Polyhydroxy fatty acids collector-frothers

Details Polyhydroxy fatty acids collector-frothers Polyhydroxy fatty acids collector-frothers

1981-03-09

1983-01-11

Yudkoff, Norman

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 114

Patent

active

043681166

ABSTRACT:
Beneficiation of metallic oxide ores by froth flotation process using polyhydroxy fatty acids collector-frothers in the presence of silica, silicates, and the like gangue minerals to obtain pure concentrates of desired metal values; comprises, adding to a water suspension of finely divided ore material of polyhydroxy fatty acids to collect the metal value, leaving unaffected gangue minerals.

REFERENCES:
patent: 1912433 (1933-06-01), Crago
patent: 2012609 (1935-08-01), Lenher
patent: 2023388 (1935-12-01), Harris
patent: 2099120 (1937-11-01), Kirby
patent: 2120217 (1938-06-01), Harris
patent: 2362432 (1944-11-01), Cahn
patent: 3859208 (1975-01-01), Knocke
patent: 3909399 (1975-09-01), Petrovich
patent: 4148720 (1979-04-01), Wang

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