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,,,(,150090):pH,,,80%,,,,:;;:X144:A:100326504(2005)0120021203,,,,,1mg,,,,,;,;,;,[1];:1)(immobilization),,;2)(mobilization),[2],,11.1,;,;(1000gPb2+/kg):1.6gPb(NO3)2900mL,1000g,:(HIT.2002.68):(1970-),,,,,()0451-86283007()139366482847d1.2(AAS)();();();pH()1.31.3.1pH5g,20mL0.1%CaCl2,10min,pHpH[3]1.3.2,,10524h,,1.3.32cm,,0.2g100mL,10mL,24h,50mL,AAS,1.3.4500,21,,,,,,3mm,8mm,35V,,12,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,32,30V,20V,,7d3.1pHpH2,,20V30V,pH(1.3),,,pH9.9pHH+,pH,OH-,pH30V20V,30VpH,(4.8),85%pH3.23,,,,,3.34,,,340mA220mA,41h,,,;,,,3.45,7cm,1090mg/kg;915cm,240mg/kg;17cm,,30V2604mg/kg,20V3512mg/kg;,30V20V1227mg/kg1327mg/kg,,17cmpH,,4:(1),2228120051©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,pH,;(2),,,,pH,,,[][1]LisbethMOttosen,HKHansen,AlexandraBRibeiro.RemovalofCu,PbandZninanappliedelectricfieldincalcareousandnon2calcareoussoils[J].JournalofHaz2ardousMaterials,2001,B85,2912299.[2],,.[J].,2002,13(6):7572762.[3]Cheng2NonHSU.Electrokineticremediationofheavymetalcontaminatedsoils[D].TexasA&MUniversity,1997.(2003209226;2004202203)(13)2.7pHpHN11pH8,pH7N11170r/min,200r/min232.8N11N11:20g,0.5g0.5g0.2gNaCl5g1000mL,pH7,30,170r/min,72hN11,90%3N11,N11,,,N11:20g0.5g0.5g0.2gNaCl5g1000mlpH7.030170r/min72hN11,90%[][1],,,.[J].,1995,35(2):1212129.[2],,.[J].,2000,21(1):23226.[3],,.[J].,1999,12(4):9211.[4]JinSN,GiSK,SangOL,etal.BioflocculantProducedbyAspergillussp.JS242[J].Biosci.Biotech.Biochem,1996,60(2):3252327.[5]TakagiH,KadowakiK.FlocculantproductionbyPeacilomy2cessp.taxonomicstudiesandcultureconditionsforproduction[J].AgricBiolChem,1985,49(11):315123157.[6]ToedaK,KuraneR.MicrobialflocculantfromAlcali2genescupidusKT201[J].AgricBiolChem,1991,55(11):279322799.[7]KuraneR,TakdaK,SuzukiT.Screeningforandcharac2teristicsofmicrobialflocculants[J].AgricBiolChem,1986,50(9):230122307.[8]ZhangJ,LiuZ,WangS,etal.Characterizationofabio2flocculantproducedbythemarinemyxobacteriumNanno2cystisspNU22[J].ApplMicrobiolBiotechnol,2002,59(4-5):5172522.[9]YokoiH,YoshidaT,HiroseJ,etal.Biopolymerfloccu2lantproducedbyanPseudomonassp[J].BiotechnologyTechniques,1998,12(7):5112514.(2003209201;2003211227):20046,,:71006932,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.