Removal of H2S, CH3SH and (CH3)3N from air by use of chemically treated activated carbon.
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概要
- 論文の詳細を見る
Removal of H2S, CH3SH and (CH3)3N, mixed with air in a concentration range from 10 to 800 ppm at 303 K, by use of activated carbon impregnated with NaOH or Na2CO3 (IAC) or sulfonated activated carbon (SAC) was studied to obtain the basic data useful for design of a deodorization process. For the system of IAC-H2S or CH3SH, the adsorption equilibrium was of rectangular type and adsorption capacity could be increased as much as about 40 to 60 times of that of original carbon. For the system of SAC-(CH3)3N, the adsorption equilibrium obeyed the Freundlich equation and the effect of sulfonation was much larger when the concentration of (CH3)3N was lower in comparison with the original carbon. Intraparticle effective diffusivity, Dic or Diq, was determined by curve-fitting of calculated breakthrough curves with experimental ones. The value of Dic or Diq decreased with the increase of the amount impregnated or the amount of acidic functional groups (-SO3H and -COOH) introduced by sulfonation.
- 公益社団法人 化学工学会の論文
著者
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Takeuchi Yasushi
Department Of Applied Chemistry Graduate School Of Engineering Osaka University
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IKEDA HIROSHI
Deparment of Biology, Faculty of Science, Tokyo Metropolitan University
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ASABA HIDEKI
Department of Industrial Chemistry, Meiji University
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- Removal of H2S, CH3SH and (CH3)3N from air by use of chemically treated activated carbon.