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Mesocosm-Scale Constructed Wetland Design for Wastewater Treatment
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使用先进技术开发和测试一套用于城市废水处理和灌的新型紧系统
Abdel-Hameed M El-Aassar1,2, Heba Isawi1,2, Mohamed E A Ali1,2
1Water Treatment and Desalination Unit, Hydrogeochemistry Department, Water Resources and Desert Soils Division, Desert Research Centre, P.O.B. 11753, Cairo, Egypt.
Scientific reports
|December 8, 2025
概括
一个新的紧型废水处理系统有效地灌作物,减少了总溶解固体的50.7%,并符合埃及标准. 这种分散的解决方案为面临水资源短缺的农村农业社区提供了一种具有成本效益的方法.
科学领域:
- 环境工程环境工程
- 水资源管理 水资源管理
- 农业科学 农业科学
背景情况:
- 全球日益严重的水资源短缺和粮食需求需要创新的灌解决方案.
- 对于小型农业社区来说,集中式废水处理 (WWT) 系统往往在经济上是不可行的.
- 分散的WWT系统为农村地区提供了更容易获得和更具成本效益的替代方案.
研究的目的:
- 为农作物灌而设计的新型,紧的城市废水处理 (WWT) 系统进行介绍和评估.
- 评估系统在去除主要离子,重金属和微生物污染物方面的效率.
- 为了确定是否处理的废水符合食用作物的灌标准.
主要方法:
- 整合了四种WWT技术:超过膜生物反应器,机械选,扩展通风和移动床生物膜反应器.
- 综合采样和实验测试,以评估系统性能.
- 分析主要离子,重金属离子,大肠杆菌和总微生物数量.
主要成果:
- 总溶解固体 (TDS) 减少了50.7% (从2348.8到1157.2毫克/升).
- 重金属离子的去除率从25%到98.9%不等.
- 虫和总微生物数量分别下降了81%和18%.
结论:
- 紧的WWT系统显著改善了废水质量.
- 经过处理的废水符合埃及食用作物的灌标准.
- 该系统为农村农业环境中的市政WWT提供了实用和可持续的解决方案.
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