Beneficiation of metallic ores by froth flotation using polyhydr

Details Beneficiation of metallic ores by froth flotation using polyhydr Beneficiation of metallic ores by froth flotation using polyhydr

1978-12-28

1980-09-02

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 106

Patent

active

042205255

ABSTRACT:
Beneficiation of metallic ores by froth flotation using polyhydroxy amines depressants for gangue material, such as silica, silicates, carbonates, sulfates, phosphates to obtain pure concentrates of desired metal values with adequate collectors; comprises, adding to a water suspension of finely divided ore of polyhydroxy amine to depress the said gangue material in the presence of an adequate collector for the recovering of the desired metal value.

REFERENCES:
patent: 2014406 (1935-09-01), Weed
patent: 2177985 (1939-10-01), Harris
patent: 2259420 (1941-10-01), Mills
patent: 2338797 (1944-01-01), Borglin
patent: 2389763 (1945-11-01), Cahn
patent: 3165465 (1965-01-01), Ray
patent: 3194758 (1965-07-01), Lissant
patent: 3453207 (1969-07-01), Eck
patent: 4128475 (1978-12-01), Wang
patent: 4139455 (1979-02-01), Griffith

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