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

1987-10-15

1989-10-03

Lacey, David L.

Compositions

Physical separation agents

Froth-flotation or differential adherence

209166, 562621, B03D 102

Patent

active

048714666

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
"Flotation of Oxizized Copper Minerals by the Aroxanic Acids" Darilov-Obogocchchemie rud vol. 20 #30, 1975.

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