Journal article 1094 views
Effect of the radical scavenger t-butanol on gas–liquid mass transfer
C Tizaoui,
N.M Grima,
M.Z Derdar,
Chedly Tizaoui 
Chemical Engineering Science, Volume: 64, Issue: 21, Pages: 4375 - 4382
Swansea University Author:
Chedly Tizaoui
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DOI (Published version): 10.1016/j.ces.2009.07.008
Abstract
Effect of the radical scavenger t-butanol on gas–liquid mass transfer
| Published in: | Chemical Engineering Science |
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| ISSN: | 0009-2509 |
| Published: |
2009
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa6108 |
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| Item Description: |
Although t-butanol is widely used as radical scavenger in fundamental water-ozonation studies, its effect on gas-liquid mass transfer was not well understood. This study showed that not only t-butanol modified the surface tension but also it affected the solution viscosity which resulted in improved mass transfer coefficient, kL. t-butanol also reduced the bubble sizes and enhanced the gas holdup. Overall the volumetric mass-transfer coefficient, kLa was improved and useful models based on surface coverage were developed. Chemical Engineering Science is the international leading journal in chemical engineering research. |
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| Keywords: |
Mass transfer, Semi-batch reactor, Gas holdup, Bubble size, Ozone, t-butanol |
| College: |
Faculty of Science and Engineering |
| Issue: |
21 |
| Start Page: |
4375 |
| End Page: |
4382 |