Ore treatment process

Details Ore treatment process Ore treatment process

1978-11-29

1981-05-26

Rutledge, L. Dewayne

Classifying, separating, and assorting solids

Fluid suspension

Liquid

75 2, B03D 106

Patent

active

042697026

ABSTRACT:
An ore-treatment process for the recovery of metal concentrates from mineral ores containing one or more metals in the form of their sulphides and/or oxides in which the crushed ore is subjected to a froth flotation process in aqueous medium using, as collector, an orthophydroxy phenyl oxime of formula ##STR1## where R is hydrogen or a hydrocarbyl group, R.sup.1 is an electron-donating group, especially an alkyl group, and R.sup.11 is hydrogen or an alkyl, cycloalkyl or aralkyl group. The process is especially suitable for treatment of copper-containing ores.

REFERENCES:
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patent: 3438494 (1969-04-01), Fuerstenau et al.
patent: 4020106 (1977-04-01), Ackerley et al.
patent: 4130415 (1978-12-01), Nagaraj et al.
Translation of French Patent Publication 2,355,065.
Clark and Perrin: "Strengths of Organic Bases" pp. 301-303 Quarterly Reviews vol. 18 (1964).
Ritcey, G. M., "Solvent-in-pulp Processing using Sieve Plate Pulse Columns" Chemistry And Industry pp. 1294-1299 (11/6/71).
DeWitt, C. C. et al., Chelate Compound & Flotation Reagents I; JACS, vol. LXI pp. 1247-1249 (5/1939).
DeWitt, C. C.; et al., Normal Oximes As Flotation Reagents, JACS vol. LXI p. 1250 (5/1939).

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