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炼场的多技术整合:可视化污染特征和迁移模式.

Lu Tang1, Wenwan Chen1, Xinghua Luo1

  • 1School of Metallurgy and Environment, Central South University, Changsha 410083, PR China.

Journal of hazardous materials
|July 28, 2023
PubMed
概括

这项研究使用3D可视化和高密度电阻断层扫描 (ERT) 来将土壤和地下水污染联系起来. 这些发现揭示了污染物分布受历史生产和地下水流的影响,使得有针对性的整治策略成为可能.

关键词:
受到污染的地点.电阻断层扫描 (ERT) 是一种电阻断层扫描.重金属的化物 (loid) 类型液压导电能力 液压导电能力土壤-地下水 地下水

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科学领域:

  • 环境科学 环境科学
  • 水文地质学 水文地质学
  • 地质物理学 地质物理学

背景情况:

  • 工业遗产带来了全球重金属污染的重大挑战.
  • 连接土壤和地下水污染对于现场整治至关重要,但缺乏综合研究.

研究的目的:

  • 开发一个3D可视化模型,整合土壤和地下水数据,用于污染物评估.
  • 分析土壤地下水系统中 (Pb), (Zn), (As) 和 (Cd) 的空间分布.
  • 为了将污染物分布与历史生产,物质类型,土壤特性和地下水流量相关联.

主要方法:

  • 利用来自高密度电阻断层扫描 (ERT) 的超过2600次测量进行了精确的土壤结构分析.
  • 开发了一个基于液压导电性 (R2 = 0.86) 的校准模型,以了解异型污染物运输.
  • 集成传统的勘探与非侵入性地质物理技术.

主要成果:

  • 污染物分布 (Pb,Zn,As,Cd) 和特定地点的因素之间有很强的相关性.
  • 校准模型有效地揭示了异型污染物运输,最大限度地减少了对广泛钻探的需求.
  • 成功地可视化了土壤地下水系统的内部状态.

结论:

  • 该研究提供了一个模板,用于描述炼场的水文地质条件和污染.
  • 想象土壤-地下水系统对于有效的现场污染控制至关重要.
  • 综合技术方法提高了对工业污染的理解和管理.