电催化氧化技术处理造纸废水的实验研究

覃燕颜幼平胡剑伍新驰王苏陈志星(510006)(KHP)(Nb/BDD),pH,Nb/BDD,pH3.0,37.23mA/cm2,6.9V,NaCl0.4g/L,200min,COD70%,BOD/COD0.4,27.6(kW#h/kg)Nb/BDDStudyonTreatmentofPaperEffluentbyElectroCatalyticOxidationMethodQINYanYANYoupingHUJianWUXinchiWANGSuCHENZhixing(CollegeofEnvironmentalScienceandEngineering,GuangdongUniversityofTechnologyGuangzhou510006)AbstractBasedontheelectrolysisexperimentofphthalicacidpotassiumhydrogen(KHP),theelectrochemicalpropertiesofelectrolyticcapacitors-newmetalboron-dopeddiamondfilmelectrode(Nb/BDD)introducedfromtheGermanareana-lyzedandtheelectrodetreatmentequipmentisusedtodealwiththepapermakingeffluentfromapapermillinDongguan.Theeffectsoftheelectrolytictime,currentstrengthandwastewaterpHvalue,electrolyteconcentration,electricconductivityparametersontheelectrochemicaldegradationefficiencyareinvestigated.TheresultsshowthattheNb/BDDhasexcellentsewageremovalperformanceandwhenpHis3.0,thecurrentdensityof37.23mA/cm2,voltage6.9V,NaClactaselec-trolyteconcentration0.4g/Land200minsofelectrolysis,CODremovalrateiscloseto70%,BOD/CODis0.4andener-gyconsumptionis27.6(kW#h/kg).KeyWordsNb/BDDelectrocatalyticoxidationpapermakingwastewater0AOP,,[1],[2],,,(Boron-DopedDiamondfilmelectrode,BDD),[3-5],[6]BDD,4V,3.5V,,(KHP)(Nb/BDD),11.1,,,0.01mol/L0.02mol/L0.05mol/L,ÑÒÓ,,,23.5cm@24.5cm@8mm,523.5cm@2.4cm,(WJT-11005D),(1.6m/1000L/H)(1)PHS-25,DDS-11A,XJ-Ó,101-1A#21#2013392February2013IndustrialSafetyandEnvironmentalProtection,1(a)(b)11.2,,,,COD2500mg/L1COD/(mg#L-1)pHSS/(mg#L-1)25007.397641.3COD,SS,pHpH(PHS-25),(HZHJSZ0149)1.4(1)KHP,,,COD,COD(2),COD,PACPAM,(3),,,COD,COD22.1KHP2.1.1CODCOD690mg/LKHP,788LS/cmNaCl,0.7A1.4A1.8A2.1A2.4A2.7A,10min222,2.1A,,6.9V2.1.2COD2.1A6.9V,CODCOD,22COD/(g#L-1)/(LS#cm-1)COD/%Na2SO40.41.14031.85Na2SO41.0209030.5NaCl0.490044.15NaCl1.0229040.092,900LS/cm,NaCl0.4g/L,CODNaCl,,ClO-COD,,,,2.1.3COD690mg/LKHP0.4g/LNaCl,2A,33,;70min,,,#22#COD32.1.4pHClpH,Na2SO4pH3579,80minpHCODCOD44COD4,pH3,pH579COD,#OH,#OH(E0=2.85V)[7]pH32.22.2.1,PAClPAMTSSCOD,[8],,,(PAC)(PAM),COD55PAC-PAMCOD5,,SS,,PAC800mg/L,PAM300mg/L2.2.2,PACPAM,pH3.10,COD,COD,6(a)(b)6,CODCOD6,,COD20%,,0.4g/L,,COD70~80min50%,,200min,COD70%,BOD/COD0.4,27.6(kW#h/kg),,,,3KHPCOD,Nb/(28)#23#,0.01~1Lm,1.3%~3.3%,(6)6/Lm0.010.11/%1.32.83.34(1)dp10~100Lm,2km;dp10Lm,,,(2),,,,10s,80%,1Lm,74kV/cm(3),0.01~1Lm,1.3%~3.3%[1],,,.[J].,2009,9(3):41-44.[2].[M].:,2002.[3],.[M].:,2005.[4].[M].:,2002.孔朝辉,男,1987年生,硕士研究生刘秋新,男,1956年生,博士,教授(:2012-01-06)(23)BDD,,(1)Nb/BDDpH(2),COD(3):2.1A,6.9V,PAC800mg/L,PAM300mg/L,pH3,0.4g/L,pH3,200min,70%,27.6(kW#h/kg),BOD/COD0.4(4)Nb/BDD,COD[1]IniestaJ,MichaudPA,CerisolaG.Electrochemicaloxidationofphenolatboron-dopeddiamondelectrode[J].Electrochi-micaActa,2001,46(23):3573-3578.[2],,.DC-PCVD[J].,2003,18(1):65-68.[3]RaoTN,LooBH,FujishimaA,etal.Electrochemicaldetec-tionofcarbonatepesticidesatconductivediamondelectrodes[J].AnalChem,2002,74:1578-1583.[4]MarkenF,PaddonCA,AsganD.Directcytochromeelectro-chemistryatboron-dopeddiamondelectrodes[J].Electro-chemistryCommunications,2002(4):62-66.[5]RaoTN,FujishimaA.Recentadvancesinelectrochemistryofdiamond[J].DiamondandRelatedMaterials,2000(9):384-389.[6],,.[J].(),2010(2):19-21.[7],,,.ESR[J].,2010,26(6):1493-1498.[8].[J].,2009,21(1):52-56.覃燕,女,1984年生,湖北荆州人,硕士研究生,研究生方向为水污染控制(:2011-12-29)#28#