LIU Yan-chen,QIXiang,DONGQian,et al.Microbial Aerosol Generation in Sewerage System and Its Prevention and Control Strategies[J].China Water & Wastewater,2022,38(22):1-7.
城市污水系统微生物气溶胶产生及其安全防控策略
- Title:
- Microbial Aerosol Generation in Sewerage System and Its Prevention and Control Strategies
- Keywords:
- sewerage system; pathogens; microbial aerosol; risk control
- 摘要:
- 针对城市污水收集、传输与处理过程中存在高致病性病原微生物通过气溶胶途径传播的风险，总结分析了建筑排水、市政污水管网、污水处理厂全流程的微生物气溶胶产生特点及其潜在病原微生物传播风险。从气溶胶病原微生物排放浓度水平、病原微生物种类及其传播过程等方面，解析了污水系统全过程的微生物气溶胶产生特征及其传播风险情况。提出了针对污水系统微生物气溶胶传播风险安全防控的策略，可为污水系统微生物气溶胶产生的病原微生物传播风险认识与安全防控提供支持。
- Abstract:
- Regarding the transmission risk of highly pathogenic microorganisms in aerosols generated from sewerage system, the microbial aerosol generation characteristics and its potential pathogens transmission risk in building drainages, drainage pipe networks and sewage treatment plants were summarized in this paper. The generation characteristics and the spread risk of microbial aerosols in the whole sewerage system were analyzed from the aspects of emission concentration level of aerosol pathogens, pathogens species and its transmission process. The prevention and control strategies on microbial aerosol transmission risk in sewerage system are proposed, which helps to understand and prevent the spread risk of pathogens from microbial aerosols in sewerage systems.
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