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优化雨水排水处理:双阶段联动雨水园的作用

Shuangcheng Tang¹, Yongbo Song¹, Yani Wang²

¹College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225009, China.

Environmental research

|August 29, 2024

概括

一个经过改造的两阶段联动雨水花园 (TTRG) 显著提高了城市雨水管理. 这种改进的设计比传统的雨水花园 (TRG) 提供了优越的排水减少和营养物质的去除.

科学领域:

环境工程环境工程
城市水文学城市水文学
水质管理水质管理

背景情况:

传统的雨水花园 (TRG) 对城市雨水管理至关重要,但在排水调节和营养去除方面表现出不同的效率.
水文条件对TRG的性能有很大影响,需要改进设计以实现稳定的城市水资源管理.

研究的目的:

为了评估与TRG相比,改装后的两阶段联动雨水花园 (TTRG) 的有效性.
评估TTRG设计对在自然降雨条件下减少排水和去除污染物的影响.

主要方法:

从2011年到2013年,在自然降雨下对TRG和TTRG进行实验性监测.
对流量减少 (流量和峰值流量) 和污染物清除效率 (和物种) 的比较分析.
应用一级运动模型来量化污染物去除率.

主要成果:

与TRG相比,TTRG显示出明显更高的流量减少 (42.8%的增加) 和峰值流量减少 (36.2%的增加).
TTRG表现出增强的稳定性,降雨特征没有显著影响其流水减少性能.
在TTRG中观察到酸 (NO₃^--N) 度去除 (75.02%的增加) 和总 (TP) 和 (NH₃-N) 的负载去除显著改善.

结论:

与传统的雨水花园相比,双阶段联动雨水花园 (TTRG) 设计提供了更优越,更稳定的城市降雨排水调节.
通过优化水流路径,TTRG表现出改善的污染物净化效果,特别是酸,总和酸.
改装后的TTRG代表了提高城市雨水管理和水质的更有效,更可靠的解决方案.

关键词:

污染物去除污染物去除雨花园雨花园雨花园减少流失的减少.重要性的分析分析.两个阶段的两个阶段.

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