Fe2NaClO深度处理焦化废水的研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1982-),,,::1674-6139(2010)04-0085-05Fe2+/NaClO,,(,266033):NaClOHClOFentonH2O2,Fe2+:NaClO,pH,Fe2+,Fe2+/NaClO,,Fe2+/NaClOFentonNaClO2mL/L,pH=3,Fe2+40mg/L,10min,2545,Fe2+/NaClOCODcr6212%8117%,CODcr136mg/L,64,:;;:X703.1:AResearchonAdvancedTreatmentofCokingWastewaterbyFe2+/NaClOJiangHui,FanDi,WangJuan(InstituteofEnvironmental&MunicipalEngineering,QingdaoTechnologicalUniversity,Qingdao266033,China)Abstract:Inthispaper,weusedNaClOtoproduceHClOforreplacingH2O2intheFentonreagenttotreatcokeplantbio2chemicaleffluent.TheresultsshowedthatthedosageofNaClO,thepHvalue,thedosageofFe2+,reactiontemperatureanddo2singmethodsbutnotreactiontimeplayedasignificantroleintheFe2+/NaClOoxidationprocess.Fe2+/NaClOcollaborativetreat2mentofCokingWastewaterwasbetterthantheFentonreagentinthesameexperimentalconditions.UndertheconditionsofpH=310,NaClOdosageof2mL/L,Fe2+additionof40mg/L,reactiontimeof10min,temperature2545,Fe2+/NaClOforcokingwastewatertreatmentworkedbestanditsCODcrremovalandcolourremovalwererespectively6212%and8117%.There2mainingCODcrcouldbereducedto136mg/Lwhilecolourwasreducedto64times.Theeffluentcouldreachsecondclassnationaldischargestandard.Keywords:cokingwastewater;advancedtreatment;sodiumhypochlorite,,,A/OA2/O,COD,Fenton[1],H2O2,,Na2ClOH2O2,CODcr,,Fe2+/NaClO[2-4]Fenton,HClOFe2+HO,,HClO(O-2),(HO)O-2+HClOO2+HO+Cl-HClOFe2+,(HO)Fe2++HClOHO+Fe2++Cl-,HO,R:RH+HOR+H2O58©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mg/L)300400150100()3504008050pH71010106969112(10%);(30%);(AR);FeSO47H2O(AR);,113PHS-3C;JHR-2COD;;(01001)114CODcr:(GB11914-89);:(GB11903-89)115600mL,pH,,Fe2+NaClO,,pH10,,,CODcr2211,Fe2+/Na2ClO21111NaClOFe2+80mg/L,pH3,25,10min,NaClOCODcr11NaClO1,NaClOCODcr,NaClO,CODcrNaClO112mL/L(Fe2+/NaClO6617g/L),CODcr3813%,6415%;NaClO2mL/L(Fe2+/NaClO40g/L),CODcr180mg/L,5010%,NaClO,CODcr,80,,NaClO,,NaClO,HClO,HO,;NaClO,H+,HClO,HO,CODcrNaClO2mL/L21112pHNaClO2mL/L,Fe2+80mg/L,25,10min,,68©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=3,,CODcr,5411%7718%,,HClO,,pH,pH,NaClOHClO,,pH=321113Fe2+NaClO2mL/L,pH=3,25,10min,Fe2+CODcr33Fe2+3,Fe2+CODcrFe2+,CODcr,CODcrFe2+40mg/L(Fe2+/NaClO20g/L),CODcr118mg/L,,6119%Fe2+,CODcr,Fe2+80mg/L(Fe2+/NaClO40g/L),CODcr,3,Fe2+Fe2+,,,Fe2+20mg/L120mg/L(Fe2+/NaClO10g/L60g/L),70%80%,Fe2+,Fe2+HClOHO,Fe2+HO,Fe2+HO,,Fe2+40mg/L21114NaClO2mL/L,pH=3,Fe2+40mg/L,25,CODcr478©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=3,Fe2+40mg/L,10min,CODcr,555,CODcr,2545,CODcr,CODcr102mg/L,58%,CODcr,,,,72%,,;,5,2545,,HClO,,,Fe2+/NaClO254588©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=3,Fe2+40mg/L,10min,25,2,NaClOCODcr,22NaClOCODcr6115%6311%6318%7812%8014%8112%2,NaClOCODcr,,NaClO,HClO,HClOHO,HClO,,HClO,HO,CODcr2,,CODcr,,,212Fe2+/NaClOFentonpH=3,Fe2+40mg/L,25,10min,014mL/L018mL/L112mL/L116mL/L210mL/L214mL/L,,Fe2+/NaClOFenton676Fe2+/NaClOFentonCODcr7Fe2+/NaClOFenton(110)98©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:1,,,,2,2mg/L,099%20mg/L,77%12mg/L20mg/L,10%50%:[1].[J].,2000,8(1):18-20.[2]Dan,D.C.ProducedWaterRegulationsinUnitedStates:Then,NowandintheFuture,paperSPE77839presentedatthe2002SPEAnnualTechnicalConference,Sanntonio,TX,September29-October02.[3],.[J].,2007,28(8):55-58.(89)67,,Fe2+/NaClOFentonFe2+/NaClO,CODcr,NaClO2mL/L,CODcr,;Fenton,CODcr,,H2O2116mL/L,CODcr,5619%7114%67,,Fe2+/NaClOFenton,116mL/L2mL/L,FentonFe2+/NaClO,FentonCODcr5619%7114%,CODcr155mg/L,100;Fe2+/NaClOCODcr6212%8117%,CODcr136mg/L,64,(GB8978-1996)(GB13456-92)3(1)NaClOpHFe2+/NaClO,,NaClO2mL/L,pH=3(2)Fe2+CODcr,,Fe2+40mg/L(3)Fe2+/NaClO,Fe2+/NaClO,,10min(4)2545,,HClO,,(5)NaClOCODcr,,,(6),Fe2+/NaClOFentonNaClO2mL/L,pH=3,Fe2+40mg/L,10min,2545,Fe2+/NaClOCODcr6212%8117%,CODcr136mg/L,64,(GB8978-1996)(GB13456-92):[1],,,.Fenton[J].,2008,34(4):18-20.[2],,,.Fe2+/HClO[J].,2005,125(2):78-82.[3].UV/Fenton[J].,2001(3):61-67.[4],,.Fe2+/NaClO[J].,2007,32(3):14-16.011