Concentration of plate-shaped minerals

Solid material comminution or disintegration – Processes – Laminated or fibrous mineral material

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241 15, 209 2, 209106, B02B 2318

Patent

active

041025024

ABSTRACT:
Minerals, which when mined are recovered in plate-shaped form, such as vermiculite, are efficiently concentrated in a process wherein the mined ore is passed over a series of revolving spaced rolls. Various preferred aspects of the process such as the use of rubber covered rolls, rolls having different spacing therebetween, etc., are also described.

REFERENCES:
patent: 1716758 (1929-06-01), Bland
patent: 1941212 (1933-12-01), Johnson
patent: 1950829 (1934-03-01), Thomson
patent: 2058959 (1936-10-01), Denning
patent: 2971703 (1961-02-01), Rath
patent: 3009570 (1961-11-01), Lancaster et al.
patent: 3438491 (1969-04-01), Haley et al.

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