Anodic coal reaction lowers energy consumption of metal electrowinning

THE metals which can be extracted in large amounts from aqueous solutions of their salts by electrowinning are Cr, Mn, Co, Ni, Cu, Zn, Ga, Cd, In and Tl. Gilroy 1 specifies an annual electrowinning production for 1971 of 2,400,000 tons of Zn and 540,000 tons of Ca, 53% and 10% respectively of total...

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Bibliographic Details
Published in:Nature (London) 1979-08, Vol.280 (5724), p.666-668
Main Authors: FAROOQUE, MOHAMMAD, COUGHLIN, ROBERT W.
Format: Article
Language:English
Subjects:
Humanities and Social Sciences
letter
multidisciplinary
Science
Science (multidisciplinary)
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Summary:THE metals which can be extracted in large amounts from aqueous solutions of their salts by electrowinning are Cr, Mn, Co, Ni, Cu, Zn, Ga, Cd, In and Tl. Gilroy 1 specifies an annual electrowinning production for 1971 of 2,400,000 tons of Zn and 540,000 tons of Ca, 53% and 10% respectively of total production at that time. We describe here a modification to the established electrowinning technique which lowers the energy consumption of the process.
ISSN:0028-0836
1476-4687
DOI:10.1038/280666a0