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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Micropore Analysis and Adsorption Characteristics of Activated Carbon Fibers

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.1, pp.89-95
Moon, Dong-Cheul
Lee, Kwang-Ho
Kim, Chang-Soo
Kim, Do-Hyung
Kim, Mi-Ran
Shin, Chae-Ho
Park, II-Young
Nam, Seoung-Youl
Lee, Chang-Gi
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Abstract

Three grades of activated carbon fibers (ACFs) were prepared from various precursors of plantic, synthetic, and mixed fabrics of viscose rayon and cotton. The ACFs an exhibited type I isotherms on the adsorption of nitrogen or argon. Micropore analysis revealed that the ACFs have uniform micropore size distribution in which their peak diameters were in the range of <TEX>$5.6{\pm}0.3{\AA}$</TEX>. The BET surface area of ACFs up to <TEX>$1600m^2g^{-1}$</TEX> was proportional to the adsorption capacity of iodine. The BET values of the ACFs prepared were proportional to the burn-off degree of the products.

keywords
Activated Carbon Fiber (ACF), micropore analysis, adsoprtion characteristics, Type I isotherm, BET surface area, Adsorption capacity of iodine, burn-off


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