Abstract
Activated carbons were produced from waste phenol resin by steam activation. The influence of pyrolysis temperature of the resin, activation temperature, time, and steam dosage on the specific surface area and pore volume of activation carbons was examined. The activation rate was considerably fast compared with pure resin presumably as a result of the presence of additives in the waste resin such as calcium salt and/or wood powder. The surface areas of activated carbons produced under appropriate conditions were almost independentof the pyrolysis temperatures (600 900t). Despite many additives an activated carbon with a surface area of 700m2/g was yielded under optimum conditions where activation temperature 900'C, activation time 1 h, steam dosage 3g/g·Eh. Treatment of the activated carbon with HC1 solution excluded the ash effectively, yielding an activated carbon with a surface area of above 1100m2/g.
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