ELECTROCOAGULATION EXTRACTION OF MANGANESE FROM PROCESSING PLANT INDUSTRIAL WATER
https://doi.org/10.21285/1814-3520-2018-1-194-201
Abstract
PURPOSE. Electroflotation recovery of manganese from industrial water allows to treat water effectively and use it in a closed water supply system as it provides a high extraction degree of metal cations. METHODS. Integrated treatment of technogenic manganese-containing hydromineral resources provides the possibility to obtain additional scarce products from the non-metallic parts of waste. RESULTS AND THEIR DISCUSSION. The paper shows the optimization of electrocoagulation extraction of manganese from the industrial waters of a processing plant. Sludge resulting from the industrial solution treatment is a valuable material that mainly consists of hydroxides of aluminum(III), iron(III) and manganese(II). Its simple processing allows to extract mixed coagulants widely used for water purification and a scarce manganese dioxide used in the production of chemical sources of current. CONCLUSIONS. Electrochemical purification and integrated processing of formed electrocoagulation sludge allows to obtain more than 30 tons of manganese dioxide and 150 tons of mixed coagulants for water purification.
About the Authors
V. I. Dudarev
Irkutsk National Research Technical University
Russian Federation
Russian Federation
L. A. Minaeva
Irkutsk National Research Technical University
Russian Federation
Russian Federation
E. G. Filatova
Irkutsk National Research Technical University
Russian Federation
Russian Federation
V. I. Salamatov
Irkutsk National Research Technical University
Russian Federation
Russian Federation
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Review
For citations:
Dudarev V.I., Minaeva L.A., Filatova E.G., Salamatov V.I. ELECTROCOAGULATION EXTRACTION OF MANGANESE FROM PROCESSING PLANT INDUSTRIAL WATER. Proceedings of Irkutsk State Technical University. 2018;22(1):194-201. (In Russ.) https://doi.org/10.21285/1814-3520-2018-1-194-201
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