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当前位置:首页 > 商业/管理/HR > 企业文化 > 电化学氧化耦合絮凝技术深度处理焦化废水影响因素分析段爱民
INDUSTRIALWATER&WASTEWATERVol.41No.6Dec.,20101,2,2,1(1.,430080;2.(),430080)、、,、、、、、、[1-4]。。。A/O,A2/O、A/O,CODCr[5-7]。,。:,、pH、(HRT)CODCr。,。CODCr99mg/L,30mA/cm2,HRT30min,pH6.5,PAM600mg/L,CODCr80%,,GB8978—1996《》。:;;;:X784.031:A:%1009-2455(2010)06-0046-03InfluencingfactorsofadvancedtreatmentofcokingwastewaterbyelectrochemicaloxidationcouplingwithflocculationDUANAi-min1,ZHANGLei2,LIUShang-chao2,LIUGang1(1.WuhanPingmei-WISCOJointCokingCo.,Ltd.,Wuhan430080,China;2.ResourceandEnvironmentSection,DesignandResearchInstituteofWuhanIronandSteelGroup,Wuhan430080,China)Abstract:Thetechnologyofelectrochemicaloxidationcouplingwithflocculationwasusedtotreatcokingwastewater;theinfluencesofcurrentdensity,pHvalue,HRTandflocculantdosageonCODCrremovalwerestudied.Theresultsshowedthat,agoodsynergiceffectcouldbeobtainedwhenusingthecouplingtechnologyofelectrochemicaloxidationandfloccuolationtotreatcokingwastewater.WhenthemassconcentrationofCODCrintheinfluentwaterwas99mg/L,thecurrentdensitywas30mA/cm2,theHRTwas30min,thepHvaluewas6.5,thedosageofPAMwas600mg/L,theremovalrateofCODCrreachedabove80%,theeffluentwaterqualitywasstable,whichcouldmeetthespecificationforgrade1inGB8978—1996IntegratedWastewaterDischargeStandard.Keywords:reuse;electrochemicaloxidation;flocculation;cokingwastewater:2010-08-30;:2010-09-26·46·1Fig.1Experimentalapparatus12345678910111Tab.1Qualityparametersofeffluentwaterρ(CODCr)/(mg·L-1)ρ(SS)/(mg·L-1)ρ(NH3-N)/(mg·L-1)pH/99583.56.864≤100≤70≤156~9≤50:GB8978—19962CODCrFig.2EffectofcurrentdensityonCODCrremovalrate1020304050607080/(mA·cm-2)/%80706050403pHCODCrFig.3EffectofpHvalueonCODCrremovalrate345678910pH/%454239363330,CODCr。11.1、Ti/RuO2-TiO2-IrO2、。1。1.2PHS-3BpH;MPS702;HL-5B;S212-90WB;ZNHW-。NaOH、K2CrO7、NaCl、Na2SO4、Ag2SO4、HgSO4,;(PAM),,≥500,≤30%。1.3。O/A/O,1。1.45,1cm,,15V,100mL/min,、pH、PAM,,CODCr。1.5《》()。CODCr;pH。22.1CODCr。pH3.5、HRT60min,CODCr2。2,,CODCr。,·OH,,CODCr[8]。,100mA/cm2,,,,,,。2.2pHCODCrpH。15mA/cm2、HRT60min,pHCODCr3。3,CODCrpH,,,:·47·INDUSTRIALWATER&WASTEWATERVol.41No.6Dec.,2010,CODCr。,O2H2O2,;,,,[9]。2.3CODCr15mA/cm2,pH3.5,HRTCODCr4。4,,CODCr,2.5hCODCr50%;,CODCr。,,H2O2·OH,CODCr。,,,,。2.4PAMCODCr,(:30mA/cm2,HRT:30min,pH:6.5)PAM,5。5,PAM,CODCr;PAM600mg/L,CODCr80%,,CODCr30mg/L。PAM,,,,CODCr。,CODCr,。3。、pH、HRTPAM,,,。,,CODCrGB8978—1996,。:[1]LimBR,HuHY,FujieK.Biologicaldegradationandchemicaloxidationcharacteristicsofcoke-ovenwastewater[J].WaterAirSoilPollut,2003,146(1-4):23-33.[2]WangJL,QuanXC,WuLB,etal.Bioaugmentationasatooltoenhancetheremovalofrefractorycompoundincokeplantwastewater[J].ProcessBiochem,2002,38(5):777-781.[3],,.[J].,2009,40(5):32-34.[4].A2/O[J].,2009,(4):65-67.[5],,.A2/O2[J].,2008,39(1):15-19.[6],,.[J].,2010,41(1):46-49.[7],,,.Fenton[J].,2010,26(3):93-95.[8],,,.RuOx-PdO/Ti[J].,2007,28(4):29-35.[9],,.H2O2[J].,2006,15(3):503-508.:(1975-),,,,,,()leizhang21c@yahoo.com.cn。4CODCrFig.4EffectofHRTonCODCrremovalrate00.51.01.52.02.53.03.5HRT/h/%5550454035305PAMCODCrFig.5EffectofPAMdosageonCODCrremovalrate02004006008001000PAM/(mg·L-1)/%908580757065·48·
本文标题:电化学氧化耦合絮凝技术深度处理焦化废水影响因素分析段爱民
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