Froth flotation

Details Froth flotation Froth flotation

1986-10-16

1988-03-22

Bashore, S. Leon

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 102

Patent

active

047326662

ABSTRACT:
A process for recovering phosphate values from a finely divided ore containing the phosphate values and gangue such as an ore containing apatite, calcite and dolomite, by froth flotation includes the steps of suspending the finely divided ore containing the phosphate values and the gangue in a liquid at a pH of greater than 7; adding to the suspension a froth flotation collector comprising a tall oil fatty acid and an emulsifier for the tall oil fatty acid selected from alkylphenylalkoxylates having the formula: ##STR1## wherein: n is an integer from 8-10 inclusive;

REFERENCES:
patent: 2302338 (1942-11-01), Moeller
patent: 4211644 (1980-07-01), Wiechers
patent: 4309282 (1982-01-01), Smith
patent: 4556545 (1985-12-01), Cheruvu

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