DEPHOSPHORIZATION OF WASTEWATER
High content of phosphorus in water bodies is the primary reason for their eutrophication. The problem of phosphorus removal is relevant because actual observed concentrations of phosphorus in discharge water significantly exceed the maximum allowable concentration (MAC) for a fishery basin. At the same time, the majority of reservoirs in the Russian Federation happen to be fishery basins. In this paper the sources of ingress of phosphorus compounds into water bodies are defined. Data analysis of the quality of domestic wastewater as well as comparison of the requirements to wastewater treatment in different countries has been performed. In addition, comparative analysis of annual phosphorus concentrations in wastewater at treatment plants’ discharges in different Russian cities had been conducted. Special attention is given to the study of different methods of removal phosphorus from wastewater and their efficiency. Every described method affects removal of phosphorus from wastewater in its own way due to the use of specific reagents and in their different physical properties.