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UDC 628.3:504.06

Danilovich Dmitrii, Skobelev D. O., Shchelchkov K. A.

Determination of technological indicators of municipal wastewater treatment quality corresponding to the use of the best available techniques

Summary

In 2015 «Wastewater treatment in public wastewater disposal systems of communities, urban districts» information and technical gui­dance was compiled (ITG 10-2105). The document has been developed for the first time in Russia and has no parallels in European Union. One of the main problems in compiling ITG 10-2105 was developing the methodology of determining the technological indicators of the best available techniques. The analysis of this methodology was carried out in comparison with the existing in EC perspective approaches to the determination of the technological indicators including: projects selection and split up into groups; acquisition of data on the emissions into the atmosphere; selection of pollutants; analysis of the available information on discharges; differentiated determination of the emission level in relation to the best available techniques. The technological indicators of pollutants removed in the traditional biological treatment processes (suspended solids, BOD5, COD) were determined in the process of analyzing the data obtained by questioning the branch projects. Determination of the technological indicators for nitrogen and phosphorus compounds is based greatly on the expert assessment due to the small number of projects using BAT and due to the differences in the technologies applied. Generally the method for determining the technological indicators of BAT to the full extent corresponded to the practices currently used for this purpose in EC. In future during the preparation for ITG 10-2015 revision it is recommended to carry out monitoring and technological audit of BAT reference-projects as well as of the perspective technologies.

Key words

wastewater treatment , best available techniques , technological indicators , emission level , reference-project

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