Beneficiation of flake graphite

Details Beneficiation of flake graphite Beneficiation of flake graphite

1995-04-06

1996-05-21

Husar, John

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 241, 241 27, B02C 2336

Patent

active

055181899

ABSTRACT:
This invention concerns a method of beneficiating graphite to a higher purity level by dislodging the impurities from graphite by attrition preferably in an attrition cell which has at least one set of opposing pitched impellers. A pulp is formed preferably essentially consisting of a flake graphite:attrition adjuvant:water in a ratio of 1:2:0.8 to 10 and this pulp subjected to attrition in an attrition cell.

REFERENCES:
patent: 4496533 (1985-01-01), Clausius
patent: 4533086 (1985-08-01), Junttila
patent: 4538764 (1985-09-01), Dunbar
patent: 4987175 (1991-01-01), Bunnell, Sr.
patent: 4993646 (1991-02-01), Narukawa
patent: 4999121 (1991-03-01), DeBlock et al.
patent: 5019446 (1991-05-01), Bunnell, Sr.
patent: 5065948 (1991-11-01), Bunnell, Sr.
patent: 5330680 (1994-07-01), Sakawaki et al.

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