生物保留系统的营养物质漏动态:设计参数及其相互作用的影响
Ghazal Jalali1, Anton Skorobogatov1, Jianxun He1
1Civil Engineering, Schulich School of Engineering, University of Calgary, 2500 University Dr NW, T2N 1N4, Calgary, Canada.
The Science of the total environment
|December 27, 2025
概括
生物保留系统的设计显著影响营养物质的漏. 粘土土介质和木质植被在减少和酸盐漏方面最有效,这对环境保护至关重要.
科学领域:
- 环境工程 环境工程
- 水质管理水质管理
- 可持续的城市排水系统
背景情况:
- 从生物保留系统中出营养物质会给环境带来风险.
- 优化生物保留设计是减轻营养污染的关键.
研究的目的:
- 研究设计参数对生物保留系统中营养物质浸出的影响.
- 量化介质类型,植被和不透与透的比对营养物质去除的影响.
主要方法:
- 从2017年到2021年,监测24个具有不同介质 (砂岩,粘土,粘土),植被 (木质,草本,草草) 和不透比率 (15,30) 的生物保留细胞.
- 分析外流中的营养度,以确定污染物去除率 (PRR).
主要成果:
- 粘土粘土介质 (CL) 的营养漏率最低,反应性 (RP) 和酸盐 (NO3) 的PRR最高.
- 与草和草相比,木质植被显著增强了RP去除 (2-3倍高的PRR).
- 随着时间的推移,的化变化比更明显,介质类型是P变化的主要驱动因素.
结论:
- 生物保留系统的设计,特别是媒介和植被的选择,对于尽量减少营养物质的漏至关重要.
- 了解营养物质漏的动态性质,可以为改善水质的有效生物保留系统管理和设计提供信息.
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