透混凝土路面和建筑湿地综合系统的雨水下水污染控制性能:朝着现场再利用的方向发展
Jinhui Zhao, Lisha Shu1, Mengke Wu
1L.S. contributed equally to the work with J.Z. and should be considered a co-first author.
概括
一个结合透的混凝土路面和建造的湿地系统有效地处理城市雨水排水. 湿地的优化通风确保处理过的水符合再利用标准,从而实现可持续的城市水资源管理.
科学领域:
- 环境工程 环境工程
- 水资源管理 水资源管理
- 城市规划 城市规划
背景情况:
- 城市雨水排放造成了严重的水淹没,并降低了接收水质.
- 现有的处理方法往往难以满足城市排水的严格再利用标准.
研究的目的:
- 开发和评估一个结合透式混凝土路面 (PCP) 和建筑湿地 (CW) 系统,用于城市雨水处理和再利用.
- 优化PCP-CW系统,以满足雨水再利用标准,特别是营养物质的去除.
主要方法:
- 实施混合灰色-绿色基础设施方法,使用PCP,然后使用CW.
- 在不同的液压负载率下评估污染物去除效率 (SS,COD,TN,TP).
- 优化CW通风策略,以提高营养物质的去除,并满足重复使用标准.
主要成果:
- PCP实现了高度的悬浮固体去除 (96.61-99.20%),但不足的COD,TN和TP去除再利用.
- 结合PCP-CW系统显示,COD (48.45-75.12%),TN (47.26-53.05%) 和TP (59.04-75.28%) 的去除率中等.
- 在CW的中部和前部部分进行了优化通风,显著改善了TN的去除,满足了重复使用标准.
结论:
- 结合PCP-CW系统,优化通风,有效地处理城市雨水排水,以满足再利用标准.
- 这种综合方法为可持续的城市水资源管理和雨水再利用提供了可行的解决方案.
- 对优化通风的进一步研究可以提高城市水处理建设湿地的性能.
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