Method for improving clay brightness utilizing magnetic separati

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

1976-07-28

1977-10-25

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Sorting special items or sorting by methods and apparatus...

209 39, 209167, B03B 100

Patent

active

040554856

ABSTRACT:
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 subjected to a froth flotation treatment to remove titaniferous impurities. The purified product from the froth flotation treatment is thereupon subjected to magnetic separation by passing such product through a slurry-pervious ferromagnetic matrix positioned in a high intensity magnetic field, which results in substantial, additional brightening of the clay.

REFERENCES:
patent: 2990958 (1951-07-01), Greene
patent: 3462013 (1969-08-01), Melcade
patent: 3974067 (1976-08-01), Nott

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