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UDC 628.35:661.5.63

KOZLOV M. N., Kharkina O. V., Pakhomov A. N., Streltsov S. A., Khamidov M. G., Ershov B. A., Belov N. A.

Experience of Operation of Facilities of Wastewater Biological Treatment for Nitrogen and Phosphorus Compounds

Summary

Introduction of technologies of wastewater treatment for nitrogen and phosphorus compounds is a priority way of development and reconstruction of treatment facilities of the MSUE Mosvodokanal. The technology of acidification of raw sludge of primary sedimentation plants makes it possible to increase the concentration of readily oxidizable organic compounds in wastewater which are necessary for organization of the process of advanced biological removal of phosphorus. Acidification of primary sludge of wastewater was introduced on industrial scale at the Lyubertsy treatment facilities of Moscow in 2009; it makes it possible to ensure the high quality of water treated at the block of biogenic elements removal of total capacity of 500 000 m³/day.

Key words

wastewater , biological treatment , biological removal of nitrogen and phosphorus , acidification

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