Quantifying temperature and flow rate effects on the performance of a fixed-bed 
chromatographic reactor

Vu, T. D.; Seidel-Morgenstern, A.

doi:10.1016/j.chroma.2011.09.018

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Quantifying temperature and flow rate effects on the performance of a fixed-bed chromatographic reactor

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Seidel-Morgenstern, A.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Citation

Vu, T. D., & Seidel-Morgenstern, A. (2011). Quantifying temperature and flow rate effects on the performance of a fixed-bed chromatographic reactor. Journal of Chromatography A, 1218(44), 8097-8109. doi:10.1016/j.chroma.2011.09.018.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-8DE3-1

Abstract

Chromatographic reactors are based on coupling chemical reactions with chromatographic separation in fixed-beds. Temperature and flow rate are important parameters for the performance of such reactors. Temperature effects mainly adsorption, chemical equilibria, mass transfer and reaction kinetics, whereas flow rate influences residence time and dispersion. In order to evaluate the mentioned effects, the hydrolysis reactions of methyl formate (MF) and methyl acetate (MA) were chosen as case studies. These reactions were performed experimentally in a lab-scale fixed-bed chromatographic reactor packed with a strong acidic ion exchange resin. The chosen reactions can be considered to represent a relative fast (MF) and a relative slow (MA) reaction. The processes which take place inside the reactor were described and simulated using an isothermal equilibrium dispersive model. The essential model parameters were determined experimentally at different temperatures and flow rates. The performance of the chromatographic reactor was evaluated at several discrete constant temperature levels by quantifying product purity, productivity and yield. The work provides insight regarding the influence of temperature and flow rate on values of the model parameters and the performance criteria. Copyright © 2011 Published by Elsevier B.V. [accessed October 7th 2011]