Flotation process for fluoride minerals

Details Flotation process for fluoride minerals Flotation process for fluoride minerals

1977-07-11

1979-06-05

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

041572963

ABSTRACT:
Flotation processes are provided, wherein a vinyl sulfonic acid polymer or an allyl sulfonic acid polymer is added to the pulp in a minor amount as a depressant for constituents which preferably should be floated to a minimum degree. Thus the polymers are effective barite-depressants in the flotation of fluoride minerals and rare earth carbonates. Also the polymers are useful as monazite depressants.

REFERENCES:
patent: 2407651 (1946-09-01), Clemmer
patent: 2647629 (1953-08-01), Veltman
patent: 2740522 (1956-04-01), Aimone
patent: 3138550 (1964-06-01), Woolery
patent: 3259569 (1966-07-01), Priesing
patent: 3340238 (1967-09-01), Smith
patent: 3617572 (1971-11-01), Monagle
patent: 3860513 (1975-01-01), Hart

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