Highly microporous carbon

Details Highly microporous carbon Highly microporous carbon

1995-03-14

1998-01-20

Caldarola, Glenn

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

Solid sorbent

Free carbon containing

502417, 502425, 502426, 502427, 502437, 95901, B01J 2002, B01D 5302

Patent

active

057100926

ABSTRACT:
A highly microporous activated carbon is disclosed which is prepared by activation of an active carbon precursor material with a potassium hydroxide solution, pre-drying the blend to below 25% moisture content, activating this blend at from about 650.degree. to about 1100.degree. C., and acid washing and drying the microporous activated carbon product and which is characterized by greater than 50% of its total pore volume comprising pores of from above 8 .ANG. to 20 .ANG. in width and greater than 70% of its total pore volume comprising pores of less than 20 .ANG. in width and greater than 95% of its total pore volume comprising pores of less than 50 .ANG. in width.

REFERENCES:
patent: 4039473 (1977-08-01), Schafer
patent: 5064805 (1991-11-01), Otowa
patent: 5162286 (1992-11-01), MacDowall
patent: 5416056 (1995-05-01), Baker

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