Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Selective differentiation
Patent
1976-02-27
1977-04-19
Douglas, Winston A.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Selective differentiation
106288B, 106 72, 241 4, 241 16, 241 20, 209211, B03B 104
Patent
active
040186733
ABSTRACT:
Method of removing coarse materials and chemical and mineral impurities from clay in order to produce a purified high solids suspension of said clay which method involves mixing a crude clay with water and a dispersing agent to form a high solids slurry; subjecting said slurry to intense centrifugal forces for a short period of time; separating said coarse material and said chemical and mineral impurities; and recovering the suspended clay as a fine fraction having a reduced content of coarse material and impurities.
REFERENCES:
patent: 3371988 (1968-03-01), Maynard
patent: 3464634 (1969-09-01), Brociner
patent: 3536264 (1970-10-01), Helton et al.
patent: 3539003 (1970-11-01), Bidwell
patent: 3572500 (1971-03-01), Kouloheris
Hughes Randall E.
Jordan Edward P.
Douglas Winston A.
Howard J.V.
Thiele Kaolin Company
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