Issues of wastewater treatment from thermal power plants in Uzbekistan and Mongolia

Relevance of the study lies in solving environmental issues related to the discharge of wastewater at thermal power plants (TPPs) in Uzbekistan and Mongolia, which lead to the need to apply and improve methods for its purification.

The purpose. To consider the problems of wastewater treatment at thermal power plants. To conduct a study of modern technologies for wastewater treatment for their application at thermal power plants in Uzbekistan and Mongolia. To consider the simplest, most economical and dischargeless technologies for wastewater treatment at energy facilities.

Methods. In solving the problem, the method of calculating the volume of wastewater implemented by means of SMath® was adopted.

Results. The article describes the relevance of the topic, considers the problems of wastewater treatment at thermal power plants. The volume of industrial wastewater, which after preliminary treatment can be used for the technological needs of thermal power plants, is calculated. This paper presents data on the tests of new generation sorption materials: aluminosilicate sorbent EcoFerox, activated carbon grade AK47 and APT-1 at a concentration of petroleum products СPP ≈ 20 mg/dm³ based on diesel fuel, transformer and turbine oils.

Conclusion. A new scheme for cleaning and reusing wastewater for existing and planned thermal power plants in Uzbekistan and Mongolia has been developed. The proposed solution will partially solve the problems of water consumption at energy facilities in conditions of acute shortage of water resources. The obtained results showed that sorbents can be used for additional purification of wastewater from NP to the required MAC standards. It was established that the highest degree of purification of wastewater from NP is achieved when using filters with a two-layer load.

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