Process for the production of activated carbons using phoshoric

Details Process for the production of activated carbons using phoshoric Process for the production of activated carbons using phoshoric

1987-09-10

1988-07-26

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Free carbon containing

502437, C01B 3112, B01J 2020

Patent

active

047600462

ABSTRACT:
Activated carbon is produced by an improved process which comprises subjecting a mash comprising carbon-containing combustibles, phosphoric acid and water to a rapid thermal pretreatment at temperatures of from 80.degree. to 250.degree. C. in the presence of steam and oxygen followed by activation at temperatures of from 250.degree. to 550.degree. C. for no more than 30 minutes.

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patent: 3676365 (1972-07-01), Shirai et al.
patent: 3767592 (1973-10-01), Kwok et al.
patent: 3835064 (1974-09-01), Shinomiya et al.
patent: 3969268 (1976-07-01), Fukuda et al.
patent: 4149994 (1979-04-01), Murty

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