电镀工业园废水处理工程李富祥

。、、[1-4]。、。960m3·d-1。15。220m3·d-1pH6～8COD280～320mg·L-1250～300mg·L-1。90m3·d-1pH7～9CN-20～30mg·L-120～25mg·L-120～30mg·L-1CN-。120m3·d-1pH2~3Cr()10～40mg·L-1。180m3·d-1pH3～5Ni2+100～120mg·L-135～45mg·L-1COD400～420mg·L-1。350m3·d-1pH3～6Cu2+15～25mg·L-1Zn2+15～25mg·L-1Pb、Pt。1.1COD300mg·L-1CN-30mg·L-1Cr()40mg·L-1Ni2+120mg·L-145mg·L-1COD420mg·L-1Cu2+25mg·L-1Zn2+25mg·L-110mg·L-1。1.2GB8978－1996pH6～9COD100mg·L-1SS70mg·L-1CN0.5mg·L-1Cr()0.5mg·L-1Ni1.0mg·L-1Cu0.5mg·L-1Zn5.0mg·L-1Pb1.0mg·L-1。22.1、1231.1180032.4500073.450007、。。NaHSO3、。3COD、SS87mg·L-163mg·L-10.76mg·L-1。GB8978－1996。X781.1B1000-3770(2010)06-0129-0032009-12-031977－、[e-mail]36620106TECHNOLOGYOFWATERTREATMENTVol.36No.6Jun.,2010129DOI:10.16796/j.cnki.1000-3770.2010.06.032pHρ(SS)/mg·L-1COD/mg·L-1ρ(CN)/mg·L-1ρ(Cr())/mg·L-1ρ(Ni)/mg·L-1ρ(Cu)/mg·L-1ρ(Zn)/mg·L-1ρ(Pb)/mg·L-17966469528796760.250.480.080.400.480.260.861.00.450.410.760.351.811.931.510.810.970.631Tab.1Effluentdischargeconcentration。、、、[5-6][7]。Ca(ClO)2Ca(OH)2CaSO4[8]。Cr()CrO42-Cr2O72-。Cr()、、、、Cr3+Cr(OH)3[9]、、[10]NaHSO3、pH。9、、、、3、。、。4。Cu、ZnPb、Pt。。[11]。。2.21。1pHpH10～10.52pH10～11ORP300～350mV。pH8～9ORP600～650mV3pH2～3ORP250～300mV4pH2～3ORP450～500mVpHpH10～115pHpH10～10.5。+0.3mg·L-12.0～4.0mg·L-1。320088315d1。。4、、52。。2。。[12-13]pH3～490minm1Fig.1Electroplatingwastewatertreatmentprocess!#$%&’(#)*%+,-$%./’(012345677#&’(89:;*$%./%+,-$%8=*366130
 pH PACPAM!#$%&#2Fig.2MetalintegratedwastewatertreatmentprocessENGINEERINGEXAMPLEOFTREATMENTFORELECTROPLATINGINDUSTRYPARKWASTEWATERLiFuxiang1,GongWeijin2,YinYunji3（1.TheUrbanConstructionDepartmentofLiaoningCollege,Dandong118003,China;2.SchoolofEnergy&EnvironmentalEngineering,ZhongyuanUniversityofTechnology,Zhengzhou450007,China;3.No.6InstituteofProjectPlanning&ResearchofMachineryIndustry,Zhengzhou450007,China）Abstract:Accordingtocharacteristicsoflargedischargeamountandcomplicatedcomponentforelectroplatingindustryparkwastewater.Pre-treatingwastewaterwastreatedbyoilproofsumpandairfloatation,electrolessnickelplatingwastewaterwastreatedfirstlybychemicaloxidationandprecipitation,thentreatedbybiochemicalprocesswithpre-treatingwastewater,containingcyanogenwastewaterwasoxidizedbyNaClO,containingchromium()wastewaterwasreducedbyacidNaHSO3,metalionscomprehensivewastewaterwastreatedfirstlybyhydroxidesedimentation,thentreatedbycoagulationwithcontainingcyanogensandchromium()wastewater.Afterthreemonthstrialoperation,theaverageconcentrationofCOD,SSwas87mg·L-1and63mg·L-1,themaximumconcentrationofcopperwas0.76mg·L-1overthestandard.Internalelectrolysistechnologywasaddedtotreatmetalionscomprehensivewastewater.Afteradjustment,allindexesofpollutantindischargewastewaterwasuptofirstclassofcomprehensivewastewaterdischargedstandard(GB8978－1996).Keywords：electroplating;wastewatertreatment;design;industrypark(Fe)m(C)=41。。10d2。[Cu]max=0.37mg·L-1[Cu]min=0.06mg·L-1[Cu]ave=0.252mg·L-1GB8978－1996[14]。5、。、、。COD87mg·L-1SS64mg·L-1、。0.252mg·L-1GB8978－1996。。[1].[J].,2009,22(4):120-123.[2],,.[J].,2009,9:64-68.[3],,.[J].,2009,3(7):1233-1236.[4],,,.[J].,2009,22(3):65-69.[5].[J].,2000,22(2):6-8.[6].[J].,2002,22(3):25-29.[7].[J].,2003,28(2):59-60.[8],,.[J].,2003,29(6):363-365.[9].[J].,2003,23(5):36-37.[10],,.[J].,1997,(3):13-15.[11],,.[J].:,2005,24(1):107-111.[12],.[J].,2004,l24(6):433-435.[13].[J].,2007,l22(4):1-2.[14]GB8978-1996[S]./d12345678910/mg·L-1/mg·L-10.320.50.310.50.240.50.190.50.100.50.170.50.060.50.370.50.220.50.270.52Tab.2Theemissionconcentrationofcopperaftertransformation131