Beneficiation of phosphate ore

Details Beneficiation of phosphate ore Beneficiation of phosphate ore

B - Operations, Transporting

03

D

361/17

B03D 1/02 (2006.01) B03D 1/004 (2006.01)

Patent

CA 1099036

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 flota- tion process wherein the apatite is recovered in the froth concentrate and the alkaline earth metal carbonate mineral impurity is rejected in the underflow tailing.

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