Characteristics of helium adsorption on microporous solids under cryogenic conditions.
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- Kumita Mikio
- Department of Energy Engineering and Science, Nagoya Universiry
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- Ozaki Junya
- Department of Energy Engineering and Science, Nagoya Universiry
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- Kobayashi Jun
- Department of Energy Engineering and Science, Nagoya Universiry
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- Ito Mutsuhiro
- Department of Energy Engineering and Science, Nagoya Universiry
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- Watanabe Fujio
- Department of Energy Engineering and Science, Nagoya Universiry
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- Hasatani Masanobu
- Department of Energy Engineering and Science, Nagoya Universiry
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A new volumetric method using helium adsorption was proposed to make microporous solids with clear pore structures. Adsorption equilibria of helium on silica-alumina, activated carbon and zeolites were measured at a temperature around its boiling point. The helium adsorption isotherms obtained were compared with the nitrogen adsorption isotherms. As a result, the amounts of helium adsorbed on all adsorbents used were much greater than those of nitrogen adsorbed in the low relative pressure region, indicating that helium is a useful molecule to investigate microporous structures of such materials. Therefore, the possibility that this method be applied to micropore characterization was suggested. The results of B.E.T. specific surface areas also support this conclusion.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 28 (2), 159-164, 1995
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204565383424
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- NII論文ID
- 10002133354
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DyaK2MXlsVajtrc%3D
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- ISSN
- 18811299
- 00219592
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可