DOI 000000

UDC 628.17.001.4

Strelkov A. K., Egorova Yu. A., Bykova P. G., Nesterenko O. I., Strelkova T. A., Talovyria Larisa

The influence of the ecological state of the water source
on the mode of operation of water

Summary

While studying the water quality of the water source of the city of Samara – the Saratov water reservoir, special attention was paid to the main indicators that influence the choice of chemical treatment: turbidity, permanganate index and color. Seasonal changes in the water quality of the water reservoir require constant adjustment of the chemical dose in order to meet the regulatory requirements to the quality of treated water. The results of the studies of changes in the water quality of the Saratov reservoir at the water abstraction points of the city of Samara for 2017–2019 by turbidity, permanganate index and color are presented. Due to the abnormal temperature differences and onset of autumn flood (end of December 2019 and January 2020), the water quality in the water reservoir dramatically changed in color and permanganate index. It was noted that an increase in these indicators required an increase in the dose of chemicals during the source water purification. The optimal dose of chemicals is selected with Lovibond ET-750 flocculator depending on the composition of the source water. Regular test coagulation allowed maintaining the quality of purified water in accordance with the regulatory requirements of SanPiN 2.1.4.1074-01 «Drinking water. Quality control», except for color and total iron since the values of these indicators were increased within the measurement accuracy.

Key words

turbidity , chromaticity , water treatment , coagulant , flocculant , permanganate oxidizability

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REFERENCES

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