The review of methods of post-treatment of urban wastewater with a high content of industrial effluents

Abstract This paper presents an overview of the existing methods of post-treatment of urban wastewater that have undergone mechanical and biological treatment. The results of the experience of practical operation of wastewater treatment facilities are considered and analyzed, the analysis of the operation of mechanical, biological and physicochemical methods used at treatment facilities as a tertiary stage of treatment is carried out. The advantages and disadvantages of each presented method are analyzed and on the basis of this analysis a comparative table of post-treatment methods has been compiled.