Use of tetraalkylammonium halides as flotation collectors

Details Use of tetraalkylammonium halides as flotation collectors Use of tetraalkylammonium halides as flotation collectors

B - Operations, Transporting

03

D

361/4

B03D 1/02 (2006.01) B03D 1/001 (2006.01)

Patent

CA 1046656

ABSTRACT OF THE DISCLOSURE A process for the recovery of copper minerals from oxidized ores by flotation employing sulphidization of the oxidized minerals followed by flotation employing a tetra- alkylammonium halide as collector. Preferably, a prior flotation step with a xanthate collector is employed, especially when the ore contains substantial amounts of unoxidized sulphide minerals. Using the preferred embodi- ment of the process it is possible to recover 10% more copper from an oxidized copper ore than is possible with sulphidization and xanthate flotation steps alone.

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