不同污泥中5种重金属总量与形态分析

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1961-),,,,.:100722853(2009)022002820451,2(1.,132022;2.,132002):CuZnCrPbCd.:ZnCuCrPbCd;CuZnCrPbCd.Cu,8487.58mg/kg;Cd,2.72mg/kg.BCR,2Cu;Zn;Cr;Pb;Cd.:;;:X703:A,.,,,70%90%.,,.,.,,,.[1].[2].,Tessier[35],1987,()TessierBCR,[6].,BCR,,.CuZnPbCrCd,5.11.17AS2986();HZQ2C();HH2S();VP32();TDL250B();FD22().1.2();();();();();();();();();();().©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2].(1):0.5000g,250mL,pH=7.012.5mL,,252h,20min,50mL;,10mL,15min,20min,,2,,0.45m,4.(2):(1)0.1mol/L20mL,,,2516h,20min,50mL,2,,0.45m,4.(3):(2)20mL0.5mol/L(HNO3,pH=2),,2516h,,(2).(4):(3)5mL30%(HNO3,pH=2),,251h,851h,,,5mL30%(HNO3,pH=2),851h;25mL1.0mol/L(HNO3,pH=2),2516h,,(2).(5):(4)200mL,3mL,6mL3mL,,.,,3mL1.5mL,1mL,2mL1+2,,,.0.45m,1%,50mL4.1.4.2,.22.11.4,,5,1.1/mgkg-1CuZnCrPbCd-0.294.057.630.25-7.807.2822.900.570.37329.048.9019.080.85209.53647.8628.3217.180.5534.7161.1246.9326.720.501.891.734.855.730.123.781023.007.2819.080.7517.402495.009.7113.361.596959.202339.5017.8015.271.001505.30229.0661.4941.980.75922,:5©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[79]Zn,Cu,CuZn.,,.Zn,,.,.3/mgkg-1CuZnCrPbCd244.611046.1195.4893.512.728487.586088.29101.1395.424.213,,CuZnCrPbCd,CuZn,,,032009©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(GB1891822002),,2,5.CrPbCd,CuZn,,,,,.43(mg/kg)(pH6.5)(pH6.5)800150020003000600100030010005203GB18918220023(1),5,Zn,CuPbCrCd;5:CuZnPbCrCd.(2)CuZnCr,,;CdPb,,,.CuZnPbCr,Cd.(3)CuZn,,,Zn.(4).25,,3.(5),,,,,.,,...:[1]P.Flyhammar.Useofsequentialextractiononanaero2bicallydegradedmunicipalsolidwaste[J].TheSci2enceoftheTotalEnvironment,1998,212:203-215.[2].[J].,2007,6(6):48-49.[3],,,.[J].,2002,11(18):51-52.[4],,.[J].,2007,26(1):53-56.[5],,,.[J].(),2007,35(2):121-124.[6],,,.BCR[J].,2007,26():17-20.[7],,,.[J].,2003,23(5):561-569.[8],,,.[J].,2007,26(5):1982-1987.[9],,.[J].,2004,23(6):1102-1105.(39)132,:5©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[J].,2006,16(12):1459-1460.DeterminationofheavymetalsincornleavesbyatomicabsorptionspectrophotometryXIEYing1,CAOYan2ni2(1.CollegeofEnvironmentalandBiologicalEngineering,JilinInstituteofChemicalTechnology,JilinCity132022,China;2.GeologicExplorationInstitute,LiaoningBureauofGeologyandMineralExplorationforMetallurgy,Anshan114038,China)Abstract:Determinationofheavymetalsinplantsisthefoundationtostudymigrationandenrichmentofheavymetalsinthesoil2plantsystem.Thecornplantsarepretreatedbywetdigestionmethods,inwhichthezinc,cop2per,lead,chrome,cadmiuminthedigestingaquaofthecontaminatedplantareanalyzedbytheflamesatomicabsorptionspectrophotometry.Themethodsaresimpleandaccurate.TheRSDofthezincinthecornplantsis6.4%,theRSDofthecopperis1.6%,theRSDoftheleadis1.1%,theRSDofthechromeis2.8%,andtheRSDofthecadmiumis7.7%.Therecoveryofzincis80.3%85.1%,therecoveryofcopperis81.1%82.0%,therecoveryofleadis91.3%94.7%,therecoveryofchromeis88.7%90.7%,therecoveryofcadmiumis83.3%.Themethodisapplicableforthedeterminationoftheheavymetalsinthecornplant.Keywords:atomicabsorptionspectrophotometry;cornplant;heavymetal;determination(31)TotalamountandspeciationanalysisonfivekindsofheavymetalsindifferentsludgeDENGMin1,WANGWei2(1.DepartmentofPersonnel,JilinInstituteofChemicalTechnology,JilinCity132022,China;2.PetrochinaJilinPetrochemicalCompanySalemanayementDepartment,JilinCity132002,China)Abstract:Thetotalamountandspeciationof5kindsofheavymetalsCu,Zn,Pb,Cr,andCdinthesludgefromWastewaterTreatmentPlantofJilinPetrochemicalCompanywasstudied.Theresultsshowthatthecon2centrationsofheavymetalsinsludgesamplesfromtheneutralizetreatmentworkshopintheorderfromhightolowisZnCuCrPbCd;andtheconcentrationsofheavymetalsinsludgesamplesfromsludgetreatmentworkshopisCuZnCrPbCdThetotalconcentrationsofCu8487.58mg/kgwerehigherthanthose.ThetotalconcentrationsofCd2.72mg/kgwerelowerthanthose.TheresultsoftheBCRsequentialextractionindicatethatCuisdistributedmainlyintheoxidizablestateandresidualstate,andZnmainlyinoxidizablestateandrestorestate,Crmainlyintheresidualstate,Pbisdistributedmoreevenly,Cdmainlyinrestorestatein2kindsofsludge.Keywords:sludge;heavymetals;speciationanalysis932,: