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266Vol.26No.6200612SHANXICHEMICALINDUSTRYDec.2006:2006209228:,,1976,1998,,,PDS(,030024):PDS,PDS:PDS;,:TQ546.5:B:100427050(2006)0620051202,ADAPDSPDS,,,ADA,,,1PDS1.1PDS;,,,,PDS[1],19868,500,(PDS)(GTS,)PDS:;PDS;PDS+;,,,1.2PDSPDS,,,,,PDS(),,:H2S+NH3H2O=NH4HS+H2ONH4HS+(x-1)S+NH3H2O=(NH4)2Sx+H2OPDS1.2.1PDSPDS:PDS,();PDS,,;,PDS210-6,ADAMSQ:PDS,,PDSPDS2S,PDS1.2.2:PDS,1.2.3PDSPDSADA;PDS,,,PDS();,PDS1.3PDSPDS,:1)H2S0.3g/Nm3500g/Nm3,,HCNH2S98%;HCN97%;60%2)ADA,30%3),,,4)PDS,1mg/L20mg/L,1.4PDS1[2]1.;2.;3.;4.;5.;6.;7.;8.;9.;10.;11.1PDS1PDS/2535/Pa1000pH8.08.7PDS/mgL-12.5/ms-10.71.0H2S/gNm-358H2S/mgm-320/%99HCN/mgNm-310001500HCN/mgNm-32040/%97/%74/min2025/m3m-2h-180100/m3kg-181245t/a,PDS12PDS,,,,:[1].[M].:,1990.[2].[M].:,1999:2142232.(61)25200612,121A2/O2.2()2030,,;,18,,,CODNH32N35,,,2.3pHpH,8.08.4pH,6.58.0H+,pH,pH,pHNa2CO32.42mg/L,,;,0.5mg/L3A2/O,COD,,,:[1],,,.[M].:,2005:5.[2]./[M].:,1995:6.CokingSewageTreatmentbyA2/OProcessNINing2feng(ShanxiCokingCo.Ltd.,HongdongShanxi041606,China)Abstract:Basedonpracticalexperiences,theinfluencesofsewagequality,temperature,dissolvedoxygen,pHvalueandothersonA2/Osewagetreatmentprocessduringcokingsewagetreatmentweresummarized.Keywords:cokingsewage;A2/Osewagetreatmentprocess(52)PDSDesulphurizationTechnologyUsinginCokingPlantZHANGHong2bing(ShanxiProvincialChemicalDesignInstitute,TaiyuanShanxi030024,China)Abstract:DesulphurizationtechnologyanditseffectwhichmainlyutilizedincokingplantpresentlywereintroducedandthePDSdesulphurizationtechnologytechnicalprocessandthecontrolconditionwereanalyzedinthisarticle.Keywords:PDS;desulphurization;coking16200612,A2/O