Carrier particle for the froth flotation of fine ores

Details Carrier particle for the froth flotation of fine ores Carrier particle for the froth flotation of fine ores

B - Operations, Transporting

03

D

361/25

B03D 1/02 (2006.01) B03D 1/01 (2006.01)

Patent

CA 1288178

ABSTRACT This invention is a froth flotation process for beneficiating finely sized mineral values from a finely sized ore pulp comprising floating the ore pulp in a frothing aqueous medium comprising a collector and a carrier particle for beneficiating the finely sized mineral values by flotation, wherein the carrier parti- cles selectively float the finely sized mineral values. The carrier particles of this invention have a particle size and a density for selectively beneficiating the finely sized mineral values by froth flotation and have a surface treated with a condensation product, or acid derivative of a condensation product, of an alkanolamine with a fatty acid, a fatty acid ester, a dibasic fatty acid or a tribasic fatty acid to render the carrier particle sufficiently hydrophobic to float in the frothing aqueous medium. 30,277-F

483889

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