Atan, Mohd Farid and Hussain, Mohd Azlan and Shamiri, Ahmad (2021) The influence of catalyst flow rate and superficial gas velocity on the modified two-phase model for propylene polymerization in a gas-phase fluidized bed reactor. Canadian Journal of Chemical Engineering, 99 (8). pp. 1745-1757. ISSN 0008-4034, DOI https://doi.org/10.1002/cjce.24021.
Full text not available from this repository.Abstract
Olefin polymerization, especially of propylene in gas-phase fluidized bed reactors, is increasingly prevalent because of its ability to handle the continuous process, among other advantages. The challenge for modelling this process is solving the high nonlinearity phenomena in such a system. This research studies the influence of catalyst flow rate and superficial gas velocity on the modified two-phase model. The catalyst flow rates were set at 1 x 10(-4), 2 x 10(-4), and 3 x 10(-4) kg/s, while the superficial flow rates were set at 0.35, 0.5, and 0.65 m/s. Production rate, reactor temperature, and heat-loss flow rate were found to be proportional to catalyst flow rate and inversely proportional to superficial gas velocity. Heat loss through the fluidized bed wall had an influence only on the reactor temperature. Finally, predicted reactor temperatures corresponded closely to the pilot plant data, with deviations smaller than 0.5%.
| Item Type: | Article |
|---|---|
| Funders: | Ministry of Education, Malaysia, Universiti Malaysia Sarawak (UNIMAS) |
| Uncontrolled Keywords: | Fluidized bed reactor; Gas; Phase; Heat loss; Propylene; Two; Phase model |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Faculty of Engineering > Department of Chemical Engineering |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 31 May 2022 08:11 |
| Last Modified: | 31 May 2022 08:11 |
| URI: | http://eprints.um.edu.my/id/eprint/27213 |
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