不同粒径铅锌冶炼废渣中重金属分布特征

4《》2014-06-302014-07-202013055[2012]6009-7“211”[e-mail]*、[e-mail]。EnvironmentalScience&Technology38420154Vol.38No.4Apr.2015112*12111.2.550025Pb、Zn、As、Cu、Cd、Cr6、。Pb、Zn12151.83、13735.97mg/kgAs、Cu3031.25、2782.57mg/kgCd、Cr164.12、45.6mg/kg。Pb、Zn、As、Cu、Cd、Cr6p0.016p0.056。。X753Adoi10.3969/j.issn.1003-6504.2015.04.0291003-6504(2015)04-0149-06DistributionCharacteristicsofHeavyMetalsofDifferentParticleSizesinLead-ZincSlagMAZhanwei1WUYonggui12*FUTianling12ZHANGKunying1LYUHouli11.CollegeofResourceandEnvironmentalEngineering2.InstituteofAppliedEcologyGuizhouUniversityGuiyang550025ChinaAbstractAlargeamountoflead-zincslagisaccumulatedinNorthwesternGuizhoufromnumerousoutdatedlead-zincsmelteriesandaninvestigationwasconductedwithrespecttotheweatheredormechanical-crashedparticlesindifferentgraindiametersinwhichconcentrationsofsixspeciesofheavymetalincludingPbZnAsCuCdandCrwererespectivelyanalyzed.Theinvestigationsuggestedthatlead-zincsmeltingslaginNorthwesternGuizhouwasrichinheavymetalsofwhichZnandPbconcentrationwasthehighest13735.97mg/kg12151.83mg/kgrespectivelyfollowedbyAsCu3031.25mg/kg2782.57mg/kgrespectivelyandCdCr164.12mg/kg45.6mg/kgrespectively.Thetotalheavymetalcontainedinnaturalweatheredslagpresentedasignificantlynegativecorrelationwithgraindiametersizep0.01water-solubleandavailableconcentrationsofsixheavymetalsinslagincreasedwithdecreasingsizeofparticlesshowingsignificantdifferencesp0.05.Ontheotherhandastoslagmechanicallycrashedheavymetalcontentofdifferentgraindiametersizeswasalmostidenticalhoweverthefactaboutwater-solubleandavailableconcentrationswassimilartothatofthenaturallyweatheredslag.Inconclusiontheslagnaturallyweatheredwouldcauseheavierpollutionandincurrisktothesurroundingenvironmentthereforeeffectivemanagementoflead-zincslagisnecessary.Keywordslead-zincsmeltingslagdifferentparticlesizeheavymetalpollutionmigration38[1]。、、[2-3]。、、[4]。、、[5]。300。、。。、[6-11][12-14]、。、、。11.120~30cm。1.21。55、5~10510、10~20、20~60、60~100、100~200、20020073、5、10、20、60、100、2005、10、20、60、100、200。HNO3∶HClO4=4∶11%HNO3AAS2Zn、Pb、Cu、Cd、CrAFSAs。2∶=1∶10110±10/min8h16hAASZn、PbAFSAsICP-MSCu、Cd、Cr。31mol/LHCl10.00g150mL50.0mL1mol/LHCl110±10/min1.5hAASZn、Pb、Cu、Cd、CrAFSAs。1.3Excel2007Origin8.5.1DPS2000。2、。22.1616p0.01646100。6Zn3Zn909.95mg/kg200Zn13735.97mg/kg315Pb、Cu、AsCd、Cr。2.22226Cu、Crp0.05p0.05。66。6Zn30.1825mg/L50.1934mg/L、103.2154mg/L10~2003.7mg/LPb、As、CdZnCu、Cr。638。2.31mol/LHCl636p0.01。。6Zn3587.4mg/L200875.7mg/L。66。3[15]Pb、Zn、Cd、Cu、Hg、As、Ni、Fe、Mn、Cr[16]Pb、Zn、Cd、CuAs[17]。[18]6Zn18556.39mg/kgPb、Cu、AsCd、Cr。、。6。。6。、、、[19]。、4、、[20-21]6[1022]。[23-24]pHpH[25][11]、。41ZnPb、Cu、AsCd、Cr。Zn、Pb、Cu、As、Cd、Cr6。66。2Zn、Pb、Cu、As、Cd、Cr6。。[][1]PenillaSBordasFBollingerJC.Sequentialheavymetalsextractionfrompollutedsolidsinfluenceofsulfateovercon－centration[J].JColloidInterfSci200529220-28.[2]OyarzunRLilloJLopezGarciaJAetal.ThemazarronPb-Ag-ZnminingdistrictSESpainasasourceofheavymetalcontaminationinasemiaridrealmgeochemicaldatafromminewastessoilsandstreamsediments[J].JournalofGeochemicalExploration201016597-108.[3]IkemAEgieborNONyavorK.TraceelementsinwaterfishandsedimentfromTuskegeeLakeSoutheasternUSA[J].WaterAirandSoilPollution200314951-75.[4]DangZLiuCQHaighM.Mobilityofheavymetalsasso－ciatedwiththenaturalweatheringofcoalminespoils[J].En－vironmentalPollution2002118419-426.[5].[J].200514841-42.XueYazhouWangHaijun.ThestatusofleadandzincorecomprehensiveuttlizationinChina[J].ChinaMiningMag－azine200514841-42.inChinese[6].[J].200016436-3944.SunQingyeLanChongyuYangLingzhang.Chemicalpropertiesoflead-zinctailingsdisposalground[J].RuralEcoenvironment200016436-39.inChinese[7].[J].2002222109-113.WuPanLiuCongqiangYangYuangenetal.Heavymet－alsandtheirreleaseinthewastesresiduepileattheindige－nouszincsmeltingarea[J].ChinaEnvironmentalScience2002222109-113.inChinese[8].Cd-[J].2006254828-833.BiXiangyangYangYuangenFengXinbinetal.Cadmi－umcontaminationinthesoil-cropsysteminducedbylocialzincsmeltingactivitiesinHezhangCountryGuizhouProvince[J].JournalofAgro-environmentScience2006254828-833.inChinese[9].[J].20093711207-210.XiangFayunWangJianZhongZhuetal.Theenviron－mentalhazardsofindigenouszincsmeltingandenvironmen－talassessmentinababdonedmineareas[J].GuizhouAgricul－turalScience20093711207-210.inChinese[10].PbZnCd[J].20093072065-2070.LinWenjieXiaoTangfuZhouWanchunetal.Environ－mentalconcernsongeochemicalmobilityofleadandcadmi－umfromzincsmeltingareaWesternGuizhouChina[J].EnvironmentalScience20093072065-2070.inChinese[11].[J].20102961121-1126.WanLanLiuFangWangJianetal.Releasecharacteris－ticsofheavymetalsinPb/Zntailingsunderacidleachingandtheeffectsofleachingonplantseedlinggrowth[J].JournalofEcology20102961121-1126.inChinese[12]./[J].199232190-38194.YeZhihongChenGuizhuLanChongyuetal.EffectoftreaingPb/ZnminewastewaterwithTyphalatifoliapurifica－tionpondsystem[J].JournalofAppliedEcology199232190-194.inChinese[13].[J].20052591189-1194.WangBilinXieZhengmiaoSunYefangetal.Effectofphosphorusfertilizersonremediationofleadtoxicityinasoilcontaminatedbyleadandzincmining[J].ActaSc