CO Adsorption Properties of Activated Carbon Fibres under Ambient Conditions
In this study, we investigated the possibilities of using activated carbon fibre (ACF) as a carbon capture and storage (CCS) technology. The CO 2 adsorption isotherms of ACFs with different porosities were systematically examined at 273 and 298 K under ambient pressure conditions. The porosities of...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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SAGE Publishing
2012-07-01
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| Series: | Adsorption Science & Technology |
| Online Access: | https://doi.org/10.1260/0263-6174.30.7.621 |
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| author | Yoshitaka Nakahigashi Hirofumi Kanoh Tomonori Ohba Masumi Baba Yoshiyuki Hattori Naoya Inoue Masafumi Morimoto |
| author_facet | Yoshitaka Nakahigashi Hirofumi Kanoh Tomonori Ohba Masumi Baba Yoshiyuki Hattori Naoya Inoue Masafumi Morimoto |
| author_sort | Yoshitaka Nakahigashi |
| collection | DOAJ |
| description | In this study, we investigated the possibilities of using activated carbon fibre (ACF) as a carbon capture and storage (CCS) technology. The CO 2 adsorption isotherms of ACFs with different porosities were systematically examined at 273 and 298 K under ambient pressure conditions. The porosities of the ACFs were characterized by the adsorption of nitrogen at 77 K. We analyzed the adsorption capabilities of three types of ACFs (A5, A10 and A20) having different slit-shaped pore widths, specific surface areas and micropore volumes. Our results reveal that A5 had ultramicropores and achieved a higher adsorption of CO 2 at low relative pressure (<0.015) at 273 K. However, A10, which had an average pore width of 0.9 nm, exhibited the highest adsorption capacity of 195 mg g −1 at a higher pressure of about 100 kPa, which is a relatively high value compared with that of conventional activated carbon. By establishing the temperature dependence of CO 2 adsorptivity and using Dubinin–Radushkevich analysis, we characterized the interaction energy between pores and CO 2 molecules. Our results shed light on the fundamental aspects of CO 2 adsorption of ACFs, moving them towards being a viable CCS. |
| format | Article |
| id | doaj-art-3528d4804b6f4c29b9f334f0188836c4 |
| institution | Kabale University |
| issn | 0263-6174 2048-4038 |
| language | English |
| publishDate | 2012-07-01 |
| publisher | SAGE Publishing |
| record_format | Article |
| series | Adsorption Science & Technology |
| spelling | doaj-art-3528d4804b6f4c29b9f334f0188836c42025-01-03T00:11:13ZengSAGE PublishingAdsorption Science & Technology0263-61742048-40382012-07-013010.1260/0263-6174.30.7.621CO Adsorption Properties of Activated Carbon Fibres under Ambient ConditionsYoshitaka Nakahigashi0Hirofumi Kanoh1Tomonori Ohba2Masumi Baba3Yoshiyuki Hattori4Naoya Inoue5Masafumi Morimoto6 Department of Chemistry, Graduate School of Science, Chiba University, Chiba, Japan Department of Chemistry, Graduate School of Science, Chiba University, Chiba, Japan Department of Chemistry, Graduate School of Science, Chiba University, Chiba, Japan Department of Chemistry, Graduate School of Science, Chiba University, Chiba, Japan Department of Applied Chemistry, Faculty of Textile, Shinshu University, Ueda, Japan Marketing Department, Malvern Japan, Kobe, Japan Marketing Department, Malvern Japan, Kobe, JapanIn this study, we investigated the possibilities of using activated carbon fibre (ACF) as a carbon capture and storage (CCS) technology. The CO 2 adsorption isotherms of ACFs with different porosities were systematically examined at 273 and 298 K under ambient pressure conditions. The porosities of the ACFs were characterized by the adsorption of nitrogen at 77 K. We analyzed the adsorption capabilities of three types of ACFs (A5, A10 and A20) having different slit-shaped pore widths, specific surface areas and micropore volumes. Our results reveal that A5 had ultramicropores and achieved a higher adsorption of CO 2 at low relative pressure (<0.015) at 273 K. However, A10, which had an average pore width of 0.9 nm, exhibited the highest adsorption capacity of 195 mg g −1 at a higher pressure of about 100 kPa, which is a relatively high value compared with that of conventional activated carbon. By establishing the temperature dependence of CO 2 adsorptivity and using Dubinin–Radushkevich analysis, we characterized the interaction energy between pores and CO 2 molecules. Our results shed light on the fundamental aspects of CO 2 adsorption of ACFs, moving them towards being a viable CCS.https://doi.org/10.1260/0263-6174.30.7.621 |
| spellingShingle | Yoshitaka Nakahigashi Hirofumi Kanoh Tomonori Ohba Masumi Baba Yoshiyuki Hattori Naoya Inoue Masafumi Morimoto CO Adsorption Properties of Activated Carbon Fibres under Ambient Conditions Adsorption Science & Technology |
| title | CO Adsorption Properties of Activated Carbon Fibres under Ambient Conditions |
| title_full | CO Adsorption Properties of Activated Carbon Fibres under Ambient Conditions |
| title_fullStr | CO Adsorption Properties of Activated Carbon Fibres under Ambient Conditions |
| title_full_unstemmed | CO Adsorption Properties of Activated Carbon Fibres under Ambient Conditions |
| title_short | CO Adsorption Properties of Activated Carbon Fibres under Ambient Conditions |
| title_sort | co adsorption properties of activated carbon fibres under ambient conditions |
| url | https://doi.org/10.1260/0263-6174.30.7.621 |
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