Novel polymeric sulfide mineral depressants

Details Novel polymeric sulfide mineral depressants Novel polymeric sulfide mineral depressants

C - Chemistry, Metallurgy

08

F

C08F 220/54 (2006.01) B03D 1/016 (2006.01) C08F 220/10 (2006.01) C08F 220/56 (2006.01) C08F 226/02 (2006.01) C08L 33/04 (2006.01) C08L 33/24 (2006.01)

Patent

CA 2250055

Novel depressants for depressing sulfide minerals during froth flotation of ores to recover value minerals are disclosed, as well as a method for their use in the froth flotation. The novel depressants are terpolymers of a (meth)acrylamide, an allyl thiourea and a hydroxyalkyl (meth)acrylate.

Nouveaux déprimants destinés à déprimer les minéraux sulfurés au cours de la flottation par écumage de minerais pour la récupération de minéraux précieux, et procédé d'utilisation de ces déprimants dans la flottation par écumage. Ces nouveaux déprimants sont des terpolymères d'un (méth)acrylamide, d'une thiourée d'allyle et d'un (méth)acrylate d'hydroxyalkyle.

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