Method of producing activated carbon from pit-wet lignite

Details Method of producing activated carbon from pit-wet lignite Method of producing activated carbon from pit-wet lignite

1992-04-06

1994-03-08

Konopka, Paul E.

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

Solid sorbent

Free carbon containing

502417, 502418, 502437, C01B 3112, C01B 3108, B01J 2020

Patent

active

052927083

ABSTRACT:
A method of producing activated carbon from lignite, in which pit-wet lignite is heated to high temperatures. The invention further describes the heating of the lignite in the presence of additional water vapor. The invention also contemplates the addition of potassium ions to the lignite, in the form of potassium hydroxide.

REFERENCES:
patent: 4039473 (1977-08-01), Shafer
patent: 4603119 (1986-07-01), Karl et al.
Production And Briquetting Of Carbonized Lignite--Bulletin 221 by E. J. Babcock and W. W. Odell--pp. 34-43 Bubl.--Dept. Of Interior--Bureau Of Mines--Wash. D.C. (1923).

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