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Sources, fates and treatment strategies of typical viruses in urban sewage collection/treatment systems: A review

文献类型: 外文期刊

作者: Li, Jianju 1 ; Liu, Jing 1 ; Yu, Hang 1 ; Zhao, Weixin 1 ; Xia, Xinhui 1 ; You, Shijie 1 ; Zhang, Jun 1 ; Tong, Hailong 1 ; Wei, Liangliang 1 ;

作者机构: 1.Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resources & Environm SK, Harbin 150090, Peoples R China

2.China Univ Petr, Sch Geosci, Qingdao 266580, Peoples R China

3.Chinese Acad Agr Sci, Harbin Vet Res Inst, Harbin 150069, Peoples R China

关键词: Virus; Fate; Collection systems; WWTP treatment units; Removal

期刊名称:DESALINATION ( 影响因子:11.211; 五年影响因子:10.657 )

ISSN: 0011-9164

年卷期: 2022 年 534 卷

页码:

收录情况: SCI

摘要: The ongoing coronavirus pandemic (COVID-19) throughout the world has severely threatened the global economy and public health. Due to receiving severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from a wide variety of sources (e.g., households, hospitals, slaughterhouses), urban sewage treatment systems are regarded as an important path for the transmission of waterborne viruses. This review presents a quantitative profile of the concentration distribution of typical viruses within wastewater collection systems and evaluates the influence of different characteristics of sewer systems on virus species and concentration. Then, the efficiencies and mechanisms of virus removal in the units of wastewater treatment plants (WWTPs) are summarized and compared, among which the inactivation efficiencies of typical viruses by typical disinfection approaches under varied operational conditions are elucidated. Subsequently, the occurrence and removal of viruses in treated effluent reuse and desalination, as well as that in sewage sludge treatment, are discussed. Potential dissemination of viruses is emphasized by occurrence via aerosolization from toilets, the collection system and WWTP aeration, which might have a vital role in the transmission and spread of viruses. Finally, the frequency and concentration of viruses in reclaimed water, the probability of infection are also reviewed for discussing the potential health risks.

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