Process and compound for the froth flotation beneficiation...

Details Process and compound for the froth flotation beneficiation... Process and compound for the froth flotation beneficiation...

C - Chemistry, Metallurgy

07

F

361/14, 260/461.

C07F 9/09 (2006.01) B03D 1/01 (2006.01) B03D 1/014 (2006.01) B03D 1/02 (2006.01)

Patent

CA 1273024

PROCESS AND COMPOUND FOR THE FROTH FLOTATION BENEFICIATION OF IRON MINERALS FROM IRON ORES ABSTRACT OF THE DISCLOSURE A process and composition are provided for the froth flotation beneficiation of iron minerals from iron ore containing silicate and phosphate minerals, comprising as collectors a combination of a primary amine and a nitrogen compound containing an anionic group selected from methylene carboxylic acid, ethylene phosphoric acid and methylene phosphonic acid. New ethylene phosphoric acid compounds suitable to be used as collectors are also disclosed.

502013

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