通过"自供应"的微生物电化学系统辅助的UV/H2O2工艺的家庭废水处理,以重复使用
Kaichao Yang1, Ibrahim M Abu-Reesh2, Zhen He1
1Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO 63130, USA.
Water research
|September 29, 2024
概括
本研究介绍了一种结合微生物电化学系统 (MES) 和紫外线/过氧化 (H2O2) 的新型综合系统,用于有效的家用废水处理和非饮用水再利用. 该系统有效地去除有机物和反抗性污染物.
科学领域:
- 环境工程 环境工程
- 水处理技术水处理技术
- 可再生能源系统可再生能源系统
背景情况:
- 国内废水为非饮用再利用提供了宝贵的资源,对于解决全球水资源短缺至关重要.
- 传统的废水处理方法经常与反抗性的有机化合物和新出现的污染物作斗争.
- 微生物电化学系统 (MES) 为废水处理和资源回收提供了一个有希望的途径.
研究的目的:
- 开发和研究一个集成的"自供应"废水处理系统,结合MES和UV/H2O2.2.
- 评估综合系统在消除化学氧气需求 (COD) 和反抗性污染物方面的效率.
- 评估处理过的家用废水中非饮用水再利用的潜力.
主要方法:
- 微生物电化学系统 (MES) 与UV/过氧化 (H2O2) 工艺的集成.
- 通过氧降解反应,在MES内部自给自足的H2O2.
- 将紫外线/H2O2 废水循环到 MES 阴解质.
- 实际的家庭废水的处理和污染物去除的分析.
主要成果:
- 实现MES>80%的COD降解和自供应18-20毫克L-1H2O2.
- 综合系统完全去除了迪克洛芬,并使大肠杆菌失活了>6个日志.
- 由于基生成和硫化物去除,观察到增强的紫外线/H2O2性能.
- 处理过的水质量符合非饮用水再利用指南.
结论:
- 集成的MES和UV/H2O2系统对于家庭废水处理和非饮用再利用是有效的.
- 该系统的"自给自足"性质提高了效率和资源回收.
- 对新出现的污染物清除和系统优化的进一步研究是有必要的.
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