日本ゼオライト学会 刊行物 Publication of Japan Zeolite Association

ISSN: 0918–7774
一般社団法人日本ゼオライト学会 Japan Zeolite Association
〒162-0801 東京都新宿区山吹町358-5 アカデミーセンター Japan Zeolite Association Academy Center, 358-5 Yamabuki-cho, Shinju-ku, Tokyo 162-0801, Japan
Zeolite News Letter 10(4): 179-183 (1993)
doi:10.20731/zeoraito.10.4.179

解説解説

吸着カロリメトリーによるゼオライトの研究Studies on zeolite by adsorption calorimetry

豊橋技術科学大学Toyohashi University of Technology

発行日:1993年11月1日Published: November 1, 1993
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吸着熱の熱力学的定義および吸着熱の直接測定によるゼオライトの特性化について解説した。ゼオライトの表面状態と吸着親和性,およびゼオライト細孔空間内での吸着分子の挙動が,吸着熱の値からエネルギー的に解析し得ることを示した。

Heats of adsorption, their thermodynamical definition and their direct measurement, as well as their application for zeolite characterization were briefly reviewed.

Adsorption characteristics of zeolites are characterized by the presence of regular pore structure called nano-space and also of active adsorption sites. The former contributes to the adsorption of pore filling type with van der Waals interaction and the latter to the specific adsorption with higher interaction energy. Analysis of heats of adsorption of a variety of adsorbates can lead to the characterization of zeolite surfaces with regards to their polarity (hydrophilicity-hydrophobicity), acid-base character, surface energy distribution, adsorbed states and so on.

Key words: Zeolite; Nano-space; Adsorption; Calotimetry; Heats of Adsorption

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