Influence of iron concentration in river water on treatment technology
https://doi.org/10.31660/2782-232X-2024-2-84-94
Abstract
Various iron compounds in dissolved colloidal and complex forms can be found in the surface source water. Iron content in the water of the Tura depends on the time of year and changes from 0.12 to 3.8 mg/dm3. The variety of iron forms in river water depending on annual changes requires the application of relevant technologies for its elimination. Most iron compounds are removed by coagulation and, if complex compounds are present, by the use of oxidizing agents. Systematic analyses of qualitative indicators of the Tura water by the laboratory of Metelevsky water treatment plant of Metelevsky water intake made it possible to graph the dependences of iron quantitative values on water level (river flow rate), turbidity, colour, oxidation susceptibility and hydrogen pH. Since the forms of iron compounds in natural water affect the effective choice of water treatment technology for household and drinking water, the ratios of iron (II) and iron (III) in total iron in river water depending on the value of redox (Eh) and hydrogen (pH) indices were determined for different periods of the year. The results of the study showed that during water treatment it is necessary to carry out aeration with the introduction of oxidizing agent. The objectives of the study were to identify the ratio of iron (II) and iron (III) in total iron in river water for different periods of a year in terms of Eh and pH values. The ratio of iron forms in natural water is important in the choice of water treatment technology for domestic and drinking purposes. The research showed that if total iron content in the Tura water was 0.67 mg/ dm3 the amount of iron (II) was 60 percent and iron (III) was 40 percent.
About the Authors
A. G. Zhulin
Industrial University of Tyumen
Russian Federation
Russian Federation
Alexander G. Zhulin, Cand. Sc. in Engineering, Associate Professor, Associate Professor at the Department of Engineering Systems and Structures
Tyumen
L. V. Belova
Industrial University of Tyumen
Russian Federation
Russian Federation
Larisa V. Belova, Cand. Sc. in Engineering, Associate Professor, Associate Professor at the Department of Engineering Systems and Structures, Head at the Department of Descriptive Geometry and Graphics
Tyumen
P. A. Semyonov
Industrial University of Tyumen
Russian Federation
Russian Federation
Pavel A. Semyonov, Student at the Department of Engineering Systems and Structures
Tyumen
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Review
For citations:
Zhulin A.G., Belova L.V., Semyonov P.A. Influence of iron concentration in river water on treatment technology. Architecture, Construction, Transport. 2024;(2):84-94. (In Russ.) https://doi.org/10.31660/2782-232X-2024-2-84-94
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