1. Preparation of fibrous activated carbons from wood fiber.
- Author
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Asakura, R., Morita, M., Maruyama, K., Hatori, H., and Yamada, Y.
- Subjects
ACTIVATED carbon ,CARBON ,WOOD ,CARBON dioxide ,CARBONIZATION ,ADSORPTION (Chemistry) - Abstract
Short fibrous hollow activated carbons with a high aspect ratio were prepared by carbonization and carbon dioxide activation of softwood and hardwood fibers. The softwood activated carbon consisted mostly of micropores even though the degree of burn-off during the activation became higher. In the case of the hardwood fiber, on the other hand, meso- and macropores as well as micropores were formed and the ratio of these large pores increased with an increasing degree of burn-off. The adsorbed amount of water and toluene vapor on these fibrous activated carbons was compared with that of the commercial activated carbon fibers (ACFs). These fibrous activated carbons showed a high adsorption capacity comparable to that of the ACFs. [ABSTRACT FROM AUTHOR]
- Published
- 2004
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