Process for producing high surface area activated carbon

Details Process for producing high surface area activated carbon Process for producing high surface area activated carbon

1990-07-20

1992-04-07

Konopka, Paul E.

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

Solid sorbent

Free carbon containing

502424, 502426, 502437, C01B 3112, B01J 2020

Patent

active

051028557

ABSTRACT:
Process for producing activated carbon, preferably high surface area activated carbon, from inexpensive cellulosic precursors, such as paper, by pretreating the cellulosic precursor with an activating agent, such as phosphoric acid, followed by carbonization in an inert atmosphere at an elevated temperature to produce activated carbon. The activated carbon can be further activated to increase its surface area by heating it in an oxidizing atmosphere at an elevated temperature to yield activated carbon having a surface area of at least 100 m.sup.2 /g.

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patent: 1610399 (1926-12-01), Urbain
patent: 1694040 (1928-12-01), Ray et al.
patent: 1735096 (1929-11-01), Urbain
patent: 1819165 (1931-08-01), Hass
patent: 3305315 (1967-02-01), Bacon et al.
patent: 3835064 (1974-09-01), Shihomiya et al.
patent: 3969268 (1976-07-01), Fukuda et al.
patent: 4259092 (1981-03-01), Matsuo et al.

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