Helical liquid flow on a vertical cylinder and its application to gas absorption
An experimental examination of a novel device for enhancing the gas absorption into an aqueous absorbent flowing down the outer wall of a vertical cylinder was reported. This device utilizes flexible strings tightly wound around the cylinder, taking the form of a multiple helix. The absorbent flows...
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| Veröffentlicht in: | AIChE journal 2013-08, Vol.59 (8), p.3109-3118 |
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| container_end_page | 3118 |
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| container_issue | 8 |
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| container_title | AIChE journal |
| container_volume | 59 |
| creator | Komae, Naoya Sato, Yuki Mori, Yasuhiko H. |
| description | An experimental examination of a novel device for enhancing the gas absorption into an aqueous absorbent flowing down the outer wall of a vertical cylinder was reported. This device utilizes flexible strings tightly wound around the cylinder, taking the form of a multiple helix. The absorbent flows along parallel channels partitioned by the strings, maintaining mutual contact with the surrounding gas for a longer time than it would when it flows down the same cylinder wall in the absence of such strings. Both flow‐observation experiments and absorption experiments using water as the absorbent flowing along a single helical channel and carbon dioxide as the gas to be absorbed were carried out. The effectiveness of the helical‐flow device for promoting the absorption was recognized at water flow rates high enough to induce an oscillatory flow mode accompanied by periodical liquid−gas interface deformation. © 2013 American Institute of Chemical Engineers AIChE J, 59: 3109–3118, 2013 |
| doi_str_mv | 10.1002/aic.14079 |
| format | Article |
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This device utilizes flexible strings tightly wound around the cylinder, taking the form of a multiple helix. The absorbent flows along parallel channels partitioned by the strings, maintaining mutual contact with the surrounding gas for a longer time than it would when it flows down the same cylinder wall in the absence of such strings. Both flow‐observation experiments and absorption experiments using water as the absorbent flowing along a single helical channel and carbon dioxide as the gas to be absorbed were carried out. 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| ispartof | AIChE journal, 2013-08, Vol.59 (8), p.3109-3118 |
| issn | 0001-1541 1547-5905 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1671628863 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Absorbents Aqueous chemistry Carbon dioxide Channels CO2 separation Cylinders Deformation Devices Gas absorption gas−liquid contactor Helical Indexing in process mass transfer mass-transfer equipment Strings Walls Water flow |
| title | Helical liquid flow on a vertical cylinder and its application to gas absorption |
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