耐硫变换催化剂在合成氨厂全低变工艺中的应用

96200111INDUSTRIALCATALYSISVol111No16Nov.2001X,,(,215337):SJT21GSJB21G8,,:;;;:TQ113126+412TQ426194:A:100821143(2001)0620032203Applicationofasulfur-tolerantshiftcatalystinammoniaplantwithtotallow-temperatureshiftprocessXIAOXi2ping,JIANGZhan2chang,TANGJia2peng(DikunFineChemicalsCo.Ltd.,JiangsuKunshan215337,China)Atstract:ApplicationofSJB21Gsulfur2tolerantcarbonmonoxideshiftcatalystandSJT21Gguardagentforshiftcatalystina80,000töaammoniaplantwithtotallow2temperatureshiftprocesswasdescribed.Measuresfordebottleneckingofsomeproblemswithtotallow2tem2peratureshiftprocesswereoutlined.Keywords:sulfur2tolerantshiftcatalyst;totallow2temperatureshiftprocess;applicationCLCnumber:TQ113126+412;TQ426194Documentcode:AArticleID:100821143(2001)0620032203412,214,,20008,,SJT21GSJB21GSJB21,301,,:(1)X:2001206204:(1946),,,,,1(2),H2S,(3),(4),,:(1);(2);(3)H2S;(4)SJT21GSJB21G111SJB-1GTiO22Al2O3,Co2Mo:(1)(2)H2S,,,H2S100mgöNm3(3),(4),220230C,211Fig11Flowschemeoftotallow-temperatureshiftprocess1.;2.;3.;4.;5.;6.;7.;8.;9.;10.;11.;12.;13.20004,,,,1,20013,,12m3(10)SJB21,8SJT21G,,,CO112%3320016:1Table1Comparisonofdesignvalueandactualoperatingdatafortotallow-tempertureshiftprocessöMPa011öNm3h-13400034000öth-122ötNH3h-11010öC2202303703755235260275310190210205230150110150COö%291828138134813817219021931311001151183,SJT21GSJB21GSJB21,,200kgötNH3,,:[1].[M].:,1992,2181[2].[J],1998,(8):1.[3]12[M]1:,19951NOx(ThermalEnergyInternationalInc.)ThermalonoxConesville2000MW375MW20016,130m3öh75%90%,25ppmV(SCR)500F()Thermalonox(P4)0118MPa0138sNO138160CNO2,NO2,P2O5SCR30%,,70%,35ökW,SCR100ökW,Thermalonox,SCRChemEng2001,108(4):214320016