Method of depressing readily floatable silicate materials

Details Method of depressing readily floatable silicate materials Method of depressing readily floatable silicate materials

1990-09-19

1991-04-30

Silverman, Stanley

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 1004, B03D 1106, B03D 102

Patent

active

050115960

ABSTRACT:
The invention resides in the use of a bacterial cellulose as a depressant for readily flotatable silicate minerals in an ore flotation process. Depending on the particular ore being treated, from 0.2-1.5 lb/ton of ore of the bacterial cellulose is effective as a talcose mineral depressant. Usually only about 0.10-0.25 lb/ton of the bacterial cellulose will produce optimum results.

REFERENCES:
patent: 3796308 (1974-03-01), McIlthinney
patent: 4046678 (1977-09-01), Zajic
patent: 4269699 (1981-05-01), McCready
patent: 4775627 (1988-10-01), Attia
patent: 4853114 (1989-08-01), Lewis
"Flotability and Leaching of Low Grade Ores with Reagents of Biological Origin", by Solojenken-Academy of Science of Tazik, Dashanbe, USSR.-1979.

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