FIELD: alcoholic beverage industry. SUBSTANCE: claimed method comprises subjecting coal and/or semicoke grains to carbonization at 450 to 600 C at temperature rise rate of 20-40 C, and activation is carried out at 860-950 C to total pore volume of 0.55- 0.75 cu.cm/g. Strength of activated carbon is 76-84%. EFFECT: more efficient preparation method. 1 tbl
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Authors
Dates
1998-05-20—Published
1997-03-20—Filed