Process for making activated charcoal

Details Process for making activated charcoal Process for making activated charcoal

1995-06-07

1997-03-25

Caldarola, Glenn A.

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

Solid sorbent

Free carbon containing

502416, 502418, 502424, 502180, B01J 2002

Patent

active

056144598

ABSTRACT:
An improved process is provided for the preparation of activated carbon, which comprises swelling a carbonaceous material in a polar organic solvent containing an activating agent, removing the solvent, carbonizing the material, and removing the activating agent from the product. The activated carbon is produced in a short time with a high yield, and has a high surface area with a very narrow pore size distribution. Both the solvent and activating agents may be recovered and recycled.

REFERENCES:
patent: 3676365 (1972-07-01), Shirai et al.
patent: 5206207 (1993-04-01), Tolles et al.
patent: 5250491 (1993-10-01), Yan
patent: 5504050 (1996-04-01), Hayden
Miura et al. "New Coal Flash Pyrolysis Method Utilizing Effective Radical Transfer From Solvent To Coal", Energy & Fuels 5(2): 340-346 (1991) (Abstract).
Suuberg et al. "Coal Macromolecular Network Structure Analysis: Solvent Swelling Thermo-dynamics and Its Implications", Energy & Fuels 8: 1247-1262 (1994).
Caturla et al. "Preparation of Activated Carbon By Chemical Activation With Z.sub.n CI.sub.2 ", Carbon 29(1): 999-1007 (1991).
Caio et al. "Ativacao de Hulhas, Lignitos E Turfax Brasileiras--Producao E Aplicacao Em Operacoes . . . ", Revista Brasileira de Tecnologia 10: 93-107 (1979).
Bansal et al. "Manufacture of Active Carbons", Active Carbon, Marcel Dekker, Inc., New York, pp. 1-26 (1988).

Affiliated with

Also associated with

Rating

Process for making activated charcoal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for making activated charcoal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for making activated charcoal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2203207