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  

Distribution and Pollution Assessment of Heavy Metals in Soils around Typical Antimony Smelters--A Case Study of Zhonglian Township,Lengshuijiang City

作　　者：王舒晗 任伯帜[1] Wang Shuhan;Ren Bozhi(School of Civil Engineering,Hunan University of Science and Technology,Xiangtan 411110,China)

机构地区：[1]湖南科技大学土木工程学院,湖南湘潭411110

出　　处：《广东化工》2023年第6期125-129,共5页Guangdong Chemical Industry

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(GB 15618-1995),重金属分布图佐证了分布规律与特点。The research object of this study is the old science and technology park of Zhonglian Township,Lengshuijiang City.The sampling method is systematic point distribution,with a total of 30 sampling points.Based on pH,chromium,lead,cadmium,arsenic,antimony and mercury combined with the environmental background values of Hunan Province,two pollution assessment methods are used to assess the pollution of the spatial distribution of heavy metal content in combination with Arcgis10.3.Analyze the content of heavy metal data and make it meet the normal distribution.In addition,SPSS system was used to demonstrate the pollution source by correlation analysis and principal component analysis.Among them,the order of heavy metal accumulation index is Hg<Cr<Pb<As<Sb<Cd,and the correlation between Cd and As is strong.Cadmium also exceeded the national secondary standard value of soil environmental quality(GB 15618-1995).The distribution map of heavy metals supports the distribution rules and characteristics.

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 

分 类 号：TQ[化学工程]