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-COD1,2112(1.,100085;2.,130026)-COD,COD,:4V,1.5h,H2O20.6%,MO(75%TiO2)2.5g/LCOD77.5%-,ResearchonremovalofCODindyestuffswastewaterbyelectrolyticflocculation2catalyticoxidationmethodZhangSujuan1,2QuJiuhui1LiuHuijuan1JiangGuilan2(1.StateKeyLaboratoryofEnvironmentalAquaticChemistry,ResearchCenterforEco2EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085;2.CollegeofChemistryandScience,JilinUniversity,Changchun130026)AbstractTreatmentofdyestuffswastewaterbyelectrolyticflocculationcatalyticoxidationmethodwasstudied.TheresultsindicatethatCODremovaleffectofdyestuffswastewaterisverygood,andtheoptimumconditionsoftreatmentareobtained:U=4V,t=1.5h,H2O2=0.6%,MO(including75%TiO2)=2.5g/L.TheremovalratesofCODinwastewatercanreach77.5%.Themethodhassomecharacteristics,includinglowenergyconsumption,easyoperation.Itlaysafoundationforfurtherdeeptreatment.Keywordselectrolyticflocculation;catalyticoxidation;dyestuffswastewater[1]:[26],,,,-,pHCOD,11.1:COD60000mg/L,pH2.01.2GCA12216A;C192A;C192V;(100mm20mm100mm);:(100mm110mm2.5mm),:(100mm110mm1.5mm);7821;PHS2ZC;MO:,75%TiO21.3,(200ml),15mm,(1),pH,COD2.2.1COD2.1.1COD[7],33Vol.3,No.320023TechniquesandEquipmentforEnvironmentalPollutionControlMar.,2002©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1):Al-3eAl3+,;(2),:2H2O+2eH2+2OH-,;(3)pH,,:Al3++3OH-Al(OH)3,,Al3+OH-,2,COD,,COD26.3%,COD,,,,COD2,,COD,56V,,,,COD29.4%,,COD34.9%,4V,Al(OH)3,,,,,4V2CODt=60min;pH=8[8];H2O20115%;MO1g/L2.1.2CODCOD3,COD,,COD,1.5h,0.5h,1hCOD,,,,3CODU=4V;pH=8;H2O2011%;MO1g/L2.22.2.1H2O2CODpH,10%H2O2,4V,1h,573:2COD©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4):H2O20.6%,COD,H2O2,COD,H2O2,COD25.6%H2O2OH[911],,OH,H+,,OH,,,,Al(OH)3,OH,,H2O2,COD,,COD,OH,,,,H2O2,OH,4H2O2CODU=4V;t=1h;pH=82.2.2MOCODH2O2,MOCOD,(5):2.5g/L,,40.6%H2O23.4%25.3%MOTiO2[12,13],,,,H2O,H2O2,,TiO2,H2O2OH,H2O2,COD,5MOCODU=4V;t=1h;pH=8;H2O20.6%2.3pHCODpHCOD:;+H2O2;+H2O2+MO6:,pH,,pH,,COD,COD3-6pHCODU=4V;t=1h;H2O20.6%;MO215g/L(85)673©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)SBR20000mg/LCOD,2d,10gCOD/(Ld)NH32N,4d(2)SBR,SBRI2CMBRHRT;,SBR1/3,SBRI2CMBR,SBRI2SBRII,,(3),,,,[1]..,2001,17():3740[2]..,2001,17(5):7881[3]Zhang,R.H.,Li,X.J.Treatmentofdairywastewaterwithsequencingbatchreactorsystems.1999ASAEAnnualInternationalMeeting,Toronto,Canada.PaperNo.994069[4]Irvine,R.L.Busch,A.W.Sequencingbatchbiologicalreactors2anoverview.J.WaterPollut.ControlFed.,1979,51(2):235243[5]Shammas,N.Kh.Interactionoftemperature,pH,andbiomassonthenitrificationprocess.JournalofWPCF,1986,58(1):5259[6]U.S.EnvironmentalProtectionAgency.Processdesignmanualfornitrogencontrol.Cincinati,ohio,USA:U.S.EnvironmentalProtectionAgency.,1993(:)(76),200ml,:U=4V;t=1h;H2O20.6%;MO2.5g/L;COD77.5%,,COD,TiO2MO,,,[1]..,1994,3(14):139142[2]..,1998,18(5):2123[3],..,2000,20(1):1418[4]..,1994,(1):1920[5],..,1991,9(1):14[6],..,1998,18(6):557560[7]..,1980,(4):124131[8]..,1999,25(7):4244[9]..,1995,18(2):6062[10],.H2O2OH.,1997,23(6):354357[11]W.Z.Tang,R.Z.Chen.Decolorizationkineticsandmechanismsofcommercialdyesbyhydrogenperoxide/ironpowdersystem.Chemosphere,1996,32(59):2527[12].J.(),1998,21(6):115116[13],.B.,2000,2(1):5558(:)583:SBR©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.
本文标题:电絮凝催化氧化法去除染料工业废水COD的研究
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