Method of depressing non-sulfide silicate gangue minerals

Details Method of depressing non-sulfide silicate gangue minerals Method of depressing non-sulfide silicate gangue minerals

1995-06-07

1996-07-09

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 1016, B03D 102

Patent

active

055336264

ABSTRACT:
A method for the depression of non-sulfide, silicate gangue minerals is provided wherein the depressant is a polymeric mixture of a polysaccharide and a material comprising recurring units of the formula: ##STR1## wherein X is the polymerization residue of an acrylamide or mixture of acrylamides, Y is an hydroxy group containing polymer unit, Z is an anionic group containing polymer unit, x represents a residual mole fraction of at least about 35%, y represents a residual mole fraction of from about 1 to 50% and z represents a residual mole fraction of from about 0 to about 50%.

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