浮式处理对湿地覆盖率和操作参数对去除的影响:朝着设计优化方向
R Abi Hanna1, K E Borne2, Y Andrès3
1IMT Atlantique, GEPEA UMR CNRS 6144, F-44307 Nantes, France
概括
浮式处理湿地 (FTWs) 通过增加总去除量来增强废水处理,特别是在覆盖率更高的情况下. 用FTW改造现有湖,为气采集提供了一个可持续的解决方案.
科学领域:
- 环境工程 环境工程
- 废水处理技术 废水处理技术
- 生态工程生态工程生态工程
背景情况:
- 浮式处理湿地 (FTWs) 显示出改善废水质量的前景.
- 缺乏确定的设计准则阻碍了FTW的有效尺寸和实施.
研究的目的:
- 调查FTW覆盖率和液压保留时间对农业食品废水处理的影响.
- 为了确定最佳的FTW设计参数,以增强除.
主要方法:
- 在16个月的时间里,试点规模的实验包括4个6.5立方米的湖.
- 使用了真正的农业食品废水废水.
- 评估的FTW具有不同的覆盖率 (24%,48%,72%) 和控制 (0%).
主要成果:
- 与对照组相比,FTWs,特别是72%和48%的覆盖率,显著改善了总 (TN) 质量去除.
- L72配置实现了高达55%的N质量去除 (13%的平均增加).
- 增加的FTW覆盖率通过降低溶解氧水平促进了脱.
结论:
- FTW 覆盖率和液压保留时间是优化 TN 移除的关键因素.
- 用FTW改造现有湖,通过植物收获促进了的获取,并减少了沉积物N的重新动员.
- 溶解氧气,停留时间和温度是FTW中TN去除的关键驱动因素.
更多相关视频
08:49Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
Published on: May 15, 2017
10.6K
11:53Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
Published on: December 9, 2012
13.0K
相关概念视频
01:30Typical Model Studies
358
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
358
01:17Design Example: Analyzing Capacity Contours for Flood Risk Assessment
46
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
46