Collector for processing nonferrous metal sulfides

Details Collector for processing nonferrous metal sulfides Collector for processing nonferrous metal sulfides

B - Operations, Transporting

03

D

B03D 1/012 (2006.01) B03B 1/04 (2006.01) B03D 1/004 (2006.01)

Patent

CA 2428121

The invention relates to a flotation reagent containing compounds of general formula (1) and (2) wherein R1 and R2 independently represent alkyl groups containing 1- 18 carbon atoms, R3 and R4 independently represent hydrogen or C1-C6 alkyl, and M represents hydrogen or an alkaline metal, in a weight ration of (1): (2) = 95:5 - 75:25.

L'invention concerne un réactif de flottation contenant des composés des formules (1) et (2), dans lesquelles R?1¿ et R?2¿ sont indépendamment l'un de l'autre des groupes alkyl comportant 1 à 18 atomes de carbone, R?3¿ et R?4¿ sont indépendamment l'un de l'autre de l'hydrogène ou C¿1?-C¿6?-alkyl, et M est de l'hydrogène ou un métal alcalin, le rapport massique de (1) par rapport à (2) étant de 95:5 à 75:25.

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