Pyrite depressant useful in floation separation

Details Pyrite depressant useful in floation separation Pyrite depressant useful in floation separation

1997-06-17

1999-01-05

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 1014, B03D 106, B03D 1012

Patent

active

058557717

ABSTRACT:
The present invention relates to a process for separating pyrite from sulfide ores and coal during flotation separation which comprises the depressing of pyrite with from about 0.05 to 0.75 kilograms per ton of concentrate solids, using a pyrite depressant compounds selected from the group consisting of

REFERENCES:
patent: 2336868 (1943-12-01), Jayne
patent: 3093666 (1963-06-01), Du Brow
patent: 3220839 (1965-11-01), Herz
patent: 3414128 (1968-12-01), Baarson
patent: 3426896 (1969-02-01), Baarson
patent: 5560814 (1996-10-01), Burkhart

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