Beneficiation of phosphate ore

Details Beneficiation of phosphate ore Beneficiation of phosphate ore

1977-04-18

1979-03-20

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

041449690

ABSTRACT:
A method is disclosed for beneficiating an apatitic phosphate ore containing an alkaline earth metal carbonate mineral impurity, which includes conditioning the phosphate ore in an aqueous conditioning slurry containing a cationic reagent at a concentration sufficient to reagentize the ore; and subjecting the reagentized ore to a froth flotation process wherein the apatite is recovered in the froth concentrate and the alkaline earth metal carbonate mineral impurity is rejected in the underflow tailing.

REFERENCES:
patent: 2748939 (1956-06-01), Hodges
patent: 3177985 (1939-10-01), Harris
patent: 3259242 (1966-07-01), Snow
patent: 3361257 (1968-01-01), Nasemon
patent: 3482688 (1969-12-01), Bishell
patent: 4043455 (1977-08-01), Gisend

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