Preparation of Mesoporous Activated Carbon Fibers and Their Adsorption Properties
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概要
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Activated carbon fibers from pitch/organometallics, viz Y (acac) <SUB>3</SUB>, TiO (acac) <SUB>2</SUB>, Al (acac) <SUB>3</SUB>, composites by steam invigoration were prepared. The pitch /organometallics homogeneous composites as starting materials were prepared using an organic solvent such as quinoline. Highly mesoporous activated carbon fibers with high specific surface area (1200-1400m<SUP>2</SUP>/g, mesopore ratio>70%) were obtained from pitch/Y (acac) <SUB>3</SUB> composites. On the other hand, TiO (acac) <SUB>2</SUB> and Al (acac) <SUB>3</SUB> exhibited no ability for the formation of mesoporous carbons. The adsorption of vitamin, humic acid, and cyclodextrin on the activated carbon fibers was investigated. Mesoporous activated carbon fibers from pitch/Y (acac) <SUB>3</SUB> composites showed excellent adsorption characteristics for these large molecular substances KEYWORDS: Activated carbon fiber, Mesopore, Organometallics, Rare earth metal complex
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