Process for making activated carbon from agglomerative coal

Details Process for making activated carbon from agglomerative coal Process for making activated carbon from agglomerative coal

1974-09-04

1976-04-20

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

48210, 201 8, 201 9, 201 31, 201 38, 201 44, 252445, 423449, B01J 3110, B01J 2118

Patent

active

039518566

ABSTRACT:
Fluidized bed technique for oxidizing normally agglomerative bituminous coal is disclosed. One high rank bituminous coal is prepared for activation by grinding, briquetting and crushing to the 3/4 inch to 4 mesh size. Thereafter, the coal particles are fluidized in an oxygen containing atmosphere at from about 400.degree.F. to 700.degree.F. Water is preferably added during oxidation, controlling the oxidation temperature. In this manner, coal particles are rendered non-agglomerative which, when thereafter subjected to carbonization and activation, yields superior activated carbon.

REFERENCES:
patent: 3843559 (1974-10-01), Repick et al.

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