Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal
Patent
1979-05-01
1981-12-29
Hearn, Brian E.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ib metal
423 34, 423 38, 423 42, 423493, 804107, C01G 305
Patent
active
043082394
ABSTRACT:
Cuprous (Copper (I)) chloride is an intermediate for the production of copper metal concentrates. A method of purifying copper salts and particularly cuprous chloride is disclosed which involves utilizing the solubility of cuprous chloride and other copper salts in a mixture of water and acetonitrile of 2-hydroxycyanoethane or acrylonitrile and the ability of cuprous chloride to precipitate when the organic component of the mixture is distilled off. The electrolysis of cuprous chloride in water containing at least 10 grams per litre of copper (I), acid and between 5% and 50% by volume of a water soluble organic nitrile such as acetonitrile or 2-hydroxycyanoethane is also disclosed.
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Sigal et al., "Increasing the Solubility of Copper Monochloride in Chloride Solutions By SomeOrganic Additions", Ivestiva Vysshikh Uchebuykh Zavedenii Khim i Khim Tekh., vol. 18(9), (1975), pp. 1357-1359.
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Hydrometallurgy for Copper Concentrates?- Dasher et al. - Oct. 2-3, 1972 - pp 1-15 w/footnotes.
Grimsey Eric J.
Muir David M.
Parker Alan J.
Preston John S.
Anumin Pty. Ltd.
Hearn Brian E.
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