DOI 10.35776/VST.2022.06.01
UDC 628.35

Smirnov Aleksandr Vladimirovich, Babichev Aleksandr, Fediunin Viacheslav, Fediunin Viacheslav

Improving the environmental safety of the Urals: upgrading the Southern Wastewater Treatment Plant in Yekaterinburg

Summary

The Ural region has been traditionally considered the «backbone» of Russia with the center in Yekaterinburg. The environmental safety of the region is largely ensured by wastewater treatment at the Northern and Southern municipal wastewater treatment plants. The current upgrade of the Southern Wastewater Treatment Plant has become the biggest over the past 7 years: 345 million rubles have already been invested in the building, installation works and equipment. In 2022, the allocated finance will be another 120 million rubles. In the process of reconstruction and modernization of the Southern Wastewater Treatment Plant the mechanical sludge dewatering facilities were subject to upgrade resulting in the double reduction of the generated wastes. More than 70% of aeration tanks (8 of 11 sections) were reconstructed with a complete replacement of the aeration system, and secondary clarifiers were reconstructed with the replacement of sludge sucker (6 of 15 tanks). In general, the upgrade of the biological treatment facilities provided for increasing the environmental performance and improving the state of the ecosystem of the Iset River.

Key words

wastewater treatment , modernization , sludge disposal truck , aeration tank , secondary settling tank , aeration system

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