Novel collectors and processes for making and using same

Details Novel collectors and processes for making and using same Novel collectors and processes for making and using same

1989-07-05

1990-05-29

Lacey, David L.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 101, B03D 1008, B03D 1018

Patent

active

049293435

ABSTRACT:
A method for the production of alkyl or alkaryl hydroxamic acids and/or salts wherein a C.sub.8 -C.sub.22 alcohol is employed with water as the solvent is disclosed as well as the resultant salt and/or acid solutions per se and their use in the flotation of non-sulfide minerals, preferably clay.

REFERENCES:
patent: 2397508 (1946-04-01), Rouault
patent: 3145082 (1964-08-01), Rausch
patent: 3438494 (1969-04-01), Fuerstenau
patent: 3464784 (1969-09-01), Swanson
patent: 4507248 (1985-03-01), Mathew
patent: 4629556 (1986-12-01), Yoon
patent: 4871466 (1989-10-01), Wang
"Flotation of Oxidized Copper Minerals by Hydroxamic Acids" by Danilova-Obogoschenic Rud, vol. 20, No. 3, 1975, pp. 5-8.

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