第七章 气态污染物控制技术基础 (1)
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Transcript of 第七章 气态污染物控制技术基础 (1)
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(1)
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, 1
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234
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= =/
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100kgkg P
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251.013105PaCO225L=977Kg/m3
7-625E=1.66105Kpa
7-20
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+
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WA==WA =GBy1-GBy2=G1(1-y1)(Y1-Y2)=
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YyXx GGBLLs
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Ls/GB Y1X1Y2X2YX Y-Y* X*-X
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LsX1LSX1LS/GBLSDX1Y1X1*Ls/GBmin
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LSLSL=(1.1~2.0)Lmin
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201.013105Pa8%SO2SO21%300m3/h 75E=0.355104kPa
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AB
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K1 C,
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SO2G1kmol/(m2h)y1y2SO2pH1pHWm3/m2hSO2
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SO2 y(ZT)=y1 [SO2H2O]=KhsP SO2 S [HSO3-]=KhsKs1PSO2s/[H+] [SO32-]=KhsKs1Ks2PSO2s/[H+]2
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SO2 [H+]+[M+]=[OH-]+[HSO3-]+2[SO32-] [H+]+[M+]=KW/[H+]1-KhsKs1PSO2s/[H+]+2KhsKs1Ks2PSO2s/[H+]2 z=ZTzSO2 G1y1+WKhsPSO2s (1+Ks1/[H+]+2Ks1Ks2/[H+]2) =G1y1-G1(1-y1)y2/(1-y2)+G1(1-y1)y/(1-y)
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SO2
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(2)
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1.2.3.4.5.1.2.3.4.5.
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SO2
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FreundlichI
lgmlgP
mPK,n,
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LangmuirI
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BETIIIIII
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L0WAWE1-f
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1
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H2SH2S36500kg/h293K1atmH2S95 (1) 1.5 (2) H2S (3) (1) H2S0.036500195kg/h 65001956305kg/h H2S0.05(195)9.75 kg/h 6305 kg/h
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X20X10.1147
0.37263052345.5kg/h(2)
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(3)
NOG
NOG3.127
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(3)
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SO2NOxVOCs
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Pt (Pd,)/Al2O3
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WWRt
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HCNCOH2SSAsPb
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(1)-(2) (3)(4)(5)(6)(7)(1),(7)(2),(6) (3),(4),(5)
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^ ()
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NAAkmol/hNA0Akmol/hVRm3xLmAm2Qm3thcA0,kmol/m3
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KG
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: :()
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Ergun