B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/012 (2006.01) B03D 1/004 (2006.01) B03D 1/02 (2006.01)
Patent
CA 2715858
Process for recovering copper sulphide and optionally molybdenum sulphide from a copper bearing ore by froth flotation consisting in: - crushing said ore, mixing the obtained ground powder with at least a collector and water, - aerating the slurry, removing and concentrating the mineral froth formed at the surface of the bath, wherein the collector is a thioglycolic acid derivate having the following formula: - R1 is N or O, - R2 is an alkyl group having 2 to 12 carbon atoms.
L'invention porte sur un procédé de récupération de sulfure de cuivre et, facultativement, de sulfure de molybdène à partir d'un minerai cuprifère par flottation de mousse consistant à : broyer ledit minerai, mélanger la poudre broyée obtenue avec au moins un collecteur et de l'eau, aérer la bouillie, éliminer et concentrer la mousse minérale formée à la surface du bain, le collecteur étant un dérivé d'acide thioglycolique présentant la formule suivante : où - R1 représente N ou O et - R2 représente un groupe alkyle possédant de 2 à 12 atomes de carbone.
Canady Daniel
Dewald Mark
Heenan Blaikie Llp
S.p.c.m. Sa
Snf Flomin Inc.
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