Abstract
Comparative studies are presented to evaluate the effect of temperature on the coagulating ability of a composite coagulant-flocculant based on nepheline raw materials and a traditional coagulant of aluminum sulfate in relation to sulfate lignin in the temperature range 4–30°С. The advantage of the composite coagulant-flocculant is shown when it is used in the physicochemical purification technology at low temperatures with ensuring a stable effect of clarification of wastewater from ligno-humic impurities in a wide pH range.
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ACKNOWLEDGMENTS
The authors express their gratitude to the Committee for Science and Higher Education of St. Petersburg for the recognition of this field of research as the winner project in the nomination “Best Scientific and Innovative Idea” in the competition for the best innovative projects in the field of science and higher education of St. Petersburg in 2019.
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Translated from Zhurnal Prikladnoi Khimii, No. 2, pp. 256–263, January, 2021 https://doi.org/10.31857/S0044461821020146
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Smirnova, A.I., Dyagileva, A.B. Evaluation of the Effect of Temperature on the Efficiency of Wastewater Treatment with a Composite Coagulant-Flocculant Based on Nepheline Raw Materials. Russ J Appl Chem 94, 252–258 (2021). https://doi.org/10.1134/S1070427221020166
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DOI: https://doi.org/10.1134/S1070427221020166