NEW CONSTRUCTIONAL SOLUTIONFOR IMPROVEMENT OF BIOLOGICAL SEWAGE TREATMENT UNITS

Authors

  • І. В. Клименко Дніпродзержинський державний технічний університет, м. Дніпродзержинськ, Ukraine
  • А. В. Іванченко Дніпродзержинський державний технічний університет, м. Дніпродзержинськ, Ukraine
  • М. Д. Волошин Дніпродзержинський державний технічний університет, м. Дніпродзержинськ, Ukraine

DOI:

https://doi.org/10.20535/2218-93001812016122391

Keywords:

wastewater, biological treatment, activated sludge, aerotank-settler

Abstract

Indicated urgency of modernizing existing municipal wastewater treatment plants in connection with reduction of volumes wastewater discharged by the population of Ukraine. It is shown that the biological method is preferred for most treatment plants. The aim of this work is to improve existing devices for biological treatment of municipal wastewater for use in reducing the volume of wastewater supplied to the population. Analyzed the classical scheme of biological wastewater treatment according to which the residence time of wastewater in the primary and secondary sedimentation tanks exceeds the design value by more than 3 times, and in aeration tanks in 2,7. Developed and presented new design of the combined</em><em> </em><em>aerotank-settler the</em> <em>special feature</em><em> </em><em>which is compactness and possibility of use for small volumes of wastewater. Offered an improved technology of biological wastewater treatment using aerotank-settler which is recommended for most municipal treatment plants of Ukraine

References

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Published

2016-04-06

Issue

Vol. 18 No. 1 (2016)

Section

Статті

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