Process and composition for the froth flotation beneficiation of

Details Process and composition for the froth flotation beneficiation of Process and composition for the froth flotation beneficiation of

1988-06-27

1989-05-16

Schor, Kenneth M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 102

Patent

active

048307394

ABSTRACT:
A process and composition are provided for the froth flotation beneficiation of iron minerals from iron ores containing silicate and phosphate minerals, comprising as collectors a combination of a primary amine and a nitrogen compound containing an anionic group selected from methylene carboxylic acid, ethylene phosphoric acid and methylene phosphonic acid.

REFERENCES:
patent: 2382178 (1945-08-01), Schilling
patent: 3744629 (1973-07-01), Baarson
patent: 4168227 (1979-09-01), Polgaire
patent: 4358368 (1982-11-01), Hellsten
patent: 4421641 (1983-12-01), Blazy
patent: 4545898 (1985-10-01), Hellsten
patent: 4612112 (1986-09-01), Swiatkowski
patent: 4702823 (1987-10-01), Tesmann
patent: 4732667 (1988-03-01), Hellsten

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