通过PRB和LPB对被动酸矿井排水处理的审查:从设计,测试,到施工
Yu Wang1, Chunrong Wang1, Rongfei Feng1
1School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, China.
Environmental research
|March 2, 2024
概括
透反应屏障 (PRB) 是一种成本效益高且稳定的被动修复方法,用于酸性矿井排水 (AMD). 本研究评估了PRB系统,材料选择和设计,以长期管理AMD.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 水资源管理 水资源管理
背景情况:
- 酸性矿井排水 (AMD) 是一个主要的环境问题,导致水中的pH值低,金属/硫酸盐度高.
- 现有的AMD修复方法,如纳米过和石灰中和,是昂贵的和不可持续的.
- 透反应屏障 (PRBs) 是一个有前途的被动整治方法,特别是在废弃的矿山.
研究的目的:
- 综合评估透反应屏障 (PRB) 系统用于酸性矿井排水 (AMD) 整治.
- 为污染地下水管理引入低透性屏障的概念.
- 详细介绍材料选择,设计,施工以及AMD屏障技术的挑战.
主要方法:
- 文献综述和现有关于AMDPRB系统的研究综合.
- 对影响PRB疗效的材料选择标准和物理化学因素的分析.
- 讨论设计,施工策略和障碍技术的未来前景.
主要成果:
- PRB系统被认为是AMD的成本效益和稳定的被动整治方法.
- 讨论了影响PRB长期性能的关键因素,包括材料特性和设计.
- 该研究强调了PRB技术对废弃矿山带来的环境挑战的适用性.
结论:
- PRB技术为酸性矿井排水整治提供了一个可持续和经济的解决方案.
- 对材料选择和设计优化的进一步研究对于提高PRB的长期疗效至关重要.
- 屏障技术,包括低透性屏障,对于管理采矿活动污染的地下水具有重大潜力.
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