Method for the depressing of hydrous silicates and iron sulfides

Details Method for the depressing of hydrous silicates and iron sulfides Method for the depressing of hydrous silicates and iron sulfides

1990-06-08

1991-07-09

Silverman, Stanley

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 1016, B03D 102

Patent

active

050303406

ABSTRACT:
A process for the recovery of mineral values from base metal and precious metal ores is disclosed. Specifically, a froth flotation process is disclosed which comprises contacting an aqueous ore slurry with an effective amount of a dihydroxyalkyl group containing polysaccharide, a mineral collector and a frothing agent.

REFERENCES:
patent: 1632419 (1927-06-01), Simpson
patent: 1741028 (1929-12-01), Koenig
patent: 1771549 (1930-07-01), Phelan
patent: 2135128 (1937-03-01), Thomas
patent: 2824643 (1958-02-01), Shaw
patent: 2919802 (1960-01-01), Drak
patent: 3710939 (1973-01-01), Hostynek
patent: 4001210 (1977-01-01), Engeskirchen
patent: 4339331 (1982-07-01), Lim
patent: 4877517 (1989-10-01), Bulatovic
"The Carbohydrates" Edited by Ward Pigman Published 1957 by Academic Press, pp. 669-670.
"Polymeric Depressants", by K. F. Lin et al., Published in the Periodical Reagents, Mineral Technology, pp. 471-483.
The Poseidon Story, Engineering and Mining Journal, Feb. 1975, pp. 53-62.

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