过程参数对地下水循环井的运行效率的影响以及多目标优化设计
Shaoyin Chen1, Zixuan Huang1, Rui Zhou1
1Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, 130021, China; Jilin Provincial Key Laboratory of Water Resources and Water Environment, Jilin University, 130021, China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, China.
Journal of environmental management
|December 12, 2024
概括
优化地下水循环井 (GCW) 设计可以提高修复效率. 这项研究确定了屏幕长度,位置,流量和循环方法的最佳参数,改善了污染物去除和减少修复时间.
科学领域:
- 环境工程 环境工程
- 水文地质学 水文地质学
- 水资源管理 水资源管理
背景情况:
- 使用地下水循环井 (GCW) 技术进行地下水整治对于环境保护至关重要.
- 目前用于GCW结构和水力动力学参数的设计标准缺乏统一性,阻碍了最佳运行.
- 有效的设计对于最大限度地提高GCW在污染物清除中的效率至关重要.
研究的目的:
- 研究GCW结构 (屏幕位置,屏幕长度) 和水力动力学参数 (流量,循环方法) 对操作有效性的影响.
- 使用多目标方法开发GCW系统的优化设计策略.
- 建立GCW参数设计的理论工作流程,以支持实际应用.
主要方法:
- 用一个二维实验室规模的GCW系统进行物理实验.
- 采用权TOPSIS方法进行多目标优化.
- 评估参数包括屏幕长度,屏幕位置,流量和循环方法.
主要成果:
- 确定了最佳参数:屏幕长度为3厘米,从下屏幕到不透层的距离为17.5厘米,标准循环方法和12L/h的流量.
- 证明这些参数最大化了影响半径,影响面积和污染物去除率.
- 通过优化参数选择,实现了修复时间的最小化.
结论:
- 该研究提供了一个验证的理论工作流程,用于设计GCW过程参数.
- 选择最佳参数可以显著提高地下水整治效率.
- 这些发现支持GCW技术在环境修复中的实际和有效应用.
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