Method of beneficiating phosphate ores

Details Method of beneficiating phosphate ores Method of beneficiating phosphate ores

1988-01-22

1989-03-21

Schor, Kenneth M.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Aqueous suspension and sifting

209167, B03D 102, B03B 100, B03B 500

Patent

active

048140694

ABSTRACT:
The method of beneficiating a phosphate ore comprising apatite and including dolomitic impurities comprising reagentizing the ore having a particle size in the range of 75 .mu.m to about 420 .mu.m with an aqueous solution having a pH of from 3.5 to 4.5 and containing a fatty acid anionic collector and sodium chloride and subjecting the ore to froth flotation to float away the dolomitic impurities.

REFERENCES:
patent: 3113838 (1963-12-01), Perri
patent: 4364824 (1982-12-01), Snow

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