General Information
    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Dr. Eldin W. C. Lim
    • Executive Editor: Mr. Ron C. Wu
    • Abstracting/ Indexing: Chemical Abstracts Services (CAS), Ulrich's Periodicals Directory, CABI, DOAJ, Electronic Journals Library, Google Scholar, Engineering & Technology Digital Library, ProQuest, and Crossref
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Editor-in-chief
Dr. Eldin W. C. Lim
Dept. of Chemical and Biomolecular Engineering,
National University of Singapore, Singapore
IJCEA 2011 Vol.2(6): 408-415 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2011.V2.143

Application of Fuzzy Modeling and Optimization in Enzymatic Esterification Process

A. Chaibakhsh, N. Chaibakhsh, and M.B. Abdul Rahman
Abstract—In this paper, an application of a neuro-fuzzy modeling approach is presented in order to characterize the essential behavior of enzymatic esterification processes. The accuracy of the developed model was validated by comparing the response of the model and actual experimental data. The simulation results showed good generalization of the proposed model and its ability to predict the reaction yield, where the error of prediction for training data was less than 3%, and for validating and testing data less than 3 and 1.5%, respectively. A model-based optimization was performed to obtain the best operating conditions by using genetic algorithm. A fair comparison between the optimization results obtained from simulation experiments and laboratory data indicated the accuracy and feasibility of the proposed approach for estimating the optimal profiles in biotechnological processes. This can further facilitate up-scaling of the process by selecting the appropriate combinations of potential manufacturing parameters.

Index Terms—Enzymatic esterification, experimental data, model-based optimization, fuzzy logic system, clustering approach, genetic algorithm.

A. Chaibakhsh is with the Department of Mechanical Engineering, University of Guilan, Rasht, Guilan, Iran, (Tel: +98-131-6690055; Fax: +98-131-6690271; e-mail: chaibakhsh@guilan.ac.ir).
N. Chaibakhsh, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia (e-mail: nchaibakhsh@gmail.com).
N. Chaibakhsh, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia (e-mail: nchaibakhsh@gmail.com).

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Cite: A. Chaibakhsh, N. Chaibakhsh, and M.B. Abdul Rahman, "Application of Fuzzy Modeling and Optimization in Enzymatic Esterification Process," International Journal of Chemical Engineering and Applications vol. 2, no. 6, pp. 408-415, 2011.
 

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