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Efficient separation of enantiomers by preferential crystallzation in two coupled vessels

MPS-Authors
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Elsner,  M. P.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Ziomek,  G.
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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Citation

Elsner, M. P., Ziomek, G., & Seidel-Morgenstern, A. (2009). Efficient separation of enantiomers by preferential crystallzation in two coupled vessels. AIChE-Journal, 55(3), 640-649. doi:10.1002/aic.11719.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-9357-8
Abstract
The focus of this work is to study the enantioseparation of conglomerate forming systems using an innovative configuration for preferential crystallization. Two batch crystallizers are coupled by an exchange of their liquid phases. In each vessel one of the two enantiomers is seeded initially and crystallizes subsequently. Compared with conventional single batch crystallization the exchange of the crystal free liquid phases between two crystallizers leads to an increase of the concentrations of the preferred enantiomers and therefore to an increase of the driving forces for the crystallization. This enhances the productivity of the process compared with the conventional operation. Copyright © 2009 American Institute of Chemical Engineers (AIChE) [accessed March 17, 2009]