Process for the selective extraction of copper using 4-acyl-(3H)

Details Process for the selective extraction of copper using 4-acyl-(3H) Process for the selective extraction of copper using 4-acyl-(3H)

1984-03-27

1987-05-19

Ford, John M.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75101BE, 423 24, 423DIG14, 548364, 548367, C22B 1508

Patent

active

046665137

ABSTRACT:
Liquid/liquid extraction process for copper from an aqueous sulphuric acid solution acting on the concentrated mineral or semi-finished product to be treated.
The extraction is carried out in an organic solvent containing in solution an extraction agent derived from 2-phenyl-4-acyl-(3H)-pyrazol-3-ones, with the phenyl group subsitituted or unsubstituted.
Application to the upgrading of minerals.

REFERENCES:
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patent: 4255395 (1981-03-01), Gallacher et al.
Okafor, "Spectrochim Acta, Part A", 1981, vol. 37A, No. 11, pp. 939-944.
Irving and Williams, "Nature", vol. 162, pp. 746-747, 1948.
Jensen, "Acta Chem. Scand.", vol. 13, pp. 1668-1670, 1959.
Kirk-Othmer Encyclo. of Chemical Tech, 2nd, Edit., vol. 6, pp. 1-24, 1965.
Zolotov et al., Extraction of Metals By Acylpyrazolones, Chem. Abst. 89, 81023X, 1978.
Chemical Abstracts, vol. 89, No. 8, 21, Aug. 21, 1978, p. 209, No. 63102t, Columbus, Ohio, USA.
Chemical Abstracts, vol. 92, No. 16, Apr. 1980, p. 477, No. 136129f, Columbus, Ohio, USA.

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