Fenton试剂预处理丁苯橡胶废水

316201311PetrochemicalTechnology＆ApplicationVol．31No．6Nov．2013522～525Fenton1221．7300702．730060Fenton。。45℃60minpH3～7FeSO4·7H2O3．3mmol4．0mLCu2+BO3－3Mn2+Fe2+CODFe2+/Cu2+1∶1Fe2+/Cu2+/Mn2+2∶2∶1Fe2+COD1317。FentonX703．1B1009－0045201306－0522－04COD。－－1－2。Fenton3－4。Fenton。1①1．1COD600～1000mg/LpH3～7BOD/COD0．1。27．5%、20%、40%FeSO4·7H2O。1．2500mL600mLHJ－6A45℃FeSO4·7H2O。pH8～91hCOD。1．35COD。SartoriusPB－10pH。22．1COD2．1．112．0mLFeSO4·7H2O1．65mmol45℃pH4．8pHCOD65%60min·OH。①2013－06－082013－07－292008D－47071988—。60min。1COD2．1．22pH4．920～45℃·OHCOD45℃。Fenton45℃。2COD2．1．3pH3pH3～7CODpH3～7pHpH3pHCOD8．5Fe2+FentonCOD6。2．260min45℃pH、FeSO4·7H2O312。1pH/mLFeSO4·7H2O/mmol131．00．55241．51．10352．01．65472．52．202pH/mLFeSO4·7H2O/mmolCOD/%111149．26212261．53313364．48414468．63521241．88622147．14723474．45824373．52931351．011032460．981133166．421234255．261341447．881442357．931543263．011644150．65k160．9847．5153．37k259．2556．9055．37k358．4267．0961．74k454．8762．0262．99Ｒi6．1119．589．62k1～k4i。Ｒi。2Ｒi19．589．626．11CODFeSO4·7H2OpH。·325·6．FentonpH3．02．0mLFeSO4·7H2O2．2mmol。2．32．3．1Fe2+BO3－3Cu2+Mn2+45℃pH5．4pHFeSO4·7H2O3．3mmol4．0mL4～6。Fe2+/BO3－34Fe2+/BO3－3COD60minFe2+/BO3－32∶1COD60%Fe2+5。Fe2+BO3－3。Fe2+/Cu2+560minFe2+/Cu2+1∶1COD68%Fe2+13Cu2+COD59%。FentonCu2+CODCu2+Fe2+·OHCOD。Cu2+Fe2+7。Fe2+/Mn2+6Fe2+Mn2+Mn2+COD60minFe2+/Mn2+2∶162%Fe2+7Fe2+/Mn2+1∶1COD51%Mn2+22%。21Fe2+Mn2+Mn2+·OHCODCODCOD829FentonMn2+·OHMn2+Mn2+·OH。Cu2+BO3－3Mn2+Fe2+。2．3．2Cu2+Mn2+Fe2+45℃pH5．35pHFeSO4·7H2O3．3mmol4．0mL37。·425·31Fe2+/Cu2+/Mn2+□—2∶2∶1■—1∶1∶2○—2∶1∶1●—1∶1∶1◇—1∶2∶2◆—2∶1∶2△—Fe2+7Fe2+/Cu2+/Mn2+COD73CODFe2+Fe2+/Cu2+/Mn2+2∶2∶172%3。COD。3a．FentonpH3．02．0mLFeSO4·7H2O2．2mmol。b．45℃60minpH3～7FeSO4·7H2O3．3mmol4．0mLCODFe2+/Cu2+1∶1Fe2+/Cu2+/Mn2+2∶2∶1Fe2+COD1317。1．－J．199723232－35．2．J．199819247－50．3ChamarroEMarcoA．UsingofFentonreagenttoimproveorganicchemicalbiodegradabiljtyJ．WaterＲesearch2001351047－1051．4．J．20073281－5．5．M．4．2002125．6．J．200839152－54．7．Fe2+Cu2+J．2003194289－296．8．、J．200834421－23．9．FentonHPLCESＲJ．63141357－1360．StudyonrubberwastewaterpretreatmentbyFentonreagentQINZe－kun1LIUFa－qiang2WANGXiao－xiong21．InstituteofEnvironmentalandMunicipalEngineeringLanzhouJiaotongUniversityLanzhou730070China2．LanzhouPetrochemicalＲesearchCenterPetroChinaLanzhou730060ChinaAbstractStyrene－butadienerubberSBＲwastewaterwaspretreatedbyFentonreagentandin-fluencefactorswereinvestigatedbyorthogonalex-periment．Theresultsshowedthathydrogenperoxideamountwasthemainfactorwhichaffectedpretreat-mentefficiency．EachofCu2+BO3－3andMn2+couldcomplexFe2+todegradenonbiodegradableorganicsandimprovetheremovalrateofchemicaloxygendemandCODundertheconditionofreac-tiontemperature45℃reactiontime60minpHvalue3－7FeSO4·7H2O3．3mmolhydrogenperoxide4．0mLandinvariabletotalionconcentra-tion．AtFe2+/Cu2+moleratio1∶1orFe2+/Cu2+/Mn2+moleratio2∶2∶1CODremovalrateincreasedby1317percentpointscomparedwithusedFe2+．KeywordsFentonreagentstyrene－butadienerubberwastewatermixedioncatalystchemicaloxy-gendemandremovalrate·525·6．Fenton