2023年第6期广东化工第50卷总第488期www.gdchem.com·125·典型锑冶炼厂周边土壤重金属分布和污染评价——以冷水江市中连乡为例王舒晗，任伯帜*(湖南科技大学土木工程学院，湖南湘潭411110)[摘要]这项研究的研究对象为冷水江市中连乡老科技园区，采样方法采用系统布点法，共计采样点30个，对pH、铬、铅、镉、砷、锑、汞结合湖南省环境背景值为基础，使用两种污染评价方法，结合Arcgis10.3对重金属含量空间分布做出污染评价。对重金属的数据进行含量分析，并使其满足正态分布。此外，对于其污染来源用SPSS系统用相关性分析和主成分分析方法论证其污染源。其中重金属地累积指数大小顺序为汞＜铬＜铅＜砷＜锑＜镉，镉、砷相关性较强。镉同样超过了国家土壤环境质量二级标准值(GB15618-1995)，重金属分布图佐证了分布规律与特点。[关键词]重金属分布；污染评价；含量分析；相关性分析；主成分分析[中图分类号]TQ[文献标识码]A[文章编号]1007-1865(2023)06-0125-05DistributionandPollutionAssessmentofHeavyMetalsinSoilsaroundTypicalAntimonySmelters—ACaseStudyofZhonglianTownship,LengshuijiangCityWangShuhan,RenBozhi*(SchoolofCivilEngineering,HunanUniversityofScienceandTechnology,Xiangtan411110,China)Abstract:TheresearchobjectofthisstudyistheoldscienceandtechnologyparkofZhonglianTownship,LengshuijiangCity.Thesamplingmethodissystematicpointdistribution,withatotalof30samplingpoints.BasedonpH,chromium,lead,cadmium,arsenic,antimonyandmercurycombinedwiththeenvironmentalbackgroundvaluesofHunanProvince,twopollutionassessmentmethodsareusedtoassessthepollutionofthespatialdistributionofheavymetalcontentincombinationwithArcgis10.3.Analyzethecontentofheavymetaldataandmakeitmeetthenormaldistribution.Inaddition,SPSSsystemwasusedtodemonstratethepollutionsourcebycorrelationanalysisandprincipalcomponentanalysis.Amongthem,theorderofheavymetalaccumulationindexisHg＜Cr＜Pb＜As＜Sb＜Cd,andthecorrelationbetweenCdandAsisstrong.Cadmiumalsoexceededthenationalsecondarystandardvalueofsoilenvironmentalquality(GB15618-1995).Thedistributionmapofheavymetalssupportsthedistributionrulesandcharacteristics.Keywords:heavymetaldistribution；pollutionassessment；contentanalysis；co...
