Selective separation of finely-divided minerals by addition of s

Details Selective separation of finely-divided minerals by addition of s Selective separation of finely-divided minerals by addition of s

1992-12-09

1994-05-17

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

209 5, 209 9, 209 10, 209 47, 209164, 209166, 494 37, 106486, 106487, 501149, B03B 104, B03B 700, B04C 900, B03D 102

Patent

active

053119975

ABSTRACT:
Separation of impurities from kaolin clay is accomplished by conditioning a dispersed aqueous pulp of the clay with an anionic flotation collector, followed by centrifugation or hydrocloning to cause the impurities to settle from a dispersed pulp of the clay without an intermediate froth flotation step or a flotation waste froth is centrifuged or hydrocloned to recover valuable kaolin contained in the froth.

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