Activated Carbon Fibers For The Removal of Chemical Warfare Simulants

Seung Kon RYU; Seong Ryeol CHOI

doi:10.14852/jcersjsuppl.112.0.S1539.0

Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue

Session ID : 23

DOI https://doi.org/10.14852/jcersjsuppl.112.0.S1539.0

Conference information

Host: The Ceramic Society of Japan

Co-host: Iketani Science and Technology Foundation, International Ceramic Federation, Commemorative Organization for the Japan World Exposition '70, The American Ceramic Society, The Australasian Ceramic Society, The Chinese Ceramic Society, The Korean Ceramic Society, Joint Research Consortium of Synergy Ceramics/Fine Ceramics Research Association, Nanotechnology Researchers Network Center of Japan, The Special Coordination Funds for Promoting Science and Technology, Japan National Tourist Organization, Aichi Prefectural Government, CASIO SCIENCE PROMOTION FOUNDATION, DAIKO FOUNDATION, Nagoya Convention and Visitors Bureau, The Asahi Glass Foundation, The Kao Foundation For Arts And Sciences, The Murata Science Foundation, The Ogasawara Foundation for the Promotion of Science & Engineering, ASAHI GLASS CO., LTD. Research Center, CENTRAL GLASS CO., LTD., ELECTRIC GLASS INDUSTRY ASSOCIATION OF JAPAN (EGAJ), Hattori Company, Ltd., Hitachi Research Laboratory, Hitachi, Ltd., HOYA CORPORATION, INAX Corporation, ITOCHU CERATECH CORP., Japan Cement Association, KYOCERA Corporation, KYUSHU REFRACTORIES CO., LTD., MINO CERAMIC CO., LTD., Murata Manufacturing Co., Ltd., NGK INSULATORS LTD., NGK SPARK PLUG CO., LTD., NICHIAS Corporation, NIKKO COMPANY, Nippon Electric Glass Co., Ltd., Nippon Sheet Glass Co., Ltd., NORITAKE CO., LIMITED, Tokuyama Corporation, TOTO LTD.

Papers

Activated Carbon Fibers For The Removal of Chemical Warfare Simulants

Seung Kon RYU, Seong Ryeol CHOI

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Keywords: Activated carbon fiber, Adsorption, Dimethylmethylphosphonate (DMMP), Carbon tetrachloride, Chloropicrin, Metal-impregnated activated carbon

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Abstract

Removal of chemical warfare agents such as dimethylmethylphosphonate (DMMP), carbon tetrachloride, and chloropicrin vapor were carried out on activated carbon fibers, and compare the removal efficiency with those of metal-impregnated activated carbon and activated carbon deposited cloths at various conditions. The vapors were passed through the carbon adsorbent packed bed at constant flow rate. The vapor concentrations in influent and effluent air were measured by gas chromatography. The adsorption amount of DMMP on activated carbon fiber was 0.585 g/g-ACF, which was 7.4 times larger than that of metal-impregnated activated carbon at the breakthrough point (0.004 mg/l). DMMP was physically adsorbed on ACF. The ACF saturated with DMMP was completely regenerated at 121°C, 1.2 atm, 30 min. The adsorption amounts of carbon tetrachloride and chloropicrin on ACFs were 7.7 and 18 times larger than that of metal-impregnated activated carbon at the breakthrough point.

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