A hybrid processing method for high performance hydrogen-selective silica membranes
Development of high performance hydrogen-selective inorganic membrane has become an important requisite for the production of hydrogen, an energy carrier that could cater the ongoing energy revolution. This paper describes a novel, hybrid method to process high performance hydrogen perm-selective me...
| Main Authors: | , , , , |
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| Format: | Journal Article |
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Elsevier B.V
2007
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.11937/3776 |
| _version_ | 1848744324217438208 |
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| author | Nair, Balagopal Gopalakrishnan, S. Yoshino, Y. Nomura, M. Nakao, S. |
| author_facet | Nair, Balagopal Gopalakrishnan, S. Yoshino, Y. Nomura, M. Nakao, S. |
| author_sort | Nair, Balagopal |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Development of high performance hydrogen-selective inorganic membrane has become an important requisite for the production of hydrogen, an energy carrier that could cater the ongoing energy revolution. This paper describes a novel, hybrid method to process high performance hydrogen perm-selective membranes by the rapid CVD modification of a sol-gel silica layer. The initial N2 permeance values through a membrane were brought down by four orders of magnitude to 2.741010 mol m2 s1 Pa1 within 5 min of CVD, while maintaining the H2 permeance values as high as 6.43107 mol m2 s1 Pa1 (H2/N2 = 2300). It is likely that the reduction in the CVD zone thickness achieved by the presence of pre-existing sol-gel silica layer is the reason for the rapid modification of the pore structure to high performance membranes. |
| first_indexed | 2025-11-14T05:59:39Z |
| format | Journal Article |
| id | curtin-20.500.11937-3776 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T05:59:39Z |
| publishDate | 2007 |
| publisher | Elsevier B.V |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-37762019-02-19T05:34:47Z A hybrid processing method for high performance hydrogen-selective silica membranes Nair, Balagopal Gopalakrishnan, S. Yoshino, Y. Nomura, M. Nakao, S. Hydrogen separation Membrane reactor Sol-gel Silica membranes CVD Development of high performance hydrogen-selective inorganic membrane has become an important requisite for the production of hydrogen, an energy carrier that could cater the ongoing energy revolution. This paper describes a novel, hybrid method to process high performance hydrogen perm-selective membranes by the rapid CVD modification of a sol-gel silica layer. The initial N2 permeance values through a membrane were brought down by four orders of magnitude to 2.741010 mol m2 s1 Pa1 within 5 min of CVD, while maintaining the H2 permeance values as high as 6.43107 mol m2 s1 Pa1 (H2/N2 = 2300). It is likely that the reduction in the CVD zone thickness achieved by the presence of pre-existing sol-gel silica layer is the reason for the rapid modification of the pore structure to high performance membranes. 2007 Journal Article http://hdl.handle.net/20.500.11937/3776 10.1016/j.memsci.2007.03.034 Elsevier B.V fulltext |
| spellingShingle | Hydrogen separation Membrane reactor Sol-gel Silica membranes CVD Nair, Balagopal Gopalakrishnan, S. Yoshino, Y. Nomura, M. Nakao, S. A hybrid processing method for high performance hydrogen-selective silica membranes |
| title | A hybrid processing method for high performance hydrogen-selective silica membranes |
| title_full | A hybrid processing method for high performance hydrogen-selective silica membranes |
| title_fullStr | A hybrid processing method for high performance hydrogen-selective silica membranes |
| title_full_unstemmed | A hybrid processing method for high performance hydrogen-selective silica membranes |
| title_short | A hybrid processing method for high performance hydrogen-selective silica membranes |
| title_sort | hybrid processing method for high performance hydrogen-selective silica membranes |
| topic | Hydrogen separation Membrane reactor Sol-gel Silica membranes CVD |
| url | http://hdl.handle.net/20.500.11937/3776 |