UDC 628.161.3
DOI 10.35776/VST.2024.06.02

Seliukov Aleksandr, Baikova Ida

The use of hydrogen peroxide as a chemical in drinking water supply

Summary

The use of hydrogen peroxide for the removal of iron and hydrogen sulfide from natural groundwater is considered in the context of the recommendations of the new edition of CP 31.13330.2021 «SNiP 2.04.02-84*. Water supply. External networks and structures». A brief overview of the available data on the chemical regularities of the iron and hydrogen sulfide oxidation processes, and the factors affecting their behavior is provided. Based on data of the field tests, as well as on the experience of long-term operation of the water treatment facilities in the cities of Novy Urengoy and Noyabrsk, a formula is proposed for calculating the dose of hydrogen peroxide while removing iron from natural groundwater. Recommendations are given for estimating the demand for this oxidizer while removing hydrogen sulfide from natural groundwater. This technology provides for the drinking water of standard quality. The conclusion is drawn that the use of hydrogen peroxide as a chemical is promising for drinking water supply owing to its working efficiency at low pH values, alkalinity, water temperature; process independence from the silicon, carbon dioxide, oxygen concentrations, as well as low cost, low energy intensity and serviceability of the required equipment. It is also recommended to include the proposed formula for calculating the dose of hydrogen peroxide in the recommendations of CP 31.13330.2021 on groundwater de-ironing.

Key words

deferrization , ground water , water treatment , hydrogen sulfide removal , hydrogen peroxide , regulatory guidelines

For citation: Seliukov A. V., Baikova I. S. The use of hydrogen peroxide as a chemical in drinking water supply. Vodosnabzhenie i Sanitarnaia Tekhnika, 2024, no. 6, pp. 8–12. DOI: 10.35776/VST.2024.06.02. (In Russian).

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