Ni2W合金电镀有机废水处理新方法

Ni2W(,510275)(,518049)Ni2W,:,Ni2W1,,2(),,,,,,2211Ni2W,pH(214),,,Ni2W,(EDTA)(C3H4(OH)(COOH)3),Ni2+,(1413),,,Ni(OH)2,,,CO2H2O,Ni2+[1,2]:,2,,,,(OH),2122,:(1)()110gPL(270gPL);1316m3Pd(2)()100mgPL(30gPL);CODCr600mgPL(1200mgPL);1316m3PdNi2WOFR4120042221©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2,,,,,,pH691;2;3;4;5;6;7;8;9;10;11;12131415;16;173311pH510610,,,Ni2WNi2+2,,,312,3,pH1152,ORP,ORP150,(),pH,pH78,Cr6+,Cr3+:Cr2O2-7+3HSO-3+5H+=2Cr3++3SO2-4+4H2ONaOH,:Cr3++3OH-=Cr(OH)3Ni2++2OH-=Ni(OH)2,MiltonpHORP,,AB,,2AB,,A,pHORP,B,,,313,,,,,,pH69,[3],,3a5120042221©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Ni2WNi2+PCODCrPmgL-1Ni2+PmgL-1199917246171126150109200017158351838201620011718915132001282002172153011701201134,,2a:,1,..,1997.23(6)354.2,,..(),1998.37(4):80.3.().:,1989.510275510275(020)[e-mail]2002-12-03(,621900),,1,,,,,,,,,,2:(1),,(2)NH32N,,mgPL[1](3);,,C1-SO42-Ca2+Mg2+(4),1,BOD5PTP300,100[2]1[3]mgPL(pH)2a10a2a10aBOD520003000010000100200pH4157156616715TOC150020000600080160CaCO3300100003500200500SS2002000500100200Ca200300010001004001080020080120Mg5015002505020054025510K200100030050400TP510030510Na20025005001002004802048CI2003000500100400CaCO310001000030002001000S501000300205050120060202006120042221©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.RESEARCHDEVELOPMENTANDTENDSOFHIGHEFFICIENTANAEROBICREACTORSHeLianshengetal(7)AbstractInthispaper,thedevelopmentofefficientanaerobicbioreactorsisreviewed.Principles,characteristicsandapplicationresearchsituationsofupflowanaerobicsludgeblanket(UASB)reactor,expandedgranularsludgeblanket(EGSB)reactorandinternalcyclicreactor(IC)areintroduced.Throughanalysis,thefutureresearchemphasisinChinashouldbeputonthethirdgenerationanaerobicreactors.Keywordsefficientanaerobicbioreactor,UASB,EGSBandICSTUDYONDEGRADATIONOFDYESTUFFINTERMEDIATEWASTEWATERLiYingetal(11)AbstractAfterthepre2treatmentofelectrolysisandevaporationofalldyestuffintermediatewastewater,theremovalofCODCrcanbeincreasedbymorethan75%thanthewastewatertreatedonlybyevaporation,whichmakesthedosageofactivatedcarbonforfollaw2uptreatmentbedecreasedbynearly80%.Theoperationcostofallwastewaterisreducedgreatly.Keywordsdyestuffintermediate,electrolysisandpre2treatmentANEWMETHODOFTREATINGNi2WALLOYELECTROPLATINGORGANICWASTEWATERChenXuqunetal(14)AbstractInthispaper,anewmethodforthetreatmentofelectroplatingorganicwastewatercontainingNi2Walloyshasbeenappliedintheoxido2flocculationreactor(OFR)whichwasdevelopedourselves,andtheoriginaltechnologyoftreatingelectroplatingwastewaterwasreformedbydiffluentdisposal.Theresultofrunningthewastewatertreatmentprocessshowsthatthistreatmenttechnologyhassomeadvantages,suchaslowcapitalinvestmentandoperatingcosts,hightreatmentefficiency,stableoperation.Theeffluentqualitycanfullymeettheemissionstandard.KeywordsOFR,Ni2WalloyelectroplatingorganicwastewaterandwastewatertreatmentDESIGNOFLEACHATETREATMENTSYSTEMFORSANITARYLANDFILLSunDongetal(16)AbstractThispaperintroducesseveralimportantanddifficultcountingparametersforthedesignofthedisposalsystemofleachateinalandfillaswellasdisposaltechniquesandresultsofleachatesofafewtypicallandfillsathomeandabroadandthenproposessomesuggestionsonthebasisofwhich.Keywordsdomesticrefuse,sanitarylandfill,disposalofleachate,parametercalculationandengineeringdesignEFFECTSOFNaClSALINITYONACTIVATEDSLUDGETREATMENTSYSTEMCuiYouweietal(19)AbstractThisstudywasinitiatedtotreatsalinesewageresultingfromuseofseawaterfortoiletsbySBRprocessandtodeterminetheNaClsalinityeffectsontheactivatedsludgetreatmentsystem.Experimentswereconductedundervarioussalt2loadingconditionstoinvestigatesuchastreatmentculture,organicmatterremoval,sludgesettlingcharacteristicsandtheruleofDOvaryingwithtime.Thestudyfoundthathighsalinityinhibitedthemicrobialgrowthanddecreaseorganicmatterdegradingvelocityandremovalefficiencywhilemicrobialrespirationandcelllysiswerestrengthened.Keywordsuseofseawaterforflushingtoilets,activatedsludge,salinesewageandsalinityPROGRESSINRESEARCHONTREATINGURBANSEWAGEBYHIGHRATEBIOFILTERBukuruGODEFROIDetal(22)AbstractApilotstudyofahigh2ratebiofilterwasconductedatasewagetreatmentplantwithwastewaterhavingaBOD5of118mgPL.Hydraulicloadingdidsignificantlyaffectremovalsoverarangeof1026m3Pm2d.UnderH.L.=10m3Pm2doperatingconditionsthereactor2ENVIRONMENTALENGINEERINGVol122,No11,February,2004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.