A MULTILAYER MODEL FOR ADSORPTION OF WATER ON ACTIVATED ALUMINA IN RELATION TO ADSORPTION POTENTIAL
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概要
- 論文の詳細を見る
Adsorption of water vapor on activated alumina was examined by a gravimetric method. The experimental results are described by a Freundlich-type polynomial with respect to the adsorption potential. In order to characterize the adsorption, a multilayer of water is assumed here on the alumina surface. Considering the hydrogen-bonding, several types of formation are modeled on structural hydroxyl groups supposed as the surface sites. In the modeling, two kinds of rules are observed in the relationship between the accumulating layers; structural ratios of molecules and allotment ratios of the potentials. In accordance with these rules, an attempt is made to derive an expression for the multilayer adsorption in a model by applying a Freundlich-type equation to the surface monolayer adsorption. The derivation gives a polynomial similar to the empirical expression. It is found from comparison of the parameters of both equations that the model multilayer is consistent in the examined adsorption system.
- 社団法人 化学工学会の論文
- 1993-08-20
著者
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Nishikawa Masabumi
Department Of Nuclear Engineering Kyushu University
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Nishikawa Masabumi
Department Of Advanced Energy Engineering Science Interdisciplinary Graduate School Of Engineering S
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Matsui Tetsuya
Department Of Nuclear Engineering Graduate School Of Engineering Nagoya University
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Enoeda M
Japan Atomic Energy Res. Inst. Ibaraki Jpn
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Matsui Tetsuya
Department Of Nuclear Engineering Kyushu University
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KOTOH Kenji
Department of Nuclear Engineering, Kyushu University
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ENOEDA Mikio
Department of Nuclear Engineering, Kyushu University
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Kotoh K
Kyushu Univ. Fukuoka
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Kotoh Kenji
Department Of Applied Quantum And Nuclear Engineering Kyushu University
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ENOEDA Mikio
Department of Nuclear Engineering, Faculty of Engineering, Kyushu University
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