Froth flotation of fine particles

Details Froth flotation of fine particles Froth flotation of fine particles

1992-03-25

1993-06-08

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209 5, 252 61, B03D 1016, B03D 102

Patent

active

052176045

ABSTRACT:
Particles of a desired mineral are separated from an aqueous slurry containing the desired particles and particles of an undesired mineral by adding a collector, a frother and an alkylated polymer of vinylpyrrolidone, and then floating off the desired particles in a froth flotation cell.

REFERENCES:
patent: 3256141 (1966-06-01), Stephenson
patent: 3782546 (1974-01-01), Kirwin
patent: 3929629 (1975-12-01), Griffith
patent: 4141691 (1979-02-01), Antonetti
patent: 4268379 (1981-05-01), Poulos
patent: 4756823 (1988-07-01), O'Neill
patent: 4857221 (1989-08-01), Brookes
patent: 4859318 (1989-08-01), Brookes

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