Process for the separation of minerals by flotation

Details Process for the separation of minerals by flotation Process for the separation of minerals by flotation

1989-09-26

1991-09-10

Silverman, Stanley S.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209167, 252 61, B03D 114

Patent

active

050471449

ABSTRACT:
The present invention provides a process for the separation of minerals by flotation in the presence of activators and suppressors. Activators are cation-active condensation products and suppressors are anion-active products of aminoplast formers, formaldehyde and amines, ammonium salts, acids or a sulphite, in combination with either an anion-active or cation-active tensides.

REFERENCES:
patent: 2187930 (1940-01-01), Brown
patent: 3017028 (1962-01-01), Schoeld
patent: 3582461 (1971-06-01), Lipowski
patent: 3819048 (1974-06-01), Weimer
patent: 3990965 (1976-11-01), Csillag
patent: 4078993 (1978-03-01), Griffith
patent: 4128475 (1978-12-01), Wang
patent: 4208487 (1980-06-01), Wang
patent: 4514292 (1985-04-01), Burdick
Hawley's Chemical Condensed Dictionary 11th edition, published 1987, by Van Nostrand Reinhold, p. 304.

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