廃木材から製造した木炭の比表面積に及ぼす炭化条件の影響

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  • Effect of Carbonizing Conditions on the Specific Surface Area of Charcoal Made from Waste Wood
  • ハイモクザイ カラ セイゾウシタ モクタン ノ ヒヒョウメンセキ ニ オヨボス タンカ ジョウケン ノ エイキョウ

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In order to produce charcoal with a high specific surface area, the effects of temperature and carbon dioxide in carbonizing atmospheres on the specific surface areas of charcoal carbonized from waste wood were examined. The results were as follows :<br>(1) The specific surface area of charcoal carbonized at 1173 K in N2+CO2 atmosphere from waste wood is 1124 m2/g, which is comparable to that of activated carbon.<br>(2) The specific surface areas of charcoal carbonized at temperatures of 1073 and 1173 K in N2+CO2 atmospheres increase as the yields of the charcoals decrease.<br>(3) The experimental results revealed that the reaction of C+CO2 = 2CO promotes and enlarges the specific surface area of the charcoal. Carbon dioxide in carbonizing atmospheres is effective in enlarging the specific surface area of charcoal made from waste wood.

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  • 廃棄物学会論文誌

    廃棄物学会論文誌 18 (3), 205-210, 2007

    一般社団法人 廃棄物資源循環学会

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