Beneficiation of fluorspar ore

Details Beneficiation of fluorspar ore Beneficiation of fluorspar ore

1976-10-20

1977-08-23

Lutter, Frank W.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

040434559

ABSTRACT:
A method is disclosed for beneficiating a fluorspar concentrate containing apatite as a gangue mineral, which includes further concentrating the fluorspar by a froth flotation process wherein the apatite is collected and floated with a cationic reagent in an acid flotation circuit and the fluorspar is depressed with fluoride ions.

REFERENCES:
patent: 2120485 (1938-06-01), Clemmer et al.
patent: 2459219 (1949-01-01), Duke
patent: 3259242 (1966-07-01), Snow
patent: 3405802 (1968-10-01), Preller et al.
patent: 3430765 (1969-03-01), Allen et al.
patent: 3928019 (1975-12-01), Marsh

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