Basic process solutions for upgrading the municipal wastewater treatment facilities: wastewater secondary settling with tertiary treatment by filtration and chemical phosphorus removal

Summary

The process solutions introduced at the Samara Municipal Wastewater Treatment Facilities in accordance with the best available technologies are considered. In the process of the reconstruction new screens buildings were built. In the volume of the existing aeration tanks biological removal of nitrogen and phosphorus compounds following the Cape town University technology with an energy efficient system of compressed air supply, the additional chemical phosphorus removal was implemented. The secondary settling tanks were converted into the filtration settlers with floating media. A UV disinfection plant was commissioned; furthermore, cleaning of malodorous emissions from the process units was provided. The design capacity of the upgraded facilities is 640 thousand m³/day. In prospect Samarskie Kommunal’nye Sistemy, LLC, the operator, within the frames of the Program of improving the environmental efficiency, will have to take measures on improving the operation of the treatment facilities that have not been included into the upgrade project because of the lack of finance. These measures include modernization of the system of removing activated sludge from the secondary settlers and also removing from them algae during the blooming period. The need of the fastest adoption of GOST on commissioning wastewater treatment facilities is justified.

Key words

reconstruction , wastewater , best available techniques , aftertreatment , technologically regulated indicators , chemical phosphorus removal , secondary settling tanks , filters with floating media

For citation: Egorova Iu. A., Nesterenko O. I., Strelkova T. A., Stepanov S. V., Markina M. V. Basic process solutions for upgrading the municipal wastewater treatment facilities: wastewater secondary settling with tertiary treatment by filtration and chemical phosphorus removal. Vodosnabzhenie i Sanitarnaia Tekhnika, 2024, no. 11, pp. 14–22. DOI: 10.35776/VST.2024.11.02. (In Russian).

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