腐殖土对活性污泥中重金属形态分布的影响

38220102()JOURNALOFTONGJIUNIVERSITY(NATURALSCIENCE)Vol.38No.2Feb.2010:0253374X(2010)02026305DOI:10.3969/j.issn.0253374x.2010.02.019:2008-11-20:(062307039):(1964),,,,.Email:[e-mail]吴敏,朱睿,魏传银,潘孝辉(,200092):0,0.5,1,2,35g(HS)1000mL20d,Tessier,,.,(F1),(F2)(F3)HS(0.9266,0.9310,0.9144,P0.01),(F4)HS(0.9304,P0.01);,F1F2HS(0.9027,0.9724,P0.01),F4(F5)HS(0.9188,0.9123,P0.01);,F2HS(0.7145,P0.05);,F3F4HS(0.7027,0.7635,P0.05),F5HS(0.7668,P0.05).,.:;;;:X703.1:AEffectsofHumusSoilonChemicalSpeciationofHeavyMetalsinActivatedSludgeWUMin,ZHURui,WEIChuanyin,PANXiaohui(StateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China)Abstract:Abatchtestwasmadetoevaluatethechangesofheavymetalchemicalspeciationinactivatedsludgewithhumussoil.Activatedsludgewithhumussoil(0,0.5,1,2,3,5g)mix20dinpolyethyleneflasks.ThefivestagesoftheTessiersequentialextractionmethodwereemployedtoinvestigatechangesinheavymetalfractionsofZn,Ni,CuandPbinactivatedsludgewithhumussoil.TheresultsshowthathumussoilaffectsthechemicalspeciationofZnandNiinactivatedsludgesignificantly.Zinc:ionexchange(F1)zinc,carbonatebound(F2)zincandironmanganeseoxidebound(F3)contentsandHSdosagehadsignificantnegativecorrelation(0.9266,0.9310,0.9144,P0.01),sulfidesandorganicbound(F4)andHSdosagehadasignificantpositivecorrelation(0.9304,P0.01).Nickel:F1andF2nickelandHSdosagehadsignificantnegativecorrelation(0.9027,0.9724,P0.01),F4nickelandresidual(F5)andHSdosagehadasignificantpositivecorrelation(0.9188,0.9123,P0.01).Copper:F2andHSdosagehadanegativecorrelation(0.7145,P0.05).Lead:F3andF4leadandHSdosagehadnegativecorrelation(0.7027,0.7635,P0.05),F5leadandHSdosagehadapositivecorrelation(0.7668,P0.05).AddinghumussignificantlyreducedthepotentialavailabilityofZnandNiinactivatedsludge.Keywords:activatedsludge;humussoil;heavymetal;speciation()130104t,10%.,()840104t.,,,.,,,...[1-2],,,.Tessier[3],5:(F1)(F2)(F3)(F4)(F5).[4-5],,;()38,,.5:F1,F2,F3,F4,F5.[6-7],,.,,,.11.1(AS),7300mg!L-1,(HS)60,.1.21.2.1ETHOS1(Milestone),CT15RT(),HHS(),Optima2100DV(ICPOES,PerlinElmer).1.2.2[8],1.1Tab.1PhysicalandchemicalparametersofthesludgeandhumussoilpH/%w(C)/(g!kg-1)w(H)/(g!kg-1)w(N)/(g!kg-1)w(P)/(g!kg-1)m(C)/m(N)AS6.8799.8333.251.254.125.106.2HS5.0518148.629.59.40.1415.81.2.3ASHSHClHNO3HFASHS,:0.125g,0.5mLHCl,6.0mLHNO33.0mLHF,ETHOS1(180∀)15min.50mL,0.5mLH3ClO4,(180~200∀),2.5mL1mol!L-1HNO3,0.25mLH2O25mL,,25mL,30mL.ICPOES.1.2.4Tessier[6]AS,:(F1):1.5g60AS,50mL,30mL1mol!L-1MgCl2,1h,4000r!min-120min,0.45m45mL.(F2):45mL1mol!L-1CH3COONa,6h,F1./(F3):45mL0.04mol!L-1NH2OH!HCl,5h,F1./(F4):10mL0.02mol!L-1HNO3,10mL30%H2O2,85∀16h,10mLH2O2,2h.15mL3.2mol!L-1NH4Ac,30min,F1.F5:,0.1g25mL,(5mL)(5mL)(2mL),,,,2%HNO3,25mL.ICPOES.1.2.562L1000mL(AS),0,0.5,1,2,3,5gHS,.20d,Tessier.,2mol!L-115min,3,.ICPOES.3,.22.1ASHS2.2642,:2Tab.2Concentrationoftotalheavymetalinsludgeandhumussoilw(Cu)/(mg!kg-1)w(Zn)/(mg!kg-1)w(Ni)/(mg!kg-1)w(Pb)/(mg!kg-1)AS223.021612.6633.03101.7HS24.23232.456.012.2pHHS,ASpH6.876.21(1).ASpHHS(0.9623,P0.01).,,,,pH.1pHFig.1EffectsofhumussoilonpHofsludge2.30,0.5,1,2,35gHS20d,ASZn,Ni,Cu,Pb2.2Fig.2Changesofheavymetalsspeciationwithhumussoil2a,:F1(7.2%),F2(15.8%),F3(49.8%)F4(16.1%),F5(11.1%),(F2)(F3),[9].2b,:F1(27.3%),F2(11.0%),F3(31.8%),F4(16.9%),F5(13.0%).HS,.HS,ASF17.2%1%,F215.9%6.2%,F349.8%36.3%,F4,16.1%44.7%,F5,11.1%11.8%;F127.3%17.9%,F211.0%5.0%,F416.9%22.6%,F513.0%20.0%,F3,34.5%.,F1,F2F3HS(0.9266,0.9310,0.9144,P0.01),F4HS(0.9304,P0.01).F1F2HS(0.9027,0.9724,P0.01),F4F5HS(0.9188,0.9123,P0.01).,.,,265()38,[10].,,[11],F4F4.Amir[12]Chirenje[13]F4.2c,:F1,F2(5.6%),F3,F4(73.4%),F5(21.0%);2d,:F1F2,F3(7.5%),F4(9.8%),F5(82.7%);(F4)(F5).Shrivastava[9]Fuentes[14],F2,F4,F5,F4F595%,F4F5.HS,F4(75.6%)F5(24.4%),F5.[1],[10,15],F2F4.Xia[16].[17],,F5[18].,F2HS(0.7145,P0.05),F3F4HS(0.7027,0.7635,P0.05),F5HS(0.7668,P0.05).2.4Elliot[4]Obrador[5]F1,F2F5,Perin[4]F1,F2,F3F4,F5,.3.m(!).3HSTab.3Potentialheavymetalsavailabilityinsludgewithhumussoil[m(F1)+m(F2)]/m(F5)[m(F1)+m(F2)+m(F3)]/[m(F4)+m(F5)]AS2.110.272.9502.690.062.350.08AS+0.5gHS1.630.272.5001.770.062.120.07AS+1gHS1.480.092.0401.580.021.840.03AS+2gHS1.350.041.6901.330.011.800.02AS+3gHS0.920.091.4800.980.021.610.02AS+5gHS0.6101.1300.7701.340.013,,,.,.,HS,,HS(0.9212,0.6709,0.8723,P0.05).,HS,,HS(0.7740,0.6788,0.9073,0.6919,P0.05).,HS,AS,.3(1):.,;,,.(2).,F1,F2F3HS,F4HS;,F1F22662,:HS,F4F5HS;,F2HS;,F3F4HS,F5HS.(3),.:[1]ZufiaurreR,OlivarA,ChamorroP.Speciationofmetalsinsewagesludgeforagriculturaluses[J].Analyst,1998,123:255.[2]AlonsoE,CallejonM,JimenezC.Heavymetalextractableformsinsludgeforwastewatertreatmentplants[J].Chemosphere,2002,47(1):765.[3]TessierA,CampbellPGC,BissonM.Sequentialextractionprocedureforthespeciationofparticulatetracemetals[J].AnalChem,1979,51(3):844.[4]ElliotHA,DempseyBA,MaillePJ.Contentandfractionationofheavymetalsinwatertreatmentsludge[J].EnvironQual,1990,19(3):330.[5]ObradorA,RicoMI,AlvarezJM,etal.Influenceofthermaltreatmentonsequentialextractionandleachingbehavioroftracemetalsincontaminatedsewagesludge[J].BioresourTe