[1]李基强,尹 翀*,于晓静.doi: 10.3969/j.issn.1001-3849.2025.05.013电镀厂址土壤重金属污染分布特征及修复路径探讨[J].电镀与精饰,2025,(05):86-94.
　Li Jiqiang,Yin Chong*,Yu Xiaojing.Investigation on the distribution characteristics and restoration pathways of heavy metals in soil at an electroplating plant[J].Plating & Finishing,2025,(05):86-94.
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doi: 10.3969/j.issn.1001-3849.2025.05.013电镀厂址土壤重金属污染分布特征及修复路径探讨()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年05
页码:
86-94
栏目:
出版日期:
2025-05-31

文章信息/Info

Title:
Investigation on the distribution characteristics and restoration pathways of heavy metals in soil at an electroplating plant
作者:
李基强; 尹 翀*; 于晓静
(济南市生态环境监控中心,山东 济南,250399)
Author(s):
Li Jiqiang;  Yin Chong*;  Yu Xiaojing
(Jinan Ecological Environment Monitoring Center, Jinan 250399, China)
关键词:
电镀; 土壤; 重金属; 风险评估; 管控修复
Keywords:
electroplating;  soil;  heavy metals;  risk assessment;  controlled restoration
分类号:
x53
文献标志码:
B
摘要:
调查并分析典型电镀厂址土壤重金属污染的分布特征、进行风险评估及管控修复，是该类场地安全再利用的必要工作。在调查某电镀场地土壤重金属污染现状的基础上，定量分析了不同深度土壤的重金属空间分布特征和污染区域。场区内重金属污染与电镀厂生产功能分区相对应，说明重金属主要来源于电镀液泄漏。由于该场区填土层以下为渗透性较差的粉质黏土和中等风化岩，不利于重金属污染物向土壤深层迁移，因而重金属污染物主要集中在表层土壤。风险评估六价铬污染物的土壤致癌风险为1.45×10?4，大于10?6；三价铬的土壤非致癌危害商为2.12，大于1，均超过了人体健康风险可接受水平。在评估地块应修复区域时，通过空间上不超标点连线的方法估算，采用Ordinary Kriging(普通克里金插值法)进行修整，优化了修复区域边界轮廓线，并探讨了可行的管控修复方案。
Abstract:
Investigating and analyzing the distribution characteristics of heavy metal pollution in typical electroplating site soil, conducting risk assessment and management and restoration, is a necessary task for the safe reuse of such sites. Based on the current status of heavy metal pollution in electroplating site soil, the quantitative analysis was conducted to investigate the spatial distribution features and pollution areas of heavy metals at different soil depths. The heavy metal pollution in the site is corresponding to the production function division of the electroplating plant, indicating that the heavy metals mainly come from the leakage of electroplating solution. Due to the poor permeability of the fill soil layer below the site, which is composed of poorly consolidated clay and medium weathered rock, it is difficult for heavy metal pollutants to migrate to deeper soil layers. Therefore, the heavy metal pollutants are mainly concentrated in the surface soil. The soil carcinogenic risk of hexavalent chromium pollutant is 1.45×10?4, which is greater than 10?6; the non-carcinogenic risk of trivalent chromium pollutant is 2.12, which is greater than 1, both of which exceed the acceptable level of human health risk. When estimating the restoration area of the assessment site, the method of connecting non-exceeding points in space was used, and the Ordinary Kriging (ordinary Kriging interpolation method) was used for refinement to optimize the boundary contour of the restoration area and explore feasible management and restoration schemes

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更新日期/Last Update: 2025-05-19