Method of preparing a coarse-pored formed carbon

Details Method of preparing a coarse-pored formed carbon Method of preparing a coarse-pored formed carbon

1989-10-03

1991-01-22

Konopka, Paul E.

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

Solid sorbent

Free carbon containing

502417, 502418, 502437, B01J 2032, B01J 2020, C01B 3110

Patent

active

049871161

ABSTRACT:
Described is a method for preparing a coarse-pored formed carbon from charcoal dust, charcoal tar and sodium hydroxide solution. These ingredients are mixed, kneaded, shaped and low-tempeature carbonized in as low-oxygen atmosphere as possible at temperatures of 300 to 900.degree. C. The product is further activated with water vapor and/or carbon dioxide at temperature of 700 to 1200.degree. C. In the initial mixture, sodium hydroxide is added in amounts of 5.0 to 15.0 % by weight relative to the amount of charcoal dust.

REFERENCES:
patent: 1200713 (1916-10-01), Drohn
patent: 3817874 (1974-06-01), Wennerberg et al.
patent: 4039473 (1977-08-01), Schaffer
patent: 4458022 (1984-07-01), Ohsaki
patent: 4603119 (1986-07-01), Karl et al.
patent: 4742040 (1988-05-01), Ohsaki et al.

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