Mixed Desorption of He, H2, and CH4 Adsorbed on Charcoal Maximally Cooled at 10 K

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概要

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• Desorption rates of mixtures of He, H2, and CH4 adsorbed on activated carbon placed in an enclosed vessel are determined under the condition where the temperature is elevated from 10 K to room temperature. Activated carbon is selected because of its good adsorption performance at the cryogenic temperature. The carbon used in the present study is covered with mesopores or micropores from 1 to 10 nm in diameter. The adsorption and desorption of their respective gases proceed independently, and the desorption behavior of each component is well expressed in terms of a Langmuir-Freundlich isotherm. Since desorption curves under different heating conditions can be correlated to the same one on a (T-pt) plot, it is considered that gas desorption proceeds under equilibrium condition between the adsorbent and gaseous phases. Two- or three-component desorption of He, H2, and CH4 from activated carbon can be described using an extended multicomponent Langmuir-Freundlich isotherm without any correction. Desorption curves calculated for their respective gases are in comparatively good agreement with experimental data.

• 社団法人 日本原子力学会の論文

著者

• FUKADA Satoshi

  Department of Applied Quantum Physics and Nuclear Engineering, Kyusyu University

• Terashita Masashi

  Department of Advanced Energy Engineering Science, Kyushu University

関連論文

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• Mixed Desorption of He, H_2, and CH_4 Adsorbed on Charcoal Maximally Cooled at 10K

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