Based on the biological characteristics of the novel coronavirus (SARS-CoV-2), the state of the virus in the water body was studied, and the related research of the virus in the wastewater treatment plant at home and abroad was summarized. The results indicated that the concentration of virus in the wastewater can be effectively reduced as long as the urban wastewater treatment facilities operate properly, and the transmission of enterovirus and respiratory viruses through effluent of wastewater treatment plant could be blocked. The disinfection effects of several disinfection methods in wastewater treatment such as ozone, chlorine and ultraviolet radiation were analyzed. The research showed the viruses in effluent of reclaimed water plant will be removed by the multistage treatment protection, and the combined process control could ensure the safety of the effluent. In addition, the possible location of aerosol risk in wastewater treatment process was pointed out, and corresponding protection suggestions were given. It has important reference significance for guiding the operation of urban wastewater treatment plants and preventing the further spread of novel coronavirus.
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