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Using wavelets for solving SMB separation process models

Yao, Hongmei , Tian, Yu-Chu, & Tade, Moses O. (2008) Using wavelets for solving SMB separation process models. Industrial and Engineering Chemistry Research, 47(15), pp. 5585-5593.

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Abstract

With the expanding applications of the simulated moving bed (SMB) chromatography technology in various industries, it becomes increasingly significant to systematically investigate SMB process modelling, simulation, and model-based control design. How to control an SMB process effectively is a significant and challenging problem at the frontier of process systems engineering research as well as industrial operation. Addressing the challenges in this area, this paper reviews recent advances in modelling and simulation of SMB separation processes, and also clearly identifies the limitation of the existing modelling techniques in industrial applications. To facilitate SMB process modelling, the paper analyses the structure of the existing models for a better understanding of the functionality and suitability of each model. It is our belief that the effort on model development for process control can be made in two aspects: obtaining the sufficiently accurate model with simple representation and good robustness, and development of computationally efficient algorithms for solving the model equations which ultimately capture the process dynamics. Case studies are carried out to demonstrate the key concepts of process modelling and numerical solution of the models. The Wavelet based methods that we recently investigated are highlighted.

Impact and interest:

5 citations in Scopus
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4 citations in Web of Science®

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ID Code: 14348
Item Type: Journal Article
Additional Information: This article is freely available from the American Chemical Society website 12 months after the publication date. See links to publisher website in this record.
Keywords: SMB separation, chromatography, modelling, model solution, wavelet application
DOI: 10.1021/ie071246g
ISSN: 0888-5885
Subjects: Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > NUMERICAL AND COMPUTATIONAL MATHEMATICS (010300) > Numerical Analysis (010301)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CHEMICAL ENGINEERING (090400) > Membrane and Separation Technologies (090404)
Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > NUMERICAL AND COMPUTATIONAL MATHEMATICS (010300) > Numerical Analysis (010301)
Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > PURE MATHEMATICS (010100) > Ordinary Differential Equations Difference Equations and Dynamical Systems (010109)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CHEMICAL ENGINEERING (090400) > Process Control and Simulation (090407)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2008 American Chemical Society
Deposited On: 11 Aug 2008
Last Modified: 29 Feb 2012 23:47

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