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A. S. Tryakina (2017) Development of sustainable water treatment technology using scientifically based calculated indexes of source water quality indicators. Journal of Mining Institute. Vol 227. p. 608. DOI: 10.25515/pmi.2017.5.608
TryakinaA. S. (2017). Development of sustainable water treatment technology using scientifically based calculated indexes of source water quality indicators. Journal of Mining Institute, 227, 608. https://doi.org/10.25515/pmi.2017.5.608

Development of sustainable water treatment technology using scientifically based calculated indexes of source water quality indicators

Authors:
A. S. Tryakina
  • Donbas National Academy of Civil Engineering and Architecture
Date submitted:
2017-10-26
Date published:
2017-10-25

Abstract

The article describes selection process of sustainable technological process flow chart for water treatment procedure developed on scientifically based calculated indexes of quality indicators for water supplied to water treatment facilities. In accordance with the previously calculated values of the indicators of the source water quality, the main purification facilities are selected. A more sustainable flow chart for the modern water quality of the Seversky Donets-Donbass channel is a two-stage filtering with contact prefilters and high-rate filters. The article proposes a set of measures to reduce such an indicator of water quality as permanganate oxidation. The most suitable for these purposes is sorption purification using granular activated carbon for water filtering. The increased water hardness is also quite topical. The method of ion exchange on sodium cation filters was chosen to reduce the water hardness. We also evaluated the reagents for decontamination of water. As a result, sodium hypochlorite is selected for treatment of water, which has several advantages over chlorine and retains the necessary aftereffect, unlike ozone. A technological flow chart with two-stage purification on contact prefilters and two-layer high-rate filters (granular activated carbon - quartz sand) with disinfection of sodium hypochlorite and softening of a part of water on sodium-cation exchangers filters is proposed. This technological flow chart of purification with any fluctuations in the quality of the source water is able to provide purified water that meets the requirements of the current sanitary-hygienic standards. In accordance with the developed flow chart, guidelines and activities for the reconstruction of the existing Makeevka Filtering Station were identified. The recommended flow chart uses more compact and less costly facilities, as well as additional measures to reduce those water quality indicators, the values of which previously were in compliance to the quality of the water supply standards.

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