Simulation and optimisation of a rapid pressure swing reactor

Cheng, YS, Alpay, E and Kershenbaum, LS (1998) Simulation and optimisation of a rapid pressure swing reactor Computers and Chemical Engineering, 22 (SUPPL.).

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Abstract

A rapid pressure swing reactor, which conducts reaction and adsorption/desorption simultaneously and is operated in a periodic pressure variation mode, is investigated through computer simulation and optimisation. A general mathematical model which takes account of the dynamic variation and spatial distribution of properties within the bed has been formulated and described by a set of partial differential and algebraic equations. Both the successive substitution and simultaneous discretisation approaches have been used for determining cyclic steady state. The method of orthogonal collocation on finite elements is employed for the discretisation of both the spatial and temporal domains. Simulation experience indicates that the simultaneous discretisation approach is much more robust and efficient when compared to the successive substitution approach. The optimisation of the rapid pressure swing reactor is studied via the simultaneous discretisation approach. A significant improvement over the equilibrium yield is shown by the optimisation results for a reversible dissociation reaction. © 1998 Elsevier Science Ltd. All rights reserved.

Item Type:	Article
Authors :	Name Email ORCID Cheng, YS Alpay, E e.alpay@surrey.ac.uk Kershenbaum, LS
Date :	1 December 1998
Depositing User :	Symplectic Elements
Date Deposited :	17 May 2017 13:07
Last Modified :	19 Jun 2018 06:12
URI:	http://epubs.surrey.ac.uk/id/eprint/838003

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