|
| 某钢铁厂地下水中重金属来源解析与风险评价 |
| Source Analysis and Risk Assessment of Heavy Metals in Groundwater in A Steel Plant |
| |
| DOI： |
| 中文关键词: 重金属 分布特征 来源解析 健康风险评价 地下水 |
| 英文关键词: Heavy metals Distribution characteristics Source analysis Health risk assessment Groundwater |
| 基金项目:国家自然科学基金资助项目（42072201）；安徽省高校协同创新基金资助项目（GXXT-2021-017）；北京建工环境修复股份有限公司科技基金资助项目（JGXF21-E04-T08） |
|
| 摘要点击次数: 253 |
| 全文下载次数: 113 |
| 中文摘要: |
| 以某废弃钢铁工业场地为研究对象，采集浅层地下水样品，探究其中8种元素（Cr、Cd、Fe、Mn、As、Zn、Ni、Cu）的空间分布特征、来源及对人体健康的影响。结果表明：研究区地下水中Fe、Mn的测定均值高于地下水Ⅲ类标准限值，8种元素含量分布呈现出一定的空间差异性，除Zn以外，总体上中部区域高于东部区域；8种元素主要有4种来源，分别为化石燃料燃烧及废水排放混合源、降尘源、自然源、炼钢排放源；饮水摄入是研究区主要的暴露途径，成人和儿童的非致癌综合风险值HI均＜1，处于可接受范围，As在饮用途径下对成人的ILCR高于最大可接受风险值1×10-4，可能存在潜在致癌风险。 |
| 英文摘要: |
| Taking an abandoned iron and steel plant as the research site， shallow groundwater samples were collected for analyzing the spatial distribution characteristics， sources and impacts on human health of 8 elements（Cr， Cd， Fe， Mn， As， Zn， Ni， Cu） The results showed that the mean measurements of Fe and Mn in groundwater of the study area were higher than Class Ⅲ standard limits for groundwater The contents of 8 elements were different in spatial distribution， which were higher in the central region than in the eastern region， with the exception of Zn There were 4 sources of the 8 elements， namely mixed source of fossil fuel combustion and wastewater discharge， dustfall source， natural source and emission source from steelmaking Drinking water intake was the main exposure route in the study area Non carcinogenic comprehensive risk values for adults and children were both less than 1， within acceptable range The ILCR of As for adults was higher than the maximum acceptable risk value of 1×10-4， indicating a potential carcinogenic risk. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
