System and method for rapid beneficiation of Bentonite clay

Details System and method for rapid beneficiation of Bentonite clay System and method for rapid beneficiation of Bentonite clay

1982-01-13

1983-10-25

Jenkins, Robert W.

Agitating

Mortar mixer type

Methods

366 7, 366 12, B01F 306

Patent

active

044115300

ABSTRACT:
A system and method for rapid beneficiation of bentonite clay is disclosed. Beneficiation of the bentonite clay occurs through oxidation of structural ferrous iron. For rapid beneficiation, bentonite clay, preferably ground, is subjected to moist air while the clay is being agitated, preferably by tumbling within a rotating drum, to provide rapid exchange of moisture and oxygen in the air with the bentonite clay aggregates to thereby increase the speed of oxidation of ferrous iron in the bentonite clay. Drying of the thus treated bentonite clay may be then achieved by agitating the clay, again preferably by tumbling within a rotating drum, in the presence of dry air.

REFERENCES:
patent: 578845 (1897-03-01), Tilden
patent: 2312936 (1943-03-01), Smith
patent: 3150835 (1964-09-01), Horton
patent: 3617030 (1971-11-01), Tironi
patent: 3860514 (1975-01-01), Lee et al.
patent: 4015973 (1977-04-01), Perrine

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