Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1976-07-08
1978-06-27
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, 209166, B03B 100
Patent
active
040973727
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 resulting 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: 3273707 (1966-09-01), Molthy
patent: 3450257 (1969-06-01), Cundy
patent: 3480143 (1969-11-01), Mitzmager
patent: 3804243 (1974-04-01), Yang
patent: 3974067 (1976-08-01), Nott
Anglo-American Clays Corporation
Halper Robert
Klauber Stefan J.
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