Process for the beneficiation of sulfide minerals

Details Process for the beneficiation of sulfide minerals Process for the beneficiation of sulfide minerals

B - Operations, Transporting

03

D

B03D 1/012 (2006.01) B03D 1/008 (2006.01) B03D 1/01 (2006.01) B03D 1/02 (2006.01) B03D 1/08 (2006.01)

Patent

CA 2501079

Froth flotation processes, useful for beneficiating base metal m ineral values from metal sulfide ore, utilize a collector comprising an N-butoxycarbonyl-O- alkylthionocarbamate selected from the group consisting of N-butoxycarbonyl-O- methylthionocarbamate, N-butoxycarbonyl-O-etkylthionocarbamate, N- butoxycarbonyl-O-propylthiononocarbamate, N-butoxycarbonyl-O- buylthionocarbamate, N-butoxycarbonyl-O-pentylthionocarbamate, and N- butoxycarbonyl-O-hexylthionocarbamate.

L'invention concerne des procédés de flottation par moussage permettant d'enrichir des minéraux de valeur à métal de base provenant d'un minerai de sulfure métallique. Ces procédés consistent à utiliser un collecteur comprenant un N-butoxycarbonyl-O-alkylthionocarbamate choisi dans le groupe comprenant le N-butoxycarbonyl-O-méthylthionocarbamate, le N-butoxycarbonyl-O-éthylthionocarbamate, le N-butoxycarbonyl-O-propylthiononocarbamate, le N-butoxycarbonyl-O-butylthionocarbamate, le N-butoxycarbonyl-O-pentylthionocarbamate, et le N-butoxycarbonyl-O-hexylthionocarbamate.

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