Abstract
Humic acids were separated from oxidized coals with a minimum yield of 50%. It was shown that sodium humate can be used for precipitating zinc from viscose plant wastewaters. Regardless of the concentration and pH of the wastewater, zinc is totally extracted from it. The zinc can be desorbed from the humate sediment in the form of zinc sulfate.
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References
T. A. Kukharenko, Lignite and Coal Oxidized in Seams [in Russian], Nedra, Moscow (1972).
T. A. Kukharenko, Khim. Tverd. Topl., No. 1, 121–128 (1981).
A. B. Pakshver and A. A. Konkin (eds.), Control of Chemical Fibre Production [in Russian], Khimiya, Moscow (1967).
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Based on proceedings of the memorial conference dedicated to the 100th birthday of Z. A. Rogovin.
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Translated from Khimicheskie Volokna, No. 1, pp. 29–31, January–February, 2006.
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Mazur, N.A., Laletina, O.P. Method of treating viscose plant wastewaters with coal wastes. Fibre Chem 38, 37–40 (2006). https://doi.org/10.1007/s10692-006-0037-9
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DOI: https://doi.org/10.1007/s10692-006-0037-9