电镀废水化学综合处理

:100123849(2001)0320043203a;;;;;(,518054):250m3,,,,,:;;:X78111;X703:AAComprehensiveChemicalTreatmentMethodforElectroplatingWasteWaterWUWen,GONGBen2tao,LIMao2kang,FANYu,TANGJi2lu,YUANHao(ChanghongtaiEnvironmentProtectionEquipmentCo.Ltd.,Shenzhen518054,China)Abstract:Anironwareelectroplatingfactoryeffluentswastewaterfor250m3adayafterreforma2tion.Thetreatmentofthewastewaterhasbeendesignedaccordingtothevolumeandqualityofthewastewatereffluentedfromthefactoryandcombiningthenationalwastewaterdischargestandard.Wastewaterscontainingcyanide,chromium,nickelandacidandalkaliaredischargedseparately.Andthentheyaretreatedrespectively.Thedesignprinciple,processmachinism,treatmentmethodandtroubleremovalintheoperationarebriefintroduced.Keywords:electroplating;wastewater;chemicaltreatment1,,:Cr6+CN2Ni2+Zn2+Cu2+315m3öh;315m3öh;115210m3öh;410415m3öh;24,250m3öd:pH=312;515mgöL;CN250100mgöL;Ni2+20453420015233(138)a:2000208209:(19682),,,,1©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.mgöL;Zn2+1502000mgöL;Cu2+1530mgöL;Cr6+515mgöL;SS(,100nm,)300900mgöL;CODCr(,K2Cr2O7mgöL)150500mgöL;2,,,,,,,,11,,,115210t,,30%40%,,,;,;;,,,[1]3,,,,,,,,,,,,,,,pHORP(2),,;,;,;pHORP,pHORP,,,44May2001PlatingandFinishingVol.23No.3©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,pH,pH810,,,,,,,50%,,[1,2]4,8:pH715818;Cr6+01010145mgöL;Ni2+01020150mgöL;Zn2+011411mgöL;Cu2+01030180mgöL;SS10100mgöL;CODCr50120mgöL;,,pH,:1),,ORP=300350mv,Cr6+,ORP=250300mv,,,,,2)pHMILTON,,pHpH,,pH015018,,,,,;pH(pH=479)12;();,,4,pH,115210öt,,t1:[1]1,[M]1:,2000122322361[2],,1[M]1:,2000179,192,2641,,,,,,120148;130;180:55,:100053::0981106810001::010283154081200092,1987,,,16100:92(:300072):022227403647:0222274027425420015233(138)©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.