在分散的废水处理系统中减少病原体的有效策略
Marta Lois1, Matías Rivadulla2, Ravi K Chhetri3
1CRETUS, Department of Microbiology and Parasitology, CIBUS-Faculty of Biology, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain.
Journal of environmental management
|October 22, 2025
概括
使用膜生物反应器的分散废水处理有效地去除致病细菌和肠道病毒. 胡轻型斑点病毒 (PMMoV) 显示出在这些系统中作为病毒减少指标的潜力.
科学领域:
- 环境工程 环境工程
- 公共卫生 公共卫生
- 微生物学 微生物学
背景情况:
- 分散废水处理系统 (DWTS) 对于病原体的去除至关重要.
- 膜生物反应器 (MBR) 为减少传染病风险提供了一个可行的解决方案.
- 评估各种废水流中的病原体去除是必不可少的.
研究的目的:
- 评估MBRs在去除特定病原细菌和肠道病毒方面的有效性.
- 评估胡轻斑病毒 (PMMoV) 作为便污染生物标志物和病毒去除指标.
- 在城市和医院废水环境中比较MBR性能.
主要方法:
- 研究的致病细菌 (Klebsiella spp.,Enterococcus spp.) 已经被发现. 和肠道病毒 (诺罗病毒,沙波病毒,肝炎E病毒).
- 从两个分散的地点分析了废水:城市 (Demosite 1) 和医院 (Demosite 2).
- 利用PMMoV作为便污染和病毒减少评估的生物标志物.
主要成果:
- 在这两个地点,MBR显示了细菌 (>4.95 LRV) 和病毒 (>6.78 LRV) 的高去除率.
- 肠球菌 (Enterococcus spp.) 是一种细菌. 和诺罗病毒 (GI/GII) 是最具耐药性的病原体.
- 作为肠道病毒减少指标,PMMoV被证明是有效的.
结论:
- 分散的MBR系统可靠地减少致病微生物,增强公共卫生和环境安全.
- 无氧和无氧/有氧MBR配置在病原体无活化方面是有效的.
- 在分散的废水处理中,PMMoV是监测病毒去除的有希望的生物标志物.
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