对真正的二次废水进行电化学消毒的全面评估:更高效,降低了二次化学风险?
Chengxu Jiang1, Peiyang Sang1, Dan Song1
1State Key Laboratory of Regional Environment and Sustainability, School of Environment, Tsinghua University, Beijing 100084, China.
Water research
|December 24, 2025
概括
废水的电化学 (EC) 消毒对于病原体的无活化比自由 (FC) 更有效. 电路消毒还提供了类似或较低的毒性风险,电极反转进一步减少了副产品的形成.
科学领域:
- 环境工程 环境工程
- 水处理技术水处理技术
- 消毒 化学 消毒 化学
背景情况:
- 二次废水消毒对于安全的回收水再利用至关重要.
- 免费 (FC) 消毒具有由于消毒副产品 (DBP) 形成的风险.
- 电化学 (EC) 消毒是一种潜在的替代方案,但其实际性能需要评估.
研究的目的:
- 评估EC消毒的有效性和实际二次废水中DBP的形成.
- 为了比较EC消毒与FC消毒,使用标准化有效等效剂量.
- 调查用于减轻DBP形成和EC消毒中毒性的策略.
主要方法:
- 对微生物无活化和DBP生成的EC消毒性能进行系统评估.
- 基于EC和FC的有效等效剂量的比较分析框架.
- 对DBP的计算和实验性毒性评估.
- 实施电极逆转策略以减少DBP的形成.
主要成果:
- 与FC相比,EC消毒显示出更高的微生物无活化效率和监测.
- 总DBP度高于EC,但总体毒性与FC相似或低于FC.
- 电极逆转显著降低了DBP的形成和毒性,而不会影响消毒的有效性.
结论:
- 欧共体消毒为回收水提供了增强的微生物风险控制.
- 电竞消毒是一种可行的FC替代品,具有可管理的二次化学风险.
- 电极逆转是一种有效的策略,用于在EC系统中协同控制微生物和化学风险.
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