C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
252/26
C01B 31/10 (2006.01) B01J 2/00 (2006.01) B01J 20/20 (2006.01) B01J 20/30 (2006.01)
Patent
CA 1256848
A B S T R A C T A process for the production of activated carbon from upgraded brown coal which has been produced by subjecting brown coal to shearing forces, compacting the mass so produced, and drying the mass to form a hard, relatively dense product, comprises the steps: (a) pyrolysing the said upgraded brown coal, preferably at a temperature of 350 to 500°C; (b) activating the pyrolysed product of step (a) by treatment with steam at elevated temperature, preferably 700 to 800°C; and (c) cooling the activated carbon product of step (b) in an inert atmosphere.
500234
Buchanan Alan S.
Cain David A.
Harvey Kaye F.
Johns Reginald B.
Verheyen Theodore V.
C.r.a. Services Limited
Kirby Eades Gale Baker
University Of Melbourne (the)
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