PDMDAAC系列絮凝剂的脱色性能研究

PDMDAAC赵华章栾兆坤(,,,100085)岳钦艳高宝玉(,,250100)(PDMDAAC),,,PAC.:,,;(VTMS);PDMDAAC,,;PDMDAAC,;PDMDAACPAC.:,,,.,,,[1].,(PDMDAAC),[25].,PDMDAAC,PAC.111DC506,UV754.(DMDAAC)(PDMDAAC),DMDAAC(AM)(P(DMDAACAM)),DMDAAC(VTMS)(P(DMDAACVTMS)),DMDAAC(P(DMDAACAMVTMS))[6].(K2BP),(SE6GFL),(PAC,21220023ENVIRONMENTALCHEMISTRYVol21,No.2March2002946%(Al2O3),76%(B=228),).1250L,5g,.100mgl-1,.(200rmin-1)500ml(DMDAAC,PACAl2O3),2min(60rmin-1),7min.20min,2cm,.221PDMDAACPDMDAAC,P(DMDAACVTMS),P(DMDAACAM)P(DMDAACAMVTMS),13.1,PDMDAAC,,,.,PDMDAAC,,.,,,,.,,PDMDAAC,;,PDMDAAC,.SO-3.PDMDAAC,SO-3,PDMDAAC,,,,.PDMDAACSO-3,PDMDAAC,,,.,PDMDAAC,.,PDMDAAC,,.2,P(DMDAACVTMS)PDMDAAC.,VTMS,;PDMDAAC,P(DMDAACVTMS).VTMS10%P(DMDAACVTMS),,VTMSP(DMDAACVTMS),,.3,P(DMDAACAM)P(DMDAACAMBTMS),.,,,,.P(DMDAACAM),,15021,PDMDAAC.,VTMSP(DMDAACAMVTMS)P(DMDAACAM),.1PDMDAAC1PDMDAAC[]=114dlg-12PDMDAAC[]=056dlg-13PDMDAAC[]=196dlg-1Fig.1TheefficienciesofdecolorizationofPDMDAACwithdifferentintrinsicviscosityintheliquorofactivatedred2PDMDAACP(DMDAACVTMS)1PDMDAAC[]=196dlg-12P(DMDAACVTMS)[]=214dlg-1,VTMS=5%3P(DMDAACVTMS)[]=219dlg-1,VTMS=10%Fig.2TheefficienciesofdecolorizationofPDMDAACandP(DMDAACVTMS)intheliquorofactivatedred1P(DMDACCAM)[]=326dlg-1=3875%2P(DMDACCAM)[]=508dlg-1=377%3P(DMDACCAM)[]=502dlg-1=205%4P(DMDACCAMVTMS)[]=491dlg-1=264%,VTMS=05%5P(DMDACCAMVTMS)[]=397dlg-1=362%,VTMS=1%3P(DMDAACAM)P(DMDAACAMVTMS)Fig.3TheefficienciesofdecolorizationofP(DMDAACAM)andP(DMDAACAMVTMS)intheliquorofactivatedred22PDMDAAC47.13PDMDAAC,(1/4),,,P(DMDAACAM)P(DMDAACAMVTMS).6(3)(1),3(3)(1);6(4),2025mgl-1,P(DMDAACAM).,,1512:PDMDAAC..,,,.,.4PDMDAAC1PDMDAAC[]=114dlg-12PDMDAAC[]=056dlg-13PDMDAAC[]=196dlg-1Fig.4TheefficienciesofdecolorizationofPDMDACCwithdifferentintrinsicviscosityintheliquorofdisperseyellow5PDMDAACP(DMDAACVTMS)1PDMDAAC[]=196dlg-12P(DMDAACVTMS)[]=214dlg-1,VTMS=5%3P(DMDAACVTMS)[]=219dlg-1,VTMS=10%Fig.5TheefficienciesofdecolorizationofPDMDAACandP(DMDAACVTMS)intheliquorofdisperseyellow6P(DMDAACAM)1P(DMDAACAM)[]=326dlg-1,=3875%2P(DMDAACAM)[]=508dlg-1,=377%3P(DMDAACAM)[]=502dlg-1,=205%4P(DMDAACAM)[]=800dlg-1,=162%Fig.6TheefficienciesofdecolorizationofP(DMDAACAM)withdifferentintrinsicviscosityandcationicityintheliquorofdisperseyellow7P(DMDAACAM)P(DMDAACVTMS)1P(DMDAACAM)[]=508dlg-1,=377%2P(DMDAACAMVTMS)[]=491dlg-1,=264%VTMS=05%3P(DMDAACAMVTMS)[]=397dlg-1,=362%VTMS=1%Fig.7TheefficienciesofdecolorizationofP(DMDAACAM)andP(DMDAACAMVTMS)intheliquorofdisperseyellow1522123PDMDAACPAC,PAC,8.8:PAC.,.,PAC,.,PDMDAAC,;PAC,,.,,.8(2)(6).1PAC,B=2282PDMDAAC[]=196dlg-1,30mgl-13P(DMDAACVTMS)[]=219dlg-1,VTMS=10%,30mgl-14P(DMDAACAM)[]=508dlg-1,=377%,40mgl-15P(DMDAACAMVTMS)[]=397dlg-1,=362%,VTMS=1%,40mgl-16PDMDAAC[]=196dlg-1,40mgl-18PDMDAACPACFig.8TheefficienciesofdecolorizationofPDMDAACflocculantserieswithPACintheliquorofactivatedred3(1)PDMDAAC,,.(2)PDMDAAC.,,,.,;,.VTMSPDMDAAC,.(3),PDMDAAC,,,.,.(4)PDMDAACPAC,,,,.,(),.,,PDMDAAC.VTMS,VTMS,.,PDMDAAC,.1532:PDMDAAC[1],,,1993,28(3)328335[2],,,,1996,9(4)544549[3]KerrEMichael,RameshManian.MethodforDewateringCoalTailingsUsingDADMAC/VinylTrialkoxysilaneCopolymersasaCoagulant.USPatent,5,476,522(19DEC1995)[4],,,(DMDAAC),1999,19(6)14[5],,,,2000,20(2)168172[6],,,P(DMDAACVTMS)P(DMDAACAMVTMS),2001,21(3)16192001410DECOLORIZATIONPROPERTYOFPDMDAACFLOCCULANTSERIESZHAOHuazhangLUANZhaokun(StateKeyLaboratoryofEnvironmentalAquaticChemistry,ResearchCenterforEcoEnvironmentalSciences,ChineseAcademyofSciences,Beijing,100085)YUEQinyanGAOBaoyu(SchoolofEnvironmentalScienceandEngineering,ShandongUniversity,Jinan,250100)ABSTRACTTheefficienciesofdecolorizationofPDMDAACflocculantserieswerestudiedinthetreatmentofsimulativewastewatercontainingactivateddyeanddispersedyerespectively.Theinfluencesofintrinsicviscosity,cationicity,andstructureofflocculantsontheefficiencyofdecolorizationwereinvestigated.ThemechanismofdecolorizationofPDMDAACflocculantserieswerediscussedandtheirefficienciesofdecolorizationwithPACwerealsotested.TheresultsshowthatPDMDAACflocculantseriescangiveexcellentefficienciesofdecolorization.Thegreatertheintrinsicviscosityandcationicity,thebettertheefficiencyofdecolorization.IntroducingVTMStotheflocculantscanenhancetheefficiencyofdecolorizationoftheflocculants.ThemechanismofdecolorizationofPDMDAACflocculantseriesismainlychargeneutralizationandadsorptionbridgeformation.UsingPDMDAACflocculantserieswithPACcanmaketheefficiencyofdecolorizationbetterandlowerthecostoftreatment.Keywords:dimethyldiallylammoniumchloridepolymer,flocculants,decolorization,wastewatercontainingdye.15421