeea R .......................................................................172
Fe 7.2 Sceac f Sae befe ad D Reac ..................................174
Fe 7.3 Te efed ad ed f e eac be .......................................174
Fe 7.4 Sceac f Waeced Cdee ........................................................175
Fe 7.5 Pa f Ce Cdee .................................................................176
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Fe 7.6 Sae Peaa Tece ...................................................................... 177
Fe 7.7 Sae Aaee ............................................................. ............................. 178
Fe 7.8 SEM/EDS Ee ............................................................. ............................. 182
Fe 7.9 Be AXS XRa Dffac...................................................... ................... 185
Fe 7.10 SEM f MO (Sa: Secda Eec, EHT: 3.00 V, W
Dace: 6 ) .................................................................................................... ..................... 187
Fe 7.11 SEM f CaO (Sa: Secda Eec, EHT: 8.0 V,
dace: 4 ) .................................................... ............................................................ .......... 187
Fe 7.12 SEM f FeS (Sa: Secda Eec, EHT: 3.0 V,
dace: 6 ) .................................................... ............................................................ .......... 188
Fe 7.13 XRD Pae f Peeaed Pee Ie Aee .......................... 188
Fe 7. 14 EDS Aa f Sface f Reaca ...................................................... .. 189
Fe 7. 15 SEM f Pee a 94.5 MPa Cac Pee ................................. 190
Fe 7. 16 SEM f Pee a 54.5 MPa Cac Pee ................................. 190
Fe 7. 17 SEM f ee a 13.3 MPa Cac Pee (5000×) ............... 191
Fe 7. 18 XRD Pae f Reaced Sae ........................................................ ........ 192
Fe 7.19 XRD Pae f Reaced Sae a Dffee Te ............................. 193
Fe 7.20 Mae Cdeae a (a) Cdee, (b) We Aaced
Sae Ba, ............................................................................................................ .................... 193
Fe 7. 21 Pa f Qa Tbe Cdee afe Redc Eee
...................................................... ........................................................... ......................................... 194
Fe 7. 22 Ide Wa f Qa Tbe Cdee Ca Cdeae .. 194
Fe 7.23 XRD f Mae Cdeae R II (2 ) ................................... 195
Fe 7.24 XRD f Mae Cdeae R III (3 ). Red e: MO;
Be Le: Ca2SO4 .................................................................................................... .................. 195
Fe 7.25 XRD f Mae Cdeae R IV (4 ): a 05 c (ed:
MO, be: M3CaO.(SO3)4, ee: CaMS2O6) ................................. ............................. 196
Fe 7.26 XRD f Mae Cdeae R IV (4 ): a 612 c (be:
MO, ee: ae cac cae) .............................................................. 196
Fe 7.27 SEM f Mae Cdeae f Wa (1500× Mafca)
...................................................... ........................................................... ......................................... 197
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Fe 7.28 SEM f Dffee M f Mae Cdeae Ceced
f Ce Cdee. (ef: SE ae, : QBSD ae) (1,500×
afca) .................................................... ............................................................ .............197
Fe 7.29 SEM f S Cdeae Ceced f Ide Me Tbe (ef:
SE ae, : QBSD ae) (1,500 × afca) ..............................................197
Fe 7.30 SEM f Dee Cdeae Ceced f Ce Cdee ef:
SE ae, : QBSD ae) (1,500 × afca) ..............................................198
Fe 7.31 Eeea Ma f Mae Cdeae R IV (4 ) ....199
Fe 7.32 Eeea Ma f Mae Cdeae R IV ......................200
Fe 8.1 Sceac f Daa f Eeea Aaa Pdce
Cdeae f Scec Redc f CaOMO .............................................203
Fe 8.2 Teeae Pfe f Se beee 30 ad 58 c a
Reac Teeae f 1140 °C a Ceee ...........................................................204
Fe 8.3 Sceac f Tece Meaee ...............................................210
Fe 8.4 (a) Seaa f M Va Ve Teeae, (b) P f (
S)2/3 T f M Hee Ncea ....................................................................212
Fe 8.5 P f Ncea Rae (/3.) ad Rad f Ce (× 109 ) f M
Hee Ncea ......................................................................................................213
Fe 8.6 Teeae Pfe, Ncea Rae f M, ad Cca Rad f
Nce a e P ........................................................... ..........................................214
Fe 8.7 P f ( S)2/3 f SO Teeae ....................................................215
Fe 8.8 Teeae Pfe, Ncea Rae f SO, ad Cca Rad f
Nce a e P ........................................................... ..........................................216
Fe 8.9 P f S 2/3 f Ca Va 1000/T ....................................................218
Fe 8.10 Teeae Pfe, Ncea Rae f Ca, ad Cca Rad f
Nce a e P ........................................................... ..........................................218
Fe 8.11 P f S 2/3 f Fe Va Teeae.......................................219
Fe 8.12 Teeae Pfe, Ncea Rae f Fe, ad Cca Rad f
Nce a e P ........................................................... ..........................................220
Fe 8.13 Va Pee f Mea198........................................................................222
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Fe A.1 Te CaOMO Pae Daa afe Da 253. Te daed e
e aee e f He ad Wa 254 ...........A1
Fe A.2 FeS Pae Daa (afe Maa ad Oa258)..............A3
Fe A.3 CaOSO2 Pae Daa14..............A4
Fe A.4 Pae Daa f Ca2SO4M2SO4 Se119.............................A5
Fe B.1 FacSae Pa Ve 6.1 ...........B1
Fe B.2 Reaca Me B2
Fe B.3 L f Tedac Daabae . B3
Fe B.4 Eb Me Wd . B4
Fe B.5 Ba Ece Paaee e FCC S Mde B5
Fe B.6 Ba Ece Paaee e HCP S Mde B6
Fe B.7 Ba Ece Paaee e BCC S Mde B6
Fe B.8 I Sece f e Pde Pce Reac . B7
Fe B.9 Dea f Sece Cdeed e Eb caca B7
Fe B.10 S Mde ad Eb Cd B8
Fe B.11 I Sece f e Va Cdea . B10
Fe B.12 S Sece ad Fa Cd f e Va Cdea
...B10
Fe C. 1 Teeae Pfe Meaee a Se P f 1190 C, A a
F Rae f 0.3 L/, ad C Wae Rae f 3 L/ C1
Fe C. 2 Teeae Pfe a Dffee Cdee P .C1
Fe C. 3 Teeae Pfe Meaee a Se P f 1140 C, A a
F Rae f 0.3 L/, ad C Wae Rae f 3 L/ C2
Fe C. 4 Teeae Pfe Meaee a Se P f 1145 C de A
Ga F Rae f 0.3 L/. Te P f Waeced Cdee 30 c
f e ed f be. .C2
Fe C. 5 Teeae Pfe Meaee a SeP Teeae f
1130 C, 1145 C ad 1160 C. Sae de e Tbe Face a 25 c
P. .C3
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Fe C. 6 Te Iea P de Tbe Face a Se P
Teeae f 1130 C, 1145 C ad 1160 C ..C3
Fe C. 7 Teeae Caba beee Se P ad Aca Teeae
..C4
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Tabe 1.1 Oea Cd ad Ie Mae Eaced f e
Scec Pcee ............................................................................................................... 2
Tabe 2.1 Ca f Se Redc f Mae Ode 11 ........................... 6
Tabe 2.2 De ad Caced De C, a % ............................... 7
Tabe 2.3 Sae f Bee Pee ad Eeea Cd Ued
b Pe Iea ...................................................... ................................................... 14
Tabe 2.4 Ie e Mae Pdced f e Maee Pce
Befe ad Afe Ref ( MC2 ad KC f) ce, %59 ............ 32
Tabe 2.5 C f Mae Pce HeeIae Pce64 ......... 34
Tabe 2.6 C f Caced De (Ca.d) ad Redc Ae
(%)67 .......................................................... ........................................................... ....................... 34
Tabe 2. 7 C f Cdeed Mae (%)66 ....................................... 38
Tabe 2.8 Sa C Me Pce (%)66 ............................................... 38
Tabe 2.9 Ceca Aae f Va Fe, Ma e Ce 8 ............................... 39
Tabe 2. 10 Ceca Aae f Cde ad Cea Mae, %8 .................. 40
Tabe 2.11 Pca Pee f Mae48 ........................................................... ... 42
Tabe 2. 12 Pe Mae Secfca ad Mea I Ce 9 ......... 42
Tabe 2. 13 C f Mae A ................................................................ 43
Tabe 5.1 Oea Cd f Scec Pcee ......................................... 92
Tabe 5.2 FacSae204
B Cd Daabae Ued T Sd ............... 93
Tabe 5.3 FacSae204 B S Daabae Ued T Sd ..................... 94
Tabe 5.4 Pbe Sece f Te Pde Pce Se Ga ad
Cdeed Pae ......................................................... ............................................................ .. 96
Tabe 5.5 Pbe Sece f Te Maee ad Me ce Se 100
Tabe 5.6 Pedced Va C f Scec Pce f
Tedac Mde ........ ............................................................... ............................ 104
Tabe 5.7 Ca f Eee C Cacaed f e Pee
Sd, Pe Mde W 73 ad Aca Ceca Aa8, 35, 59 .............. 109
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Tabe 5.8 Ieac Paaee f Sd S Mde ....................................118
Tabe 5.9 Daabae f Meac Se FTe daabae225 ..................................119
Tabe 5.10 Daabae f Se Mea Se SGTE a 2007 daabae .......120
Tabe 5.11 I Daa e Pde Pce Se35 ............................................122
Tabe 5.12 Dea f C ad Pae Pee edced f Mde II
Se ae Cdea (e 100 M) ad M S
Mde f e Meac Pae ...............................................................................................128
Tabe 5.13 Dea f Pae Pee edced f Mde II Se ae
Cdea (e 100 M) Idea S f e Meac Pae ..128
Tabe 5.14 Te Pedced Va Pae e Pde Pce ............................129
Tabe 5.15 Ma f e Va Pae ad Cdeed Pae f Mae
Cdea Mde a Dffee Teeae ( a e 100 e M)
Cacaed Idea S f e Meac Pae .............................................131
Tabe 5.16 Ma f e Va Pae ad Cdeed Pae f Mae
Cdea Mde a Dffee Teeae ( a e 100 e M)
Cacaed Rad M S de f e Meac Pae ..........132
Tabe 5.17 Ma f e Va Pae ad Cdeed Pae f Mae
Cdea Mde a Dffee Teeae ( a e 100 e M)
Cacaed Rad M S de f e Meac Pae ..........136
Tabe 5.18 Ca f Mae ad Ie Ccea Cacaed
f Pee Sd ad f Ceca Aae a Reac Teeae f
1160 °C ( %) ......................................................................................................................139
Tabe 6.1 Paaee f Eeea W (afe M 34) ...........................145
Tabe 6.2 Mde f Med Pde Reac133 ........................................................147
Tabe 6.3 Paaee f Ncea Mde ...............................................................152
Tabe 6.4 2 f Kec Mde ..............................................................................................152
Tabe 6.5 Cea Ceffce, 2, f Dff Mde .........................................154
Tabe 6.6 Mae Ce a 1300 °C ad 1 H34 ......................................158
Tabe 6.7 Mae Ce a 0.25 L/ A Ga F Rae34 ............158
Tabe 6.8 Ma Tafe Ceffce, , f MA Se a 1300 °C ....................162
Tabe 6.9 Mae Va Pee a 1300 °C a Sface ad B Ga .....162
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Tabe 6.10 Mae Va Pee a 1150 °C a Sface ad B Ga
(A Ga F Rae: 0.25×103 3/) ...................................................................... 163
Tabe 6.11 Mae Va Pee a 1300 °C a Sface ad B Ga
(A Ga F Rae: 0.25×103 3/) ...................................................................... 164
Tabe 7.1 P ad C f Ra Maea ................................................... 176
Tabe 7. 2 Scec Eee Vac Cd .................................. 191
Tabe 7.3 Seaae Aa f Cdeae EDS aa.......... 198
Tabe 8.1 Pee Daa f Sece183, 243, 245, 246 ..... ................................................... 207
Tabe 8.2 Sface ee f Cde Sece .......................................................... 207
Tabe 8.3 Eb Va Pee Ca (a e Ea 8.7) .......... 209
Tabe 8.4 Ma Paa Fac f Va Pedced f Tedac
Mde a 1140 °C FACT53 daabae ............................................................... 211
Tabe 8.5 Sa f * .............................................. ........................................................ .. 221
Tabe 8.6 Sa f Cdea f Va .......................................................... .. 221
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T Pae Iea Lef Ba
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Ia ccea f eacaC Ccea f eaca
C Hea caac
D Dff ( Dff ceffce)
Sefdff ceffce Iedff f ece A ad B
Kde Dff
δ Ieac ac
E A Aca ee
G Gbb ee f e
∆ Gbb ee f eac Sadad Gbb ee f e ce Gbb ee f
Paa Gbb ee ceca ea f ce
φ Gbb ee f dea φ Ece Gbb ee
γ Ac ceffce f ece
γ Hea ac ceffce f ece ∆ Ea f eac∆ e e cae f e ce
σ AB C daee f ece A ad Bε LeadJe ea f ece A ad BΩAB C ea f AB e a dee eeae AB
Ω Ece face e e ece ( ee cea
e)
Ma afe f
J Ncea ae
Rae ca Ma afe ceffce
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B / Ba ca (1.380648×1023 J/K)
Eb ca
φ
Ba eac aaee f ece ad
L Tce f dc ae; caacec e
M Meca a
N A Ma afe ae e d face aea
Ac f ece
P Paa ee f ece
: 3.14159 Ga ca (8.314 J/.K)
Rad
Re Red be ; = L/
ρ De f ece
Seaa/ec Scd Nbe ; = /D
S Sed be; = L/D
σ Sface e
Teeae
Te
Vec
Keac c
% We ece
Ce
C f ece
Faca e c f
Cec e VaeCae de
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1
1
Mae a ea a a a de f 1783 /3, c d
f a ad e f ee. I a a a be f e deabe
ee cd d dc, ecee caab ad ecfc
e1. Te ee a f ae, 158 N/, 17%
e a e ee a f a. Tee aace
ee ae eed a ead ceae e c f ae
e ece ea a ae f 7% e a2. I ed a a a
eee a a, de ca, f ee dea, ad a a
da ceca3. Te a d e ae ceae
e e, dc ad c eace f a a.
Mae e b a ad ee dc
dead ee e ea cde.
Mae dced ceca a eea e: eecc ad
eaec e. Te eecc ce e ae baed e
eec f e ae cde. A be f ce e ae
eeded f ae cde e eecc ea. Hece,
ee e ae ce ad caa ee. Meaec e e a
ea a e edc ae eac ae f caced de a
ea edc ce. I e cec e, c a e Pde
ce, fec edce caced de a a e. Te
dced ae a cdee a a dee ea.
We e Pde Pce ad ee ee, ce a
bece e da ce f dc ae e d,
Ca e 70% f a ae4. T ce e ca ec f
Ca, ee e ab c ae cea ad a aea ae aaabe. Te
dead f ae a aed eeac e ed f
dc ae. Te Maee ce ad bee eaed e a
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2
a e eeae a e Pde ce de ceae
dc. Te Me ce ae cec ce a a
eae a e eeae ad dc. Te deee f
ce dea.
Tabe 1.1 Oea Cd ad Ie Mae Eaced f e
Scec Pcee
C5, 6 7 8
Pee 1367 Pa 0.05 0.1 a 1 a
Teeae (°C) 1100 1200 1550 1600 1700 1750
Pdc ee e da
50 20 e 100 e
(%) 9 7
8
C C
A 0.004 0.01 0.066 0.04
S 0.01 0.05 0.281 0.095
Ca 0.005 N.A. 0.385 0.023
Fe 0.007 0.005 0.25 0.047
M 0.01 0.05 N.A. N.A.
Te dc f e ce a cea e e fd
e ae. Tabe 1.1 e ca e f ae eed
f a cec cee. Te Pde ce ca dce
50 f ae e e e da, e e Maee ce ad e
Me ce dce aae 20 ad 100 e e e e da,
eece. We a e eeae ce ffe e dc, e
ceae ea eeae e e e. Te Pde
ce, c eae beee a eeae f 1100 ad 1200 °C, dce
e e f ae (>99.96 %). Cee, e Me ce
c eae a a eeae beee 1700 ad 1750 °C dce a
f ae (e a 99 % f e cde ae). Te
eed f 9980 Aade ceca ae a f 99.80 %
M, e e c a Ca, A, S, ad Fe ae be 0.05 % eac10.
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3
A e cec eac e a be f eaca dffee ae,
e ca ce acaed ce ce. Te fdaea
edac f e Pde ce a bee eabed6 ad e ae
e ec f e ce ae aaabe. Hee, e a be f
aaee affec e ce ae bee eaed, ee eea
cc e ec f e ce. Te ede e bea f
e ae dced b cec ce a e
ed. I e ce acce, e e ae ea dced
f e cec cee ae eed a eaae ef ea.
T d cceed e fdaea ca ce acaed
e cec cee, cd e bea f e e
ce. T aceed b edac ad ec de, a e
a eeae eee adae e edc. Accd,
d adde e f e:
Wa e effec f aaee c a eeae ad ee e
ce f ae ad e e cded e ae
a?
Wa e c fac e ec f cec ce?,
ad
Wa e db f e e cec cee?
I e f cae, e eae e fdaea f cec
cee ad e edac ad ec f eeae cee
ae eaed. I Cae 2, dffee e f cec cee, c a e
Pde ce, e Maee ce, e Me ce, ad e Ba
ce ae eed, cd e aaabe eae e bac
edac ad ec. I Cae 3, ee caa
edac ad ec de ae decbed.
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4
Baed e eae ee, e eeac e ae defed Cae 4.
Te edac de e ae decbed Cae 5, e e
ec de e ae decbed Cae 6. Te e f eee
ae decbed Cae 7. Cae 8 de aa baed e Caca
Ncea e e cdea bea. Te eea dc
ded Cae 9, e Cae 10 de cc ad
eceda f fe de.
Te f ae ae eed f d:
1. W. Wada, M. A. Rada, G. A. B, ad B. J. Maa:
'Db f Ie Mae Pdc a Scec
Redc', Pceed f e Iaa H Teeae Pce
S, Ha, Vca, Aaa, 09 Feba 2009.
2. W. Wada, M. A. Rada, G. A. B, ad B. J. Maa:
'Db f Ie Mae Pdc a Scec
Redc', Pceed f Eea Meaca Cfeece 2009,
Ibc, Aa, 28 Je 1 J 2009, 2009, GDMB, . 14011417
(efeeed).
3. W. Wada, G. B, M. A. Rada, ad B. J. Maa:
'Tedac Mde f H Teeae Se', Pceed f
e Ceeca 2009 Aa Cfeece, Pe, Wee Aaa, 2730
Seebe 2009, Eee Aaa (efeeed).
4. W. Wada, G. B, M. A. Rada, ad B. J. Maa: 'Mae:
Ce ad Fe Pdc Re', Pceed f 'Eee a e
ede', e 2010 Ceeca Aa Cfeece (Ceeca 2010), Adeade,
S Aaa, Aaa, 2629 Seebe 2010, Eee Aaa
(efeeed).
5. W. Wada, M. A. Rada, G. A. B, ad B. J. Maa: Kec
f Scec Redc f Caced De F A
Aee, Pceed f e 2d Aa H Teeae Pce
S, Ha, Vca, Aaa, 0809 Feba 2010 / GeffeB, M. Aba Rada ad Xad X (ed.), . 7780.
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5
2 F
Scec ce efe a ed f eac ea b edc e
ea de c a a edc ae. T eac edec, a
ee eed ce ad bea d e bd beee ea ad
e e eac. I e cec ce f ae dc,
caced de (CaO.MO) ed fec befe be caed
e e f e edc ce. Te cec eac ca be
eeed a f:
(2. 1)
I cae, a ceee eae ee f e cec cee
eeed. Te a ec f cae ee e ca ce f
e Pde ce, c cde e edac ad ec f
ce. T fed b e dec f a cec cee,
c a e Ba, e Maee ad e Me cee. Te a ec
ee e eee f ae ea f ceca e.
2.1
Tea baed cee dce ae ea f de ae bee
ded b Pde11, 12. Baed Tabe 2.1, c e eac ea
ad e eeca a f eed edc ae f eac eac, c
fd be a ecee edc ae dce ae caed
cac cabde, a ad cab. 113 f fec (80%S)
eed dce a a f ae a 1200 °C caed 120 f CaC2
a 1700 °C13. Reac beee MO ad cab feabe a 1900 °C; ee,
e eac eebe ad f cab ad MO a eeae beee
400 ad 1700 °C. Tea edc f MO CaC2 a bee ad
be caed be eeae a c CaO edced b cab13.
A e effece caed c a e edc ae (55
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6
f a eed dce 1 f ae); ee, e c
f a ae abe f a ceca ce. I add, e
ee eed dce a d add a ee
c acaed ae ce14.
Tabe 2.1 Ca f Se Redc f Mae Ode 11
(°°°°C) E A
Cab 1900 MO() + C() = M() + CO() ∆H = 604.76 J/ M
CacCabde
1700MO() + CaC2() = M() +CaO() + 2C()
∆H = 153.23 J/ M CaC2 = 120 / M (80% CaC2)
A 17003MO() +A() = A2O3() +3M()
∆H = 166.67 J/ M A = 55 / M (90% A)
Sc
12002MO() + S() = SO2() +2M()
∆H = 285.79 J/ M S = 57.5 / M (80% S)
12002CaO() +2MO() +S() =Ca2SO4() + 2M()
∆H = 229.21 J / M S = 113 / M (80% S)
Pde deeed a ce eac ae f caced de
fec (75%S) a e edc ae baed eac Ea
(2.1). Te ce f daa e Fe 2.115. Caced de
(CaO.MO) ed deed fec ad fa a a caa.
Tabe 2.2 a ca ceca c f caced de ed e
Pde ce. A ca caced de caed 38.8 % f MO, 57.5
% f CaO, ad a be f e.
P edc ce, e beed cae aced de a a
NC ee e, c Fe 2.2. Te e eaed a
eeae beee 1100 ad 1200 °C de a ac ee beee 10
76 Pa5. Mae a ee f e bee ad ecae
de a eabe cdee eee. Mae de eed afe e
f bac ce. Tca 20 f ae dced e bac
f 120 f a aea5.
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7
Fe 2.1 Te Pde Pce F Daa15
Tabe 2.2 De ad Caced De C, a %
D C D16
Cd De fHae,Oa17
TeecaCaM(CO3)2
Cd C
MO 21.12 21.86 CaO 57.5
CaO 31.27 30.41 MO 38.8 CO2 47.22 47.73 L.O.I 1.38 SO2 0.12 Ibe 0.48 FeO 0.22 R2O3 0.4 H2O 0.02 M 1.44
C
R e
S
Sae
Ja ce
Ba
Sae
RAW DOLOMITE
Me
Be e
Re
FERROSILICON 75%
CALCINATED DOLOMITE
(a cac )
Mae c e
Rede ae
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8
Fe 2.2 Sceac f Ha Re ad Cdee18
T ce a eea adaae. De, a ad e a e a
aea f ce ae ead aaabe. T ce a eae
ea eae (.e. de ee a aed fce
caed eee), eae (.e. ea ad dc ee
dead) ad ee a a a f caa c caed
eecc cee. F eae, e caa c f e Pde ce a
$3,000/e M e e caa c f Aaa Mae (AM) ce
a eecc e a eaed be $10,000/e M19. I add,
ae a dced b ce a eae . A e
ea eeae, e ce e eaca ae eaced
e b . Te b f cac, c, ad a
eece ae 1482, 2355, 2862 ad 2520 °C20.
Hee, e Pde ce a a e c. Sce ed a
eae a e eeae f eaca cee, e dc f
Pde ce eae . Pdc f ce ab 50 e
e e da, c e a e dc f e Maee ce
(20 e e face e da) ad e Me Pce (100 e e
face e da), a ee Tabe 1.1. Te bac ce ad e e f a
eae a e a e ce ab ee. Te ee
c a , c ab 280 MJ/ M 21. Te ba
a ac f ae dced b e Cee Pde ce
aae 43.30 CO2 e/ M , c 60% e caed e
ba a ac f a22 ad 17 19 e e caed
e ba a ac f ee dc14.
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9
2.1.1
Te eb f eac Ea (2.1) ca be eeed a e f:
(2. 2)
ee K eb ca, P M e a ee f M, ad
ced ace f ece . A a CaO, MO ad Ca2SO4 ae
e cdeed ae, c ae a ac, e eb f
cec eac be a fc f a ee f ae ad
ac f c, a e Ea (2.3).
(2. 3)
Fe 2. 3 Sc Ace () f e FeS Se: a. a 1200 °C,Refeece Sae Sd Sc23, b. a 1500 °C, Refeece Sae Me
Sc24, ad c. a 1600 °C, Refeece Sae Me Sc25
Eaee ad Re 23 eaed e ace f d c f e FeS
a e cec eac e. T c ac a caed
e ac f e c e FeS e a 1500 °C2425 ad
decbed Fe 2.3. Tee ce a a ed a e ce f d
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10
a, ece f e ee ceae ac a e c f
eedae d ae. Te d e c ac a 70, 50 ad 30
ac % S ced e ζae (Fe2S5), e εae (FeS) ad e
aa f e αae (Fe2S)23.
Te eb ca ceae e Gbb ee a e ced
eeae ea:
∆ (2.4)
ee a ca, 8.314 J/.K, eeae ( K), ad K
eb ca.
Sce e eac Ea (2.1) a f e eac Ea (2.5)
(2.7) a e f:
(2. 5)
(2. 6) (2. 7),
e Gbb fee ee f eac Ea (2.1) ca be cacaed be:
(2. 8)
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11
Fe 2. 4 Gbb Ee f Reac26 Cacaed FacSae 6.2
Fe 2.4 e Gbb fee ee f eac f Ea (2.1), (2.5), (2.6)
ad (2.7) f eeae ae beee 1080 1260 °C. Te Gbb ee f
cec eac beee 72 90 J/ a eeae ae.
Pde ad K27 ae eaed e eb a ee f
ae e e CaOMOS e a eac f Ea (2.1)
aa/eae ed. A 1100 °C, e ee f ae a
fd be 1.3 Pa. T a bee cfed b eea fe 23, 28, 29,
cd a Kde ce ece28. T ae fca e
a e e 30 c eed a ae f 0.25 Pa e e MOS
e. Te eeca ae a ee acaed eac
Ea (2.1) baed Kbace ad Acc 31 ad bee fd e d
e a eaed ae27. Se ea16, 23 eced
dceac a baed e cea f edac daa a
fa f a ce cae cd. Hee, e ece
edac daa26 a e cacaed ae a ee
e cec e 1.4 Pa a a eeae f 1100 °C, c
caabe Pde ad K27.
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Mae a ea f cec e de e eac
beee caced de ad fec. Tee ae ed aaabe
ee ae a: ac ad a ea f e a abe
aee. Vac a bee ed eee b eeea ad
ceca cae5, 6, 18, 32, 33. Te ecd ed, a ea f e a34, 35,
e abe f c ea. Te a f e a e
ffe e b f cde e ae d, a eed a
ce a e cfa a ae cae ea.
Te e f ac a bee fd e effece ee ae f
e bee caed a ea e a16. A eeea
d e cec eac a aee34 fd a e ea
ed f ae e a e ac. T ed b e
deea f a e aae aca ee f cec
ac35 caed a ea f e a34. Te e f
ae ceced f e ed ae a dffee. Scec
ac dce a dee cdeae e cec ea a
dce a e deed cdeae16.
2.1.2
2.1.2.1
Scec eac e ee d (.e. CaO, MO ad S) dce a
a ad ae d (.e. Ca2SO4). Te ec f eac a bee
bec f ee a be f eeace12, 29, 3237. Te eeea
de f e cec eac ee caed eae.
Pde12 ded e cec eac a abe aee ad a
ac. A abe aee, e e a eaed de de a
aec ee. Te ccbe bea e e e eeae
eaced 1450 1570 °C. I e ac cd, e e a eacaed
13 Pa edc. Te eac ceeded ccef 78 %
ce afe a ea a 1155 °C12.
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13
Seea ea29, 32, 35 de adda dea e effec f
aaee c a eeae, ee, fec, ace e ad e
e ae f cec eac ac cd. T ad Pde 35,
38 ded cec eac b a eeae f 1050 1560 °C,
ad ee beee 0.13 Pa ad 35 Pa. Te e f ae ce
e e a dffee eac eeae ae Fe 2.5. Te
eed a e ae ece ceaed b a fac f 1.55 f a 50 °C
ceae eeae e e ae 1050 1560 °C.
Fe 2. 5 Kec f Scec Reac a Vac Cd f 0.5 H(Afe T ad Pde16, 35)
A a f e ce aaee ad bee ee ed b
e de e Tabe 2.3. Ma 32 ded e edc ae f
e Pde ce e ae f 1100 1200 °C, ad eed a e
e ae ece (92.07 %) a baed a a eeae f
1200 °C ad ee f 13 Pa. He 29 cdced a d a 1000 1180
°C, eed e ace f e caacec f dffee caced de,
ad eed a e ae f ae e f e bee a
a ced b bee eeab ad a b ceca eac.
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14
Tabe 2.3 Sae f Bee Pee ad Eeea Cd Ued b P
F /
B
D
Pde12 44853 µ: 28%
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15
Pde ad Aeade5 eed e deee f Pde Pce
a cae, e Pece 18 eed ceca cae e. Me
ece, Yce 33 ded e dc f ae ea f T
caced de ad fec b e ac cec ed. Te
eac a eaed e a eeae ae f 1100 1300 °C ad
ee f 100 Pa. Te fd a ae ece ceae FeS
add, CaF2 add ad edc e. A ece f 80 96.46 % e
e ae f cd ded a aceed33.
Fe 2.6 e ae ece f cec de ac
cd f a be f ea a dffee edc eeae.
Te ee f e e a beee 0.13 100 Pa, e e edc
e ae f e f a a eeea cae12, 29, 32, 33, 35 e
a a ceca cae18.
Fe 2.6 Mae Rece f e Pde Pce. De e A:e, ad ad accae; De B: b, fabe ad,ccae
Baed Fe 2.6, ee e aecabe ae ece a 1000 °C,
.e. 13 40 %12, 29, 32. A e ceca ea eeae f
cec ce, 1100 1200 °C, ae ece a fd bebeee 75 95 %12, 29, 32, 33, 35.
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Te ae f e cec eac a fd f f de ec 16.
Te eea ea eae :
(2. 9)
ee C a ccea f eaca, C fa ccea f eaca,
ad a ae ca. Baed e ec aa cdced b Wc
36, Jade de f dae dff a bee fd eee a
be f eeea daa e Pde ce eac. Te bee
ed f e eac a cdca. Te Jade de ca be e a
f:
(2. 10)
ee 2 a ad f ee, a ae ca, e , ad
ae ce, c baed f e f ee:
(2. 11)
Fe 2.7 Ae P f e Jade Ca (Wc 36)
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Te Ae f eeea daa baed Jade de decbed
Fe 2.7. Te aca ee a cacaed f e f Ae
ea:
(2. 12)ee A e eeea ca, E A e aca ee, e a
ca (8.314 J/.K), ad eeae Ke. Te aca ee
f cec eac a fd beee 226.35 ad 238.49 J/. Te
ae e a e eac ced b a d ae dff, a e
dd dff a aca ee ca beee 200 ad 400
J/39.
2.1.2.1.1 Effec f Teeae ad Pee
I a bee eabed a e ae f eac ceae a e cea
eeae a cea Fe 2.5 ad 2.6. F e eac c
e ac cd, ee f e e a a fca effec
e ec f e eac. Se ea12, 32, 35 fd a e ae
ece deceaed ea e e ee f e ceaed
10 Pa, e ed Fe 2.8.
Fe 2.8 Effec f Pee Ce f Mae (afe Pde12 ad
T ad Pde35)
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2.1.2.1.2 Effec f Sc Gade
Te effec f c ade5, 23, 32, 35 ae f 15.73 96.7 % S
Fe 2.9. Te e c effcec a dced b Pde ad
Aeade5 c efe e f a:
(2. 13)
Fe 2.9 Effec f Fec Gade Mae Ce
I eea, ae ce ceae e a f e ade
fec. Hee, ee a edc c effcec afe a f
75% S fec. A e ade fec bed 75% S de
e e c effcec. Teefe, aeed a 75% S ade
fec ffce, a e a be a ceffece f ceca
ea. T a bee ed b eae c ed a e
c ac f 75% S ade fec a 90 % S ade
fec23.
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19
2.1.2.1.3 Effec f Sc Sce
Te effec c ce e c effcec ad ae
ce Fe 2.10. Sc ce defed a e
a f c caced de. Te ae 1.0 e cec
a f fec eed f caced de, .e. e e f c
e f caced de. Ma 32 ed a e e ae
ce ceae 86 % a c ce e 2.4, e
c effcec deceaed 30 %. Te a f c a bee fd
be a f c ce ae beee 1.0 ad 1.1032.
Fe 2.10 Effec f Sc (75%FeS) Sce Mae Ce
2.1.2.1.4 Effec f Caa
Aa ad aae ea fde ae bee acceeae e dae
eac de e. T ad Pde35 eaed e effec f CaF2,
BaF2 ad MF2 e eac ae f cec eac b add 2.5 %
caa a e f caced de ad fec. I fd a CaF2
e effece caa, e 58 % ae ce be
aceed e f e e a 1300 °C edc, caed 52 ad
51 % f BaF2 ad MF2, eece35. T caac effec a bee
acced f e fa f a d ae c ceae a fae dff
eda f eaca35.
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2.1.2.1.5 Effec f Pace Se ad Db
Te aeae ace e ad ace e db f e eaca ca
dce ceabe effec e ec caacec f cec
eac. Ma 32 beed e ae ece ceaed f 12.42
52.02% e e ace e f fec deceaed f beee 0.211
ad 0.599 ad beee 0.125 ad 0.211 , b e effec ded a
e fec a d 0.089 . I eea, e ae f eac
ceaed a e ace e edced.
2.1.2.1.6 Effec f Be Pee
Te be ee a bee e f a aaee a affec ec
f eac ce affec e cac beee e eaca. Ma 32 fd
e ae ce e ced cea be ee
b ea aa bed 13.7 MPa. Bed 13.7 MPa, e e d
eaca ae bee cac eac, cac b ae
a a eac dc a f e bee e
bee face.
2.1.2.2
Tee ae bee fe de e cec eac de f e
a34, 37, 40, 41. M 34 ded e aaee affec e edc ce
a a eeae ae beee 1150 ad 1300 °C ea a a
f 80 2.5×104
3
/ a a e ade f NC ee. Tece defed a f:
(2. 14)
ee %M = a ccea f M, = a e f ae, %M =
fa ccea f M, = fa e f ae afe edc ce.
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21
Fe 2. 11 Effec f Te ad Teeae Ce f Mae A Aee a 2.5×104 3/ (Afe M 34)
Fe 2.11 e effec f e ad eeae ce f
ae a aee a 25×104 3/. A 1150 °C, e
ae ce eace 55 % afe fe edc e; e 90
% f ce ca be aceed f edc f fe a 1300 °C.
Baa ad Wc
37
ded cec edc de f deaee e eeae ae beee 1070 ad 1250 °C a
e eca ee. Te effec f de ae ae ce
Fe 2.12. Baa ad Wc37 ccded a e ea ae
ee e a ac de eae cd, ad ee ed b
cbed fac: c ceca ae, ea afe, e dff f
ae, a e a a afe ac e bda ae f e ee.
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22
Fe 2.12 Effec f Hde F Rae Mae Ce.Teeae: 1150 °C; ee ad: 9 ; Cac ee: 68 MPa.(afe Baa ad Wc37)
A Fe 2.11 ad 2.12, ee ae fca dffeece
ae ce beee cec edc de a34 ad
de aee37. Ude a aee, 14 % f ae
ce a aceed afe a edc, e de 1000 c3/
de f aee ad a e fae, e ae ce
eace 70 %. T dffeece a be e caed b e f ae f e
a ad e dff dffeece f ae e dffee
aee. Dff f ae de fae a a a.
Te dff f ae a 1×103 2/37, e e dff f
ae de c cacaed e CaaE e
5×104 2/.
2.1.3
Te ede f eac ec ad eac eca f e Pde
ce ac cd eea ded12, 35, e e ede
f eac eca f e Pde ce e f a ed.
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23
I e eac beee MO ad S, M2SO4 fed ead f SO230, 38. T
eac ca be eeeed b:
(2. 15)Te a ee f ae acaed eac (2.15) a 253 Pa
a 1200 °C30. We CaO added e e ( e f f caced
de), e d dc bece Ca2SO4. Ca2SO4 fa faed
ce a a e Gbb ee fa. Te Gbb ee fa f
Ca2SO4 ad M2SO4 ae −1513 ad −1666 J/, eece. Te add f
CaO a eea adaae. F e a f MO a
dce M. I a CaOMOS e, 1 e MO dce 1 e f M
ead f 1 e MO 0.5 Me M e MOS a eac f Ea
(2.15). Secd, ce e Gbb ee f eac e CaOMOS e
e a e MOS e (48 J/ f CaOMOS e ad 174
J/ f MOS e a 1100 °C), e a ee f ae
CaOMOS e fca e a e a ee e MO
S e.
Te eca f cec eac a bee aed b a be f
a. Pde ad K12, 27 aed a e ae f eac eca
cec caed a f d dff beee eaca. I
e eee, e a bee f caced de ad a bee f
c ee aced ce e e, ae aeaed e
cdee. T a ca ae e f c ad cacedde, c e beed e cee eaced a fe 27.
Wc ad Pde28 eaed e e f CaO e CaOMOS
e. I a bee a eac beee CaO ad S cc a 1000 °C30,
c eeeed b e f eac:
(2. 16)∆G1000 C = 41.05 J/e
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24
T, c a edc ae a ee d a ae a Ea
(2.17) ae a a a d ae:
(2. 17)Teefe, e a e ca CaO, MO ad S ece, e a
dffee ce eac c a eac Ea (2.17) ad (2.1)
ae ace.
T ee a e cfed e eece f CaS2 e a
e f MO, CaO ad S a eaed 1150 °C ad ae a
eed ee b ac eae a28. Fe 2.13 e
eece f CaS2 f XRD aa f e eaced bee28. T a
ca e ae a eed b eae ed, ee γ
Ca2SO4 a e da ae e bee a deeced b XRD.
Fe 2.13 Te eece f CaS2 MOCaOS e. C: CaS2, γ : γ Ca2SO4 (afe Wc ad Pde28)
Wc42 eed a e eac eca f e Pde ce a
aed b a a eac c cc beee CaO ad S. Te d a
ead e e face f e de ace db e c e a. Secd, a eac dce ae a
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25
cc beee e d a ad MO ad CaO. Te f Ca2SO4 ae
ace beee MO ad CaO. Mae a ee f e d ae ad
dffe e e f e bee e b a ae. Te fd
f Wc42 a ed b M 34 c a fd a dfed
d a de a a eaced bee.
I eea, e ea aeed a e eac eca f e Pde
ce eac ac cd ced b e d dff e
eaca. I add, ea afe a cbe a e fac f
e Pde ce eac. Wc 36 deed e cec
eac f a e bee b c ea afe ea ad eac
ae a decbed Fe 2.14. I a a ee ae ae ada
eeae ade e bee eac fee a ac face.
Fe 2.14 Pedced Ce Pfe f Tca Eeea Cd.
Rad: 1.0 c, Teeae: 1177 °C, = 418 J/K36
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Fe 2.15 Effec f Pee Rad e Ce Pfe ad Teeae
Db e Bee, Pedced b e Mde. Teeae: 1177°C, = 418 J/K, Te: 60 36
Fe 2.15 a a ee ae ada ce ad eeae
fe e bee a dffee ada . Sce ee a
ade e eeae ad ce fe, Wc 36
ccded a e cdc bee ad e c eac ae
ad e eac.
Te aaabe eae ab e eac eca fced a
cc de e bee. We e ae f eff f ae f e
face f bee fe aed be ad a ac cd36,
e cae e ea e a cd. Baa ad Wc37
aaed e e f af a afe f ae a f e
bee face e b a d cec edc f caced
de a ea de a, e f ea:
(2. 18)
ee a afe ceffce, c a edced f Ra ad
Maa cea43, P B ad P ae e a ee f a b ea
ad face, eece.
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27
Fe 2.16 Cacaed Mae Pee e Bee Sface ad B
Ga37
Fe 2.16 e cacaed ae a ee e face f
bee ad e b de a. Tee caca a ee
fca eace e af a afe f ae a,
eeca a e be f e eac.
2.2 B A be f dfca f e Pde ce cde a f eca
e 44 ad ea eaed e. Te ae caed e Ba
ce, c a e Pde ce e f fec
a eac ae f caced de. I e Ba ce,
c decbed ceaca Fe 2.17, e bee ae caed
a ea eaed ad bced cdca eac.
T ce a deeed Ba, Ia b I L
M (SAIM)45, 46 ad eaed b Baa (Ma, Ga, Ba). Bea
45 aeed e ce f eac ae b ce, e e
eac face a aeed b Rae 46. Te e ed
caced de ad fec bee (d) ae aded ad aced a
cae e (e) eecca ea cdc (f). Te ec
ced ad ac a a cdee f e ae a eeaed e
face47.
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28
Fe 2. 17 Ba Reac48
Te ce eae a a eeae f 1200 °C ad ee e a 400
Pa48. Mae a ee f e bee ad cdee a e e
a f a aeced cdee a a eeae beee 400 ad 500 °C.
Eac eac a a dc caac f e f ae e 2024
eac cce, a d e f 0.5 0.75 e cce. Afe
e ce d, e eac eed a e fae ad e ea
eed. I eed a ae 99.9 99.99% f ca be
baed48. Te cede f cae ad ad a ea dffc
ce. Hee, ee e fa ab e ca ce f
ce e eae.
Te ba a ea (GWP) f ce a cacaed be 13.80
CO2/ M , c aae ab a d f e Pde
ce GWP49. Te a ea f c de e e e fac a
e Ba ce e a eecceaed eac, ee e a 80% f
e a ed eecc ce f de e e Pde ce
ee a effce cafed eac49.
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29
2.3
2.3.1 D
Te deee f e Maee ce be Face 19487. Te
ceca dc a bee eabed f e 1960 199050. A
e ee e, e eaa a e Maee ce
e Bea Sea (Seba) ae a 51. T ce dffe f e
Pde ce a be f a52: 1) e edc ce caed
a e a ba, ad 2) aa/bae ed dce cacc
aae a, ad e ae a dced cdeed d
ae, befe fe ceed e ef ea. Te a
aea f e Maee ce ae caced de, fec ad
bae7. Te Maee ce, a ceaca aed Fe 2.18,
e a cec edc f MO f e caced de (CaO.MO)
a e a ba.
Fe 2.18 Te Sceac f Maee Pce53
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30
Te ea eac a be e a f:
(2. 19)
Te caced de, fec ad aa de e a ae
befe e cec eac cc. Te ce eaed a a
eeae f 1550 °C ad ee f 5 Pa a eecc ac face. Te a
c aaed a 55 % f CaO, 25 % f SO2, 14 % f A2O3
ad 6 % f MO. A ae daa f e CaOSO2A2O3MO e e
Fe 2.19. Te a c e e dcac cae aea ce
e ecae bde.
A fed cec edc e Maee ce ca be e
a f:
(2. 20)Te edac f ce a bee decbed b C54 ad
Cae 55. Te e feae f e Maee ce ce
dee a ca ac e e a ad aa e c f
e a e dcac cae ad ecae aebda e
aea CaOA2O3SO2MO e54. Te e ae de e
a f aaed; eefe, e ac f MO . A a aa
SEM, XRD ad DTATG51 ed a e MO ce e a e ae
f 7.02 8.82 % γ Ca2SO4 a e da ae.
Tee ae fe ec de e fdaea aec f edc f MO
e e a. M f e de e a dec7, 52, 5659 f e
ce ec f e Maee ce. C54 ed a e
eac beee MO e a ad FeS cc e e ae ae
cac: a e cac beee fecaed FeS ad e a; ad
beee e face f eda FeS ad e e a a e b f e
face. A eeea d e ec f MO edc b fe
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a a e MOA2O3CaO a60 a fd a e a
a e a/ea efaca aea ced e ea eac.
Fe 2.19 Te Pae Daa f CaOMOSO2A2O3 Se a 10%A2O3(Teeae K)61. Te Ge Aea e Maee OeaCd
Te ac cd e eac e e eaa be. Te
e f a d a a a eed cae e f 20% f e
dc de e fa f MO ad M3N2 e cdee55.
Mae a a caed b e cabec edc f MO e
eac ad eecde c f cab de, accd e
f eac:
(2. 21)Te dec f eac Ea (2.21) eee a a e eeae.
Hece, a e eeae f e cdee, e cab de a
ede e ae a ad f ae de.
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2.3.2
Mae a dced f e Maee ce eac
cdeed e efed ae ce. Tabe 2.4 e e
e ae befe ad afe ef ce a eed b Ba59.
Te e e ae ae f:
1. Pacae ae caed b ae a, e.. MO ad CaO;
2. Pca ad ceca eac beee ece de e eac; ad
3. Vaa f aed aea, c a M, Z, Pb, ad N.
Te dea f e ef ce ae a f59. A f ca 45% f
MC2 ad 55% f KC added ad ed e e ea. A e ed f
e ef ce, e f aed ee befe e ae
aed ad caed. Te ceca eac e ef ca be e a:
(2. 22)I add ee Ca, e f a cae de c ad f a
de f ea cde8. Te ef acce ca dce a ae
a adad c a eed b ASTM B92. Hee, e
ef ae ea a e dc c ad e ae ea ed.
Tee ab 58% ae e ef ae59.
Tabe 2.4 Ie e Mae Pdced f e Maee PceBefe ad Afe Ref ( MC2 ad KC f) ce, %59
B A
Cac 0.77 1.05 0.005Sc 0.11 0.16 0.063 0.11
A 0.037 0.088 < 0.05
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2.3.3
I e d f 1980, e a aea e Maee ce a dfed
b add a ad a add fec a eedc ae 62. T cce a e aec e, c
edce ae de a a a edc ae. T e a
f ded b Ge 63, c eaed e eb a
ee f ae e e MOA e b ea f aa a
e eeae ae beee 870 ad 1141°C. Te a ee f
ae e MOA e a fd be e a e MOS
e, c 19.73 Pa caed 2.49 Pa a a eeae f 1150 °C.Te deee f ce a bee ed b e e ce f
a caed ae. L ade ad ecced a ae
bee eed a be edc ae 62, b e aaab eabe
f e ceca cae dc.
Te dfed Maee ce cdced a a eeae (1550
°C) ad a ee (10 Pa)62
. I e a Maee ce, aa added e e d eeae f e a. A dfca a
caed eace aa aa ba, a ,
a (e f AA2O3). C ad Baa62 fd a e
ce f ae dced b a a edc ae
a bee caed e ae ece f a a Maee
ea.
Ae aa f dfed aec e HeeIae Pce64.
Te aec edc f ae de, e f f caced
de aea, eed a ea aec ee a ea
aa ac face ca a a e edc ae. Wade 64
cdced a 10 / e f ce. Mae de, a
eaca, ad cac de ee fed a aa ac face 180
e a ea aec ee ad a eeae beee 1500 ad
1600 °C dce ae a a ae 2.5 e .
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Tabe 2.5 e ca c f ae a dced a e
HeeIae ce. W e be dda a dce 99.06 %
f e ae, e aeae f e dc a e f
e Maee ce.
Tabe 2.5 C f Mae Pce HeeIae Pce64
E A , % B , %
M 97.4 99.06
Ca 1.28 0.46
A 0.68
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MO baed b cac aee a e a a eeae f
1720 °C, e caced de baed b cac de e a
a a 1650 °C. Te edc ae ed ce ae
fec ad a. Fec ad a edce ae
de a cec ad aec eac, eece. Tee
edc ae ae ded dffee ae ad ad a ace ae
e beee 3 ad 25 .
Te a eac e Me ce ae a f71:
(2. 23) (2. 24)
Fe 2.20 Pae Daa f CaOMOA2O3SO2 Se a 10 %A2O3(Teeae K)61. Te bac aea e Me Oea Cd
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Mae a eeaed a eaed eac e c c f
acae a f d eaca fed c c eac e.
Te eac e eaed b ea aa. Te aed ae
cdee a cdee d f. Te a ee e e, c
c f aa ee f a aa ad e ae a, e
a ea aec ee. Te aa ee f ae e
ae beee 0.3 ad 0.5 a67.
Bede e ea cd, e dffeece beee e Me ad e
Maee cee e e a ce. Te Me ce a a
e d eeae caed e Maee ce. A
aed Fe 2.20, e a c f e Me ce (bac
aea) a a d eeae f 1700 °C. We MO edced
fec ad caed a aec ee, e eac edced
b edac cc a eeae abe 1950 °C. Baca 66
eed a b add bae, e d eeae f e a ca be
eed beee 1700 ad 1750 °C, e face ea eeae
ca be edced a e. I a cae a, Abdeaf 70 eed a e
eeae ae f e e ca aded be e ae f 1600 1700
°C bae add70.
We ee ae a be f ae f Me a ea e ce
dec, ee a a cae67 a a cae69, 70, ee
fdaea edac ec d f ce e
eae. A d baed a edac a f e Me ce
PS (e ececa fae ed b Me) a
caed deee e eeca ea cd ad a
c e Me ce69. Hee, ee bed ace
ea e dea f e e edac f e Me Pce.
Cae 55, 72 aaed e Maee ce ded e
ca ad ceca dea e cec eac e a c a
e Me ce.
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Fe 2.21 La f e MTMP P Pa 70
A ceac a f e Me Pce a a cae decbed Fe 2.21. Te caced de eaed a eecca eaed a a
eeae beee 1000 ad 1100 °C. Te feed ae ae beee 250 ad
400 /. Te eaed caced de ceced efaced afe
b ad e dcaed e face feed e. Te aeae feed ae
ab 525 / (10.7% FeS, 5.5% A, e eade be caced de)
ad e feed da ab 2.5 , a bac e f 1300 . Te a
a caed b d a ae a aeae eeae f1650 °C. Te bac ed ab 2.5 3.0 70.
Mae cdea ae ace e eb cae ad de
ccbe. A e ed ceae a cea e a de e ae
a f e ac face. Te eeae de e cdee e
ae beee 680 ad 720 °C70.
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Baca 66 eaed e f a cae e f ae dc a
ea aec ee. Te caed a e dced ae a a
f 99.80 %. Te ca c f eac eee e
ae ea baed Tabe 2.7, e e eed
a c eeed Tabe 2.8. I e e 1, e ae
dced ca 0.1 % f Ca, 0.03 % f S, 0.01 % f A, 0.01 % f
Fe ad 0.02 % f M. Te a c ca 6.3 8.5 % f MO,
47.7 56.2 % f CaO, 22.3 31.9 % f SO2 ad 10.8 12.7 % f A2O3.
T c caabe e Maee a c.
Abdeaf 69
aed a e Me ce a eea adaae caed e Pde ad e Maee ce. Te ea f ae
e e ae eaed becae e ea caed a
aec ee. Cdea a d ae edce e ee
eee e cea ad ef ea, a e ee f e
cde ae be bee eed69. Hee, cde a d
ae a e a e cde face eed be aaed a
eae eeae (eae a 650 °C)69
ad ee a aecde aea.
Tabe 2. 7 C f Cdeed Mae (%)66
C A F
1 99.81 0.10 0.03 0.01 0.01 0.02
2 99.84 0.08 0.02 0.01 0.01 0.03
3 99.80 0.09 0.02 0.02 0.02 0.04
4 99.80 0.10 0.02 0.02 0.02 0.02
Tabe 2.8 Sa C Me Pce (%)66
C 2 A23
1 7.9 53.3 23.3 12.7
2 8.5 52.5 24.6 10.9
3 4.7 56.2 22.3 12.9
4 6.3 47.7 31.9 10.8
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2.4.2
Mae dced f e Me ce ee a ef ea
de ee e e cdeed ea. Te e aeaed f e acae ae e feed ea e a ea ad
ee de e cdee ad f ca ad ceca eac beee
e eecc ac ad e face ba73.
Tabe 2.9 Ceca Aae f Va Fe, Ma e Ce 8
C 130 F F C
M 9.69 NA NAA 0.08 0.44 0.12
S 0.37 0.215 0.94
Ca 2.13 48.45 0.019
Fe 0.20 0.236 0.03
C 56.15 0.0144 47.55
Na NA 0.01 0.01
K 27.10 0.011 50.90
F 1.95 51.29 NA
Te cde ae dced b MTMP efed ae8. I e f
e, cde ea eed ad M130 f added e e. M130 f a
MC2KC f c a c ed Tabe 2.9. M130 f cae
e de ad de c f M, A, Ca, ad S, ad f a c cde
de c ee a e b f e ef ccbe8. Cac
eed b f eac:
(2. 25)M130 F beeed be effece e e ad c
ae ea8; eefe, eea cdc fe ef e
ecd ae.
Te bee ef e e f M130 f ad FeC3. T ae
caed beee eeae 715 ad 760 °C. Fec cde ed cae c e e ae ea ad ce a
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FeS a8. Te ef eac ee S e e ae
ea ca be e a f:
(2. 26)T ef edc e c ce f e ea, b a
e eac e c a Fe, M, C, N, ad A. Tabe 2.10 e
ceca aa f e cde ad e efed ae. Te ef
ea a caed edce e e ce e ae, c
a A, S, Ca ad Fe be e a 0.01 %8.
Tabe 2. 10 Ceca Aae f Cde ad Cea Mae, %8
E A B92
G 9980AC
C
A. . .
A 0.05 a 0.066 0.040 0.253 0.003
S 0.05 a 0.281 0.095 0.500 0.014
Ca 0.05 a 0.385 0.023 0.102 0.005
Fe 0.05 a 0.250 0.047 0.100 0.002
2.4.3
Baca 74 eaed e ea beef f e Me Pce. Te
ecc aa f e Me ce a caed e Maee ad
e eecc ce. Seea adaae f e Me ce ae:
1. Le caa ee caed eecc ce. Te eaed
caa c f e Me ce $US 5000/ aa e ae75
(daa e 2006), e e eaed c f e eecc a $US
8000/aa e ae76 (daa e 2004).
2. Te eae f a aea e caed e caed e
eecc ce. Te a aea eaa f e Me ce
cde caca f de, e e feed eaa f e
eecc ce a ce a be f e ee a
ae cde a e feed f eecc ea.
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Te Me Pce a ea fe f ae dc. I 2004,
Ga Rece Ld. c d a de e a Id,
Maba, Caada cdced a ea d dce ae
Me Pce77. Te deee f ce ead e GaZa
ce, c eae a eeae e a 1550