Activated carbon and production thereof

Details Activated carbon and production thereof Activated carbon and production thereof

1994-02-17

1995-08-01

McFarlane, Anthony

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

Solid sorbent

Free carbon containing

502180, 502416, 502417, 502418, 502423, 502432, 502435, B01J 2020

Patent

active

054380294

ABSTRACT:
A preparing process of activated carbon includes steps of: combusting scrap tires containing metal wire at 400.degree. C. to 900.degree. C. under the presence of oxygen, carbon dioxide and vapor; reheating the generated combustible gases up to 800.degree. C. to 900.degree. C. by adding a further fuel; causing the exhaust gas to heat-exchange with a water pipe boiler so that the temperature of the exhaust gas downs to 180.degree. C. to 250.degree. C.; and introducing the exhaust having a temperature of 180.degree. C. to 250.degree. C. into an electric dust collector so as to collect activated carbon. The particle size of the thus obtained distributed substantially in a range of 90 to 110 mesh and the CEC (cation exchange capacity) of the activated carbon falls within 30 to 40.

REFERENCES:
patent: 3582279 (1971-06-01), Beckman et al.
patent: 4985150 (1991-01-01), Cronje et al.
Industrial & Engineering Chemistry Research, vol. 26, No. 12, Dec. 1987, Washington Patent Abstracts of Japan, vol. 13, No. 376, 21 Aug. 1989.

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