№8|2017

WASTEWATER TREATMENT

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UDC 628.35:661.5

KOZLOV M. N., Nikolaev Yu. A., Kevbrina M. V., Dorofeev A. G., Aseyeva V. G., Gavrilin A. M., Agaryov A. M. , Pimenov N. V., Kallistova A. Iu.

Development of the first in Russia Anammox type technology

Summary

The first in Russia Anammox type technology has been developed in «Mosvodokanal» JSC in cooperation with «Fundamental prin­ciples of biotechnology» Federal Research Centre of the Russian Academy of Sciences with support from RF Ministry of Education and Science. The technology is designed for the purification of filtrate of centrifuges that dewater digested wastewater sludge. Anammox technology is based on the microbiological process of ammonium oxidation with nitrite under anoxic conditions. This process has been implemented at more than 100 wastewater treatment facilities all over the world in various technologic options. This group of technologies is the most cost-effective and high developing biotechnology of nitrogen removal from wastewater. Anammox type technology has been implemented at the pilot plant that provides for the purification of dewatering centrifuge filtrate. In terms of the process parameters the developed technology can be compared to the foreign alternatives but adapted to the conditions of the Liuberetskie Wastewater Treatment Facilities in Moscow. Single reactor process is carried out at 30–37 °С with new anammox-bacteria. From the economic, technologic and environmental point of view Anammox technology is very attractive compared to the traditional options of biological nitrogen removal. Anammox process lacks the demand in organic matter; whereas the oxygen demand is reduced by 60% resulting in significant energy saving. It can be applied at the wastewater treatment facilities both in Russia and overseas.

Key words

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