Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal
Patent
1974-11-04
1976-04-13
Vertiz, Oscar R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ib metal
423 27, 423 53, 423150, 75101BE, 75117, 204106, 204112, C01G 300, C01G 5300, C01G 3900
Patent
active
039504883
ABSTRACT:
Method for treating basic salts to preferentially extract copper without using a base to maintain the required pH. The liberation of unreacted hydrogen ions during the ion exchange reaction is eliminated by partially dissolving the basic salt mixture with an amount of acid that is equivalent to the non-copper content of the basic mixture. An amount of organic ion exchange extractant is selected so that the exchangeable hydrogen ion on the extractant is equivalent to or in excess of the amount of copper in the metal bearing liquor.
REFERENCES:
patent: 3193381 (1965-07-01), George et al.
Madigan, "The Extraction of Certain Cations From Aqueous Solution With Di-(2-ethylhexyl)orthophosphate," Australian J. Chem., Vol. 13, No. 1, Feb. 1960, pp. 58-66.
Natwig David L.
Skarbo Roald R.
Hearn Brian E.
Kennecott Copper Corporation
Lorusso Anthony M.
McCarter Lowell H.
Sniado John L.
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