电絮凝离子交换生化法处理化学镀铜废液

97Vol．9No．720157ChineseJournalofEnvironmentalEngineeringJul．2015--518059---MBＲ。pH6．050mA/cm2、2hCOD71．5%Cu86%0．110．30。pH531．28g/kg。6BV/h298min884mL。15%96．4%。-MBＲ。---MBＲCOD250mg/L0．5mg/L《DB44/6-2001》COD。MBＲX703．1A1673-9108201507-3355-06Treatmentofcopper-platingwastewaterbyelectrocoagulationionexchangeandbiochemicalprocessPengJuanZhaoChendongFengFanrangZhangQingxiZhengShuaifeiShenzhenHazardousWasteTreatmentStationCo．Ltd．Shenzhen518049ChinaAbstractTheelectrolesscopperplatingwastewaterwastreatedbythecombinedprocessofelectrocoagula-tion-ionexchange-anaerobichydrolysis-aerobicmembranebioreactionMBＲtechnology．Theexperimentalre-sultsshowthattheremovalratesofCODandCu2+canreach71．5%and86%respectivelywhenpHvalueis6.0thecurrentdensityis50mA/cm2andtheelectrolyzingtimeis2h．Additonallythebiodegradabilityindexofwastewaterincreasesfrom0．11to0．30．Intheion-exchangeprocessingwhenthepHvalueis5thehighestremovalrateofCu2+bymacroporousstyrenechelatingresincanbereached．Furthermorethepenetrationtimeis298minandthetreatmentcapacityis884mLwhentheflowrateis6BV/h．When15%HClusesasthedesor-bentthedesorptionrateisupto96．4%．TheconcentrationsofCODandCu2+inwastewaterarelowerthan250mg/Land0．5mg/Lrespectivelywhichcanmeetthethird-gradestandardfordischargeofwaterpollutantsinGuangdongProvinceDB44/26-2001．Keywordselectrocoagulationion-exchangeresinanaerobichydrolysisacidificationmembranebioreactorMBＲcopper-platingwastewater2014－05－122014－06－071982—。[e-mail]B1。2、EDTA。3。4。5。-Fenton-6、7、8、9、1011。、、12。。911．1EC-10、、、、、100V、20A。。-50%～60%0．35～0．55mm256mm×62mm×2mm、、。1．2pHCOD18136mg/LBOD5985mg/LpH=3．51680mg/LEDTA4300mg/L。CODBOD5pHpHS-3CAA7000EDTA-。1．313。Fe2+H14。15。。MBＲ16。1．4--MBＲ1。1pH=6。pH8～9。。MBＲ。2。2．1、pH、。2．1．1pHpH、17。10V20A120minpHCOD2。2pH。pH6pHCOD。pH=6COD77．82%74．45%。pH8．0～11．0COD。pH。pH4．0COD。Cu2+pH1Fig．1Flowchartoftreatmentofwastewatertreatmentprocess65337--2pHCODFig．2InfluenceofpHonCuandCODremovalefficiencypH18。pH6～719。pH6．0pH7～8。2．1．220。pH=610V2hCOD3。3CODFig．3InfluenceofcurrentdensityonCuandCODremovalefficiency3COD。50mA/cm2。。50mA/cm2。2．1．321。pH=610V50mA/cm2COD。4CODFig．4InfluenceofelectrolyzingtimeonCuandCODremovalefficiency4COD2hCOD75．12%98．76%。2h。2．1．46m2。20t/d50mA/cm2pH6．02hpH7～8pH8～91。1Table1SiteexperimentofelectrocoagulationCu2+CODBOD5EDTABOD5/COD1mg/L168518236198540580．11mg/L281495815372830．31%83．3272．6722．693．022mg/L8359367112421320．12mg/L11326768011450．30%86．4771．4328．793．23mg/L127013542203136520．15mg/L139382511051630．29%89．171．7645．695．5175339CODCu71．5%86%EDTA93%。BOD5/COD0．110．30。2．2H。2．2．1100mL1g150r/min24h。pH5。5pHFig．5InfluenceofpHonCuremovalefficiency5pHpH5。pHH+NpHCu2+pHCu2+OH-Cu2+22。pH5。5g400mL281mg/LpH=5．0。6。300min31．28g/kg。6Fig．6Ｒelationshipbetweentimeandadsorption2．2．230mLpH=52、4、68BV/h1mg/L7。7Fig．7Influenceofflowvelocityonpenetrationtime72、4、68BV/h1055、557、298162min3805、1886、884453．0mL。6BV/h884mL。2．2．342mL3%、5%、10%15%HCl24h。HCl3%43．2%5%85337--78.5%HCl10%85．3%HCl15%96．4%。。HCl15%。HCl20040mg/L。。2．3。COD2700mg/L1600mg/LCOD40%BOD5/COD0．35MBＲ。MBＲ7000～18000mg/L、20～24h、0．59kgCOD/kgMLSS·d、DO3～4mg/LCOD1600mg/L250mg/LMBＲCOD90%COD100～250mg/L0．5mg/LCOD。31---MBＲCOD250mg/L0．5mg/L《DB44/26-2001》COD≤500mg/LCu≤2．0mg/LCOD。2pH、pH6．050mA/cm2、2hCOD71．5%86%。0．110.30。3pH5。6BV/h298min884mL。15%96．4%。4、。1．．201263860-864WangJianfangLiuZhigangShenYaoliangetal．Optimiza-tionexperimentoncopperremovalofcomprehensivewastewaterfromprintedcircuitboardindustrialparkbyal-kalinemethod．ChineseJournalofEnvironmentalEngineer-ing201263860-864inChinese2．．201131138-39ZhaoDaweiZhangPeng．Technologyanddevelopmentofelectrolesscopperplating．HeilongjiangMetallurgy201131138-39inChinese3．．20137124719-4723LiuPengLiChaolinKongXianghanetal．TreatmentofelectrolesscopperplatingwasteliquidbyUV-catalyticwetperoxideoxidation．ChineseJournalofEnvironmentalEngi-neering20137124719-4723inChinese4．．20115MolinariＲ．PoerioT．ArgurioP．ChemicalandoperationalaspectsinrunningthepolymerassistedultrafiltrationforseparationofcopperⅡ-citratecomplexesfromaqueousmedia．JournalofMembraneScience20072951-2139-1476LanShanhongJuFengWuXiuwen．TreatmentofwastewatercontainingEDTA-CuIIusingthecombinedprocessofinteriormicroelectrolysisandFentonoxidation-coagulation．SeparationandPurificationTechnology201289117-1247．DTC．2011561246-1250LingYulinDaiYouzhiLiuLihuaetal．SynthesisofaheavymetalchelatingagentwithDTCgroupanditsper-formanceoftreatmentofcopper-containingwastewater．Chi-neseJournalofEnvironmentalEngineering2011561246-1250inChinese8SeshadriH．ChitraS．ParamasivanK．etal．Photocatalyt-icdegradationofliquidwastecontainingEDTA．Desalina-tion20082321-3139-1449．．2006170-17110．．2011342129-135LiZhihongWangMingyu．Experimentonpurificationeffi-cienciesofcopper-contaminatedwaterusingmulti-media95339constructedfloatingislands．EnvironmentalScience＆Technology2011342129-135inChinese11．．200934695-698LiYanlinWuLiboWangWeietal．Ｒemovalofcopperi-onsfromaqueoussolutionsusingpolymerenhancedultra-filtration．ChineseJournalofEnvironmentalEngineering200934695-698inChinese12VoleskyB．Detoxificationofmetal-bearingeffluentsBio-sorp