Method for improving clay brightness utilizing magnetic...

Details Method for improving clay brightness utilizing magnetic... Method for improving clay brightness utilizing magnetic...

C - Chemistry, Metallurgy

04

B

361/20, 6/212, 2

C04B 33/02 (2006.01) B03D 1/014 (2006.01) C04B 33/10 (2006.01)

Patent

CA 1045642

ABSTRACT OF DISCLOSURE A method for brightening a kaolin clay wherein an aqueous dispersion is initially formed of said clay, which dispersion is blunged and conditioned and the resultant slurry thereupon sub- jected to a froth flotation treatment to remove titaniferous im- purities. The purified product from the froth flotation treatment is thereupon subjected to magnetic separation by passing such pro- duct through a slurry-pervious ferromagnetic matrix positioned in a high intensity magnetic field, which results in substantial, add- itional brightening of the clay.

231945

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