Abstract
The efficiency of sewage treatment plants is an urgent problem of the designed and operating stations. In modern conditions, efficiency is understood as the operation of facilities in which operating costs are minimized, facilities provide standard cleaning, and the company implements measures to modernize and improve energy efficiency and trouble-free operation. The article deals with the comparative analysis and selection of the most optimal scheme of biological sewage water treatment of existing sewage water treatment plants. The indicators of the efficiency of functioning and permissible loads on treatment facilities in the design of aeration tanks for biological sewage water treatment are determined. The results served as the basis for the creation of a mathematical model, with the help of which it is possible to calculate the parameters of the biological treatment system and optimize the process of biological sewage water treatment at existing treatment facilities. Mathematical modeling allows you to reduce the cost of designing and operating treatment facilities, to guarantee the degree of treatment in accordance with the requirements and standards for the discharge of treated sewage water into a reservoir for fisheries purposes.
Highlights
The main cause of pollution of water bodies with biogenic elements that violate the stability of the biosystem is the discharge of urban and industrial sewage water
At the end of the twentieth century, our country tightened the standards for the discharge of pollutants into water bodies, introd6u1c1e@d6tzeFcthf nologies for deep removal of nitrogen and phosphorus compounds from sewage water based on the recommendations of research organizations
Traditional biological sewage water treatment allows to remove the bulk of organic pollutants, to oxidize ammonium nitrogen to nitrate, but cannot provide a sufficient depth of removal of nitrogen and phosphorus compounds [6,7,8]
Summary
The main cause of pollution of water bodies with biogenic elements that violate the stability of the biosystem is the discharge of urban and industrial sewage water. At the end of the twentieth century, our country tightened the standards for the discharge of pollutants into water bodies, introd6u1c1e@d6tzeFcthf nologies for deep removal of nitrogen and phosphorus compounds from sewage water based on the recommendations of research organizations. Traditional biological sewage water treatment allows to remove the bulk of organic pollutants, to oxidize ammonium nitrogen to nitrate, but cannot provide a sufficient depth of removal of nitrogen and phosphorus compounds [6,7,8]. Nitrogen and phosphorus are one of the main components of sewage water, the presence of which in municipal or close to them in the composition of household water is constantly recorded. Phosphorus in sewage water is found in organic compounds (organic phosphorus), polyphosphates (P2O5), and orthophosphates (PO4)
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