TiO2催化串联电极法在染料废水处理中的应用刘弋潞

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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,,〔7〕。,,,。3(1),90d,32~34℃、8m/h、HRT6d、COD1.80kg/(m3·d),COD55%,。(2)3,。,pH,pH。(3)ABR,VFA,4VFA。VFA,VFA。(4),,,SS、VSSSS/VSS。,,,。[][1],,.(PVA)[J].,2004,5(10):30-34.[2].—[M].:,2000:4.[3].(ABR)———[J].,1994,7(4):33-34.[4],,.[M].:,2003:140-141.[5],,,.ABR[J].,2003,23(5):575-581.[6],,,.ABR[J].,2007,26(1):10-16.[7],.[M].:,2004:157-159.[](1983—),。:021-67792538,E-mail:zj_d@mail.dhu.edu.cn。[]2009-03-27()ApplicationofTiO2cascadecatalyticelectrodetothetreatmentofdyestuffwastewaterLiuYilu,LuWeiqi,CaoGuiqing(CollegeofScience,FoshanUniversity,Foshan528000,China)TiO2,,(,528000)[]TiO2。:9V、1.0cm、90min、pH5~6,TiO2,96.0%,COD80.0%。、、。[];;;[]X703.1[]B[]1005-829X(2009)07-0047-04Abstract:DyestuffwastewaterhasbeentreatedbyTiO2cascadecatalyticelectrodeandcoagulationmethod.There-sultsshowthatwhentheelectricpressureis9V,electrodedistant1.0cm,electrolysistime90minandpHrangesfrom5to6,TiO2cascadecatalyticelectrodeisusedfortreatingthewastewaterintheSouthPrintingandDyeingCo.,Ltd.Itsdecolorizationratecanbeover96.0%andtheremovalrateofCODisaround80.0%undertheopti-mumconditions.Itisbetterthantraditionalmethods,havingwideradjustabilityandapplicationprospect.Keywords:catalysis;electrolyticoxidation;TiO2;printinganddyeingwastewater29720097IndustrialWaterTreatmentVol.29No.7Jul.,200947——2009-07,29(7):()、、、〔1-2〕,、、、〔3-5〕。,(AOPs),、、、〔6-8〕。〔9-10〕Ti/SnO2-Sb2O5,。〔11〕Ti/SnO2,95.1%。、、,,TiO2,,,,,、,。11.1:、、、、、、、()、、、、、、;。:WYJ5-30、pHS-3C、722S、P-700、DDS-A、79-1、COD1。1.21.2.1TiO22mL70%10mL,2.5mL,A。10mL、2.5mLB。,BA(1~2/s),、,70~80℃。1.2.2TiO2,;TiO2,;40℃,TiO2,;。500℃2h,。1.2.3,。、、pH、、,。1。1.2.4,,(1)。=〔(A0-A)/A0〕×100%(1):A0———;A———。1.2.5CODGB11914—1989《》COD,(2)COD〔12〕。=〔(C1-C2)/C1〕×100%(2):C1———COD,mg/L;C2———COD,mg/L。22.1、、,,pH=6,9V1L30min,1。1:。HO·、[Cl],Fe(OH)31236457891—;2—;3—;4—;5—;6—;7—;8—;9—。11COD/(mg·L-1)COD/(mg·L-1)COD/%/%1692.061052.0837.8287.51692.061417.8216.21—1692.061100.2434.9884.1848——2009-07,29(7)4/cmCOD/(mg·L-1)COD/(mg·L-1)COD/%/%0.5884.10368.3058.3497.771.0884.10407.4853.9195.402.0884.10425.2551.9092.493.0884.10495.0044.0183.604.0884.10574.9334.9165.96,:TiO2/VCOD/(mg·L-1)COD/(mg·L-1)COD/%/%31691.801470.5113.0860.5761691.801392.5017.6979.6591691.801049.7537.9589.50121691.801031.1539.0592.35151691.801015.0840.0096.463pHpHCOD/(mg·L-1)COD/(mg·L-1)COD/%/%4906.05306.2566.2298.906906.05365.3159.6894.068906.05433.6652.1482.2310906.05507.2344.0262.8512906.05731.8119.2335.98;,,,,。2.2,pH6,3、6、9、12、15V1L30min,,2。2,,COD,;,,,;12V,COD。,,9V。2.3pH1L5,pH4、6、8、10、12,9V、30min,pH,3。3,pH,COD;[Cl];,。,pH5pH。2.451L,pH5,9V,0.5、1.0、2.0、3.0、4.0cm,30min,,,4。4:COD,,,;,,1.0cm。2.51L,pH=5,9V、1.0cm,,15min,COD,5。5,COD;75min,COD,,90min,COD170.08mg/L,,90min。,pH5、9V、1.0cm、90min。33.1,NaClNa2SO4,,pH=5、9V、1.0cm,60min。6。6,6COD/(mg·L-1)COD/(mg·L-1)COD/%/%1790.43202.2574.4097.9321570.35535.0865.9395.6125/minCOD/(mg·L-1)COD/(mg·L-1)COD/%/%15883.59470.0036.5487.4330883.59421.5652.2993.7145883.59378.0057.2296.4060883.59329.1062.7596.0075883.59230.4180.7596.5790883.59170.0880.7593.71105883.59137.5684.4397.8049——2009-07,29(7)[](1967—),1989(),,。:13620139369,E-mail:lyl1300@sina.com。[]2009-03-10();COD,HO·、[Cl],COD,。3.2、、1L,60min,7。7,,,,,。3.3,。:,60min;60.0mg/L,pH6,1min,30min,。8。8,,,。,,,COD。4(1)pH5、9V、1.0cm,COD900mg/L,90min,COD180mg/L,96.0%,。(2),,、、,。(3),,。(4),。。[][1].[J].,2005,25(5):361-363.[2],,.[J].,2003,24(4):39-41.[3],.[J].,2005,24(2):24-26.[4],,.[J].:,2004,25(3):42-45.[5],,.[J].,2004,22(2):27-29.[6],,.[J].,2002,3(3):51-55.[7],,.[J].,2003,24(2):121-124.[8]MohanN,BalasubramanianN,SubramanianV.Electrochemicaltreatmentofsimulatedtextileeffluent[J].ChemicalEngineering&Technology,2001,24(7):749-753.[9],,.Ti/SnO2-Sb2O5[J].:,2005,44(4):614-618.[10],,.[J].:,2000,28(5):597-599.[11],,,.[J].,2007,35(10):1395-1399.[12].[M].2.:,2001:104-107.7COD/(mg·L-1)COD/(mg·L-1)COD/%/%1406.04200.0285.7796.081003.78288.9571.2196.34823.40192.6376.8993.488/COD/(mg·L-1)COD/(mg·L-1)COD/(mg·L-1)COD/%/%884.10543.01()163.96()81.5798.38884.10318.30()296.93()66.4193.3550——

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