淮安市化工企业地下水污染预测与风险评价

马群宇; 卞雪; 刘楚烨; 赵言文

doi:10.13961/j.cnki.stbctb.2017.05.050

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淮安市化工企业地下水污染预测与风险评价

试验研究

- 淮安市化工企业地下水污染预测与风险评价
- Forecast and Risk Assessment of Groundwater Pollution in a Chemical Plant in Huai'an City, Jiangsu Province
- 水土保持通报 2017年37卷第5期页码：297-301
- 作者机构：
  
  南京农业大学资源与环境科学学院,江苏,南京,210095
- 作者简介：
- 基金信息：
  
  国家自然科学基金重点项目“农村发展中生态环境管理研究”（70833001）
- DOI：10.13961/j.cnki.stbctb.2017.05.050
  中图分类号：
- 纸质出版：2017
- 稿件说明：
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马群宇, 卞雪, 刘楚烨, 等. 淮安市化工企业地下水污染预测与风险评价[J]. 水土保持通报, 2017,37(5):297-301.

MA Qunyu, BIAN Xue, LIU Chuye, et al. Forecast and Risk Assessment of Groundwater Pollution in a Chemical Plant in Huai'an City, Jiangsu Province[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 297-301.
马群宇, 卞雪, 刘楚烨, 等. 淮安市化工企业地下水污染预测与风险评价[J]. 水土保持通报, 2017,37(5):297-301. DOI： 10.13961/j.cnki.stbctb.2017.05.050.

MA Qunyu, BIAN Xue, LIU Chuye, et al. Forecast and Risk Assessment of Groundwater Pollution in a Chemical Plant in Huai'an City, Jiangsu Province[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 297-301. DOI： 10.13961/j.cnki.stbctb.2017.05.050.

摘要

[目的] 评价地下水污染风险，为同类建设项目及企业自环评的地下水污染预测与风险评价提供一种简单有效的新方法。[方法] 建立基于过程模拟的溶质运移数学模型，对特征污染物高锰酸盐指数和镍的污染水平和污染范围进行预测，提出以保护地下水为目标的风险评价方法，以某化工厂为案例进行地下水污染风险评价。[结果] 突发事故后100 d，高锰酸盐指数最大迁移距离11.6 m，镍最大迁移距离10.8 m，分别超出厂界范围8.8和8.0 m；监测井2属较高污染风险等级，监测井3属中等污染风险等级。[结论] 特征污染物在地下水中的扩散速度快，对水质影响严重，因而运行期须对污染源加强跟踪监测、定期检查污水池防渗性能。

Abstract

[Objective] The risk of groundwater pollution was evaluated

in order to provide a simple and effective new method for groundwater pollution forecast and risk assessment of both similar construction projects and enterprises' independent environmental impact assessment.[Methods] A solute transport model based on the mathematical model of solute transport was established to predict the pollution levels of CODMn and Ni. And a risk assessment method for groundwater protection was developed to evaluate the groundwater contamination risk.[Results] After 100 d of a sudden accident

the maximum migration distance of CODMn was 11.6 m

for Ni

it was 10.8 m

having 8.8 m and 8.0 m spreads beyond the boundary of this factory

respectively. The monitor well W2 was determined as higher pollution risk level

and W3 as middle pollution risk level.[Conclusion] Pollutants such as CODMn and Ni in the groundwater diffuse rapidly

affect water quality seriously

so that track monitoring should be strengthened and the impermeability should be checked regularly.

关键词

Keywords

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