PowerPoint Presentation

QUY TRNH CNG NGH NH MY M PH M

1Nguyn Xun Vinh60903306Phan Tn Thnh60902474Phm Xun Tnh60902806Hunh Xun Tn60902365

Cc thnh vin ca nhmNi dung thuyt trnhTng quan v ur v cng ngh tng hp ur

1. Khi nimUr l hp cht hu c ca carbon, hydro, oxi, nit vi cng thc phn t l ( NH2)2CO v c cng thc cu to:

Tn quc t : Diaminomethanal Tn khc: carbamide, carbonyl diamide c bit n nh l : cacbamuaUR

2. Tnh cht vt l C dng tinh th, khng mu nhit nng chy 132,4 0C D ha tan trong nc v d b nhit phn to nhiu sn phm khc nhau Nh v d b chy nc hn cc loi phn m khc Khi t c mi khai, nhng cho vo kim th khng cn mi Khi lng phn t : 60,07 g/mol Khi lng ring : 750kg/m3 tan :

Ur l cht d ht m t mi trng xung quang mt nhit d nht nh, ng vi p sut hi ring phn ca hi nc xung quang hn hn p sut hi ring phn trn b mt ur

Theo s liu trn th ur s ht m mi trng ln hn 70% , nhit 10 40 0C V vy, c bit l vo nhng ngy h m thp, hn ch vic ur ht m, ngi ta thng ng gi trong co bao PP, PE hoc trong giy nhiu lp

Nhit phn hy l : 132,7 0C (406 K) Hiu ng nhit trong nc: 57,8 cal/g ( thu nhit) T l m rt cao, khong 45 48% m nguyn cht3. Tnh cht ha hc Lm acid ha t trng: (NH2)2CO + 4O2 2HNO3+ CO2+ H2O

Ur d b phn hy : Trong khng kh m:2NO + (NH2)2CO + O2 2N2+ H2O+ CO2

Trong mi trng t m: (NH2)2CO + 3H2O CO2 + 2NH4OH

Phn hy bi nhit: Ti 80 oC(NH2)2CO NH3 + HNCOHNCO tng tc tip vi ur:HNCO + (NH2)2CO NH2CONHCONH2 (biuret)NH2CONHCONH2 NH3 + HNCOBiuret c kh nng t chy l

Ti nhit < 130 oC

(NH2)2CO + H2O NH2COONH4 cacbamat amnNH2COONH4+ H2O (NH4)2CO3 cacbonat amn(NH4)2CO3 NH3+ CO2 + H2O

Ti nhit >130 oC

(NH2) 2CO + H2O 2NH3+ CO2www.themegallery.comwww.themegallery.comwww.themegallery.comng dng ca Ure1. Trong cng nng nghipng dng2. Trong y hcTrong cng nng nghipLm phn bn cho cyc dng trong mt s ngnh thuc tr suL cht thay th cho mui trong vic h nhit ng lnh cc vng c tuyt Nguyn liu cho sn xut nha

www.themegallery.com

Trong y hcUre c dng trong sn phm da liuDng chng nhim formaldehyd

www.themegallery.com

Cch iu ch ur1.2.1 Cc phng php sn xuta) HOCN + NH3 = (NH2)2COPhn ng xy ra nhit p sut cao, HOCN gy c hi.b) COCl2 + 2NH3 = (NH2)2CO + 2HClPhn ng ph: NH3 + HCl = NH4Cl lm cho lngNH3 thc t s dng ln hn l thuyt.

www.themegallery.comc)COS+2NH3 = NH2COSNH4 thi carbamat amnNhit phn: NH2COSNH4 (NH2)2CO +H2SCOS rt c, thng c dng lm cht c trong chin tranh. Phng php ny i hi nhit , p sut cao nn cng t c s dng.

www.themegallery.com1.2.1 Cc phng php sn xuty l qu trnh ngc vi qu trnh thy phn carbamat amn, hay ni cch khc y l qu trnh dehydrat ha.

d)Q =+32560kca/kmolQ = -4200 kcal/kmolGii thiu nh my m ph m

www.themegallery.comwww.themegallery.comGii thiu1. Lch s hnh thnh v pht trnNh my m Ph M2. Cc phn xng trong khu sn xut1.Lch s hnh thnh nh my m Ph M3/200124/12/200115/12/20042004Khi cng xy dng nh myNgy nhn kh vo nh myNgy khnh thnh nh myThng 4 Ngy ra sn phm amoiac u tin4/6 Ngy ra sn phm ure u tin21/9 Ngy bn giao sn xut cho ch u twww.themegallery.com2.Cc phn xng trong khu sn xutIIIIIIIVPhn xng tng hp AmoniacPhn xng tng hp UrePhn xng ph trPhn xng sn phmwww.themegallery.com2.1.Phn xng tng hp AmoniacChc nng tng hp Amoniac v sn xut CO2 t kh thin nhin v hi nc

22www.themegallery.com2.2.Phn xng tng hp UreChc nng tng hp Amoniac v CO2 thnh dung dch Ure sau dung dch c c c v a i to ht.

www.themegallery.com2.3.Phn xng ph trChc nng cung cp nc lm lnh, nc kh khong, nc sinh hot, cung cp kh iu khin, nito, x l nc thi cho ton nh my.

www.themegallery.com2.4.Phn xng sn phmSau khi tng hp, ht ure c lu tr trong kho cha ure ri.

www.themegallery.com

Khu cng nghip Ph M I huyn Tn Thnh tnh B Ra Vng Tu

Quy trnh cng ngh tng hp v to ht ur ti nh my m Ph MQu trnh tng hp urQu trnh phn hyQu trnh thu hiQu trnh c cQuy trnh to ht

Cc qu trnh trong tng hp uriu kin phn ng: t = 180-190 0C P = 152 157 barTrong , phn ng th 2 xy ra chm hn nn quyt nh tc phn ng

I. Qu trnh tng hp ur

T l NH3/CO2 S nh hng ca NH3 n hiu sut phn ng ln hn nhiu so vi CO2Hm lng CO2 cn nh hng n n mn thit bTrong thc t, ngi ta chn t l NH3/CO2 t 2,5 n 5 Cc yu t nh hng n qu trnh tng hp ur

31T l H2O/CO2 Vai tr ca nc trong phn ng

=> Nc d s cn tr s to thnh ur

Cc yu t nh hng n qu trnh tng hp ur

Thiu nc s dn n hin tng vn cc amoni cacbamat gy tc nghn ng ng=> T l H2O/CO2 trong thc t l 0,5 0,7

Cc yu t nh hng n qu trnh tng hp urNhit v p sut _ chuyn ha t ti a trong khong nhit 196-200 oC _ p sut cn bng c mt im cc tiu khi thay i t l NH3/CO2 _ p sut cn bng tng nhanh v ph t l NH3/CO2 thpCc yu t nh hng n qu trnh tng hp ur

II. Qu trnh phn hy v thu hi Phn hy cao p

Phn hy trung p v thp p38

So What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade3839

So What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade3940

So What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade40III. Qu trnh c c chn khng41Giai on c c 1

So What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade4142Giai on c c 2

So What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade4243

So What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade4344

So What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade44IV. Cng on to ht ureUre nng chy t thit b c c th cp c a qua li phun ht thng qua bmUre t trn xung kh t di ln ht ure rn hnh thnhHt ure c gom y thit b hnh nn nh h thng co quay Ht ure c a ln bng ti v ng giwww.themegallery.comwww.themegallery.com

Cng on to htwww.themegallery.com

V. Hin tng to thnh biuret48Biuret l sn phm khng mong mun c to thnh t phn ng sau:

2(NH2-COO-NH2) NH2 -CO-NH-CO-NH2 + NH3

Tc hi ca biuret:

Phn ng chu nh hng ca nhit v thi gian luSo What are the applications of Bio-Oil? From ., we can see there are a lot of applications from Bio-Oil. We can use it in two ways: Directly and Upgrade48Cm n c v cc bn lng nghe