Isolation of a target component from a multicomponent mixture by coupling batch 
and continuous countercurrent chromatography

Shan, Y.; Seidel-Morgenstern, A.

doi:10.1002/ceat.200500034

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Isolation of a target component from a multicomponent mixture by coupling batch and continuous countercurrent chromatography

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Shan, Y.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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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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Shan, Y., & Seidel-Morgenstern, A. (2005). Isolation of a target component from a multicomponent mixture by coupling batch and continuous countercurrent chromatography. Chemical Engineering and Technology, 28(6), 695-704. doi:10.1002/ceat.200500034.

Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0013-9CCA-4

Zusammenfassung

A typical situation in preparative chromatography is that a certain target component elutes somewhere in the middle of a train of other components present in the feed. In order to isolate efficiently this target component the operating conditions of conventional batch chromatography have to be optimized carefully. Nevertheless, the achievable production rates and recovery yields are frequently low. Recently a possible alternative was suggested [1] based on using batch chromatography just as a first step providing fractions where the target component has the highest or lowest retention time. Subsequently, these fractions could be processed using continuous countercurrent chromatography in order to isolate the target component. Such a coupled process is analyzed theoretically for the case of linear adsorption isotherms. Based on results of simulations using a) the ideal model of chromatography and b) the equilibrium dispersive model it is demonstrated that the coupled process arrangement could possess advantages, compared to the application of batch chromatography alone. Copyright © 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim [accessed 2013 November 27th]