Temperature control of a bench-scale batch polymerization reactor for polystyrene production

Ghasem, N.M. and Sata, S.A. and Hussain, Mohd Azlan (2007) Temperature control of a bench-scale batch polymerization reactor for polystyrene production. Chemical Engineering & Technology, 30 (9). pp. 1193-1202. ISSN 0930-7516, DOI https://doi.org/10.1002/ceat.200700165.

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Official URL: https://doi.org/10.1002/ceat.200700165


Batch polymerization reactors commonly use optimal temperature control as the strategic operation parameter. This strategy allows for better operability and a more economic process. The main objective of the batch polymerization reactor control is to obtain acceptable product quality. Direct measurement of polymer quality is rarely achievable, which makes the online control of the reactor difficult. Temperature is the most controllable operational variable in the polymer reactor, which is seen to have a direct effect on the polymer properties. Temperature is chosen as the set point by using either the isothermal temperature or optimal temperature trajectory. Online control of the optimal temperature profile of a bench-scale batch polymerization reactor was experimentally investigated in this study. The temperature trajectory was used as the target for controllers to follow. The time-profile temperature was obtained with the objective of obtaining the desired conversion and number-average chain length within the minimum time. Two advanced controls of fuzzy logic control and generic model control were applied to the polymer reactor. A comparison of the controllers reveals that both performed better than conventional controllers.

Item Type: Article
Additional Information: 211TS Times Cited:4 Cited References Count:30
Uncontrolled Keywords: Batch reactors; Fuzzy logic; Polymerization; Polystyrene; Fuzzy control; Polystyrenes; Temperature control; Generic model control; Online control; Polymer reactor
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 10 Jul 2013 04:27
Last Modified: 04 Nov 2019 06:37
URI: http://eprints.um.edu.my/id/eprint/7051

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