电化学方法处理电镀废液的试验研究

:2004-09-17:(No1B061101):(1980-),,,:,:[phone],E2mail:[e-mail]:1004-9533(2006)01-0010-041,1,2,1,2,1,1,2(11,300072;21,300072):,,pH,:;;;:X78111:AElectrolyticTreatingofthePlatingWastewaterZHANGJing1,JIANGBin1,2,LIXin2gang1,2,LIURui2xuan1,SUNJin2sheng1,2(11SchoolofChemicalEngineeringandTechnology,TianjinUniversity,Tianjin300072,China;21NationalEngineeringResearchCenterofDistillationTechnology,TianjinUniversity,Tianjin300072,China)Abstract:Inthisarticle,theplatingwastewatercontainingheavymetalionswaselectrolyzedinanovelorganicglassreactorwhichwasfirstdesignedbytheauthor.Onthebasisoftheexperiment,theimportanceofslectingelectrodematerialwasdiscussed.Andtheinfluencingfactors,suchaspH,thespacebetweeneletrodes,electrodecoupledmanner,onremovalratewerestudied.Theoptimumconditionsoftheexperimenthavebeendetermined.Keywords:electrochemistry;platingwastewater;heavymetalions;removalrate,,,[1]Armstrong[2],,30,()[3],,,,,,,,,,1111[4],20061Jan.2006CHEMICALINDUSTRYANDENGINEERING231Vol.23No.11,2211cm1418cm1016cm,42211cm1115cm,WYJ20();PHS23C();DDS211A();,LZB()1112,pH=1162,Cr6+Zn2+CN-(mg/L)1341204114718148(G3/40mL),HITACHI180280,[5]2211,,[6],[7],Cr6+Zn2+CN-U=10V,I=012A,t=115h,11Cr6+Zn2+CN-,,95%,,(5#),Zn2+CN-,Cr6+,1R%Cr6+Zn2+CN-1#7015375104841212#991899912279103#731258511879104#9812379105#701209915990153212J2U2320,01661S/m,J2UPcm:1413;917;7115;3182J2UPcm:1413;1011;711;3173J2U11231:23,U,,,J2U213pH4,pH,Cr6+Zn2+CN-pH,pHpH415,pH2182,pH310510;,pH315515,pH415515Cr6+;Zn2+;CN-;Cr6+;Zn2+;CN-;4pHpHCr6+Cr6+,,OH-,Cr6+,Zn2+,CN-pH(pH6),Cr6+Zn2+,214[8](6),,;,,,5222,t=115h,0125m3/h2/V/AR%Cr6+Zn2+CN-1011014991899912279101011012951069819510110139812379101011012941939912121200612,,,,,,,95%3,()(),Cr6+Zn2+CN-22,,;,,pH,,,()pH,OH-:[1],.[J].,2000,26(3):130-135.[2]ARMSTRONGRD,TODDM.Selectiveelectrodepositionofmetalsfromsimulatedwastesolutions[J].JApplElectrochem,1996,26:379-384.[3],.[J].,2002,22(5):5-7.[4],,.[J].,2003,16(3):247-248.[5].()[M].:,1990.[6],,.[J].,2003,4:111-112.[7],,,.[J].,1999,3:39-41.[8],,,.[J].,2002,22(7):28-30.31231: