Process of purification of minerals based on calcium...

Details Process of purification of minerals based on calcium... Process of purification of minerals based on calcium...

B - Operations, Transporting

03

D

B03D 1/01 (2006.01) C01F 11/18 (2006.01)

Patent

CA 2674994

The invention concerns a process for purification of calcium carbonate-comprising minerals comprising at least one flotation step, characterised in that this step implements at least one quaternary imidazoline methosulfate compound as collector agent.

L'invention porte sur un procédé de purification de minéraux comportant du carbonate de calcium. Ce procédé comporte au moins une étape de flottation qui est caractérisé par le fait que cette étape met en jeu au moins un composé méthosulfate d'imidazolium quaternaire en tant qu'agent collecteur.

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