Low molecular weight hydrolyzed polymers or copolymers as...

Details Low molecular weight hydrolyzed polymers or copolymers as... Low molecular weight hydrolyzed polymers or copolymers as...

B - Operations, Transporting

03

D

361/22

B03D 1/02 (2006.01) B03B 1/04 (2006.01) B03D 1/016 (2006.01)

Patent

CA 1149974

27,948 TITLE: LOW MOLECULAR WEIGHT HYDROLYZED POLYMERS OR COPOLYMERS AS DEPRESSANTS IN MINERAL ORE FLOTATION ABSTRACT OF THE DISCLOSURE Low molecular weight hydrolyzed polymers or copoly- mers of the general structure: Image exhibit excellent depressive action in the flotation of non- sulfide mineral ores thereby resulting in improved selectivity and recovery. The low molecular weight, partially hydrolyzed polymers or copolymers perform depressing action without re- sulting in any associated flocculation in the flotation system. The partially hydrolyzed polymers or copolymers can be com- bined with other known depressing agents for non-sulfide ores, such as starch, dextrin, gum and the like, to obtain equiva- lent or improved selectivity and recovery than would be obtained using these depressants alone.

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