Azeotropic phenomena during separation of dilute mixtures of proteins by simulated moving bed chromatography

Joukje Houwing, Hugo A.H. Billiet, Hans A. Wesselingh, Luuk A.M. Van Der Wielen

Research output: Contribution to journalConference articlepeer-review

Abstract

Recently, we have introduced the use of a salt gradient over a simulated moving bed system used for purification of proteins using ion exchange chromatography. This paper describes azeotropic phenomena in such a system, where complete separation of mixtures of proteins is not possible at certain salt concentrations, due to a reversing selectivity. These phenomena impose additional restrictions on the selection of the flow rates in each of the sections of the simulated moving bed which are discussed.

Original languageEnglish
Pages (from-to)213-215
Number of pages3
JournalJournal of Chemical Technology and Biotechnology
Volume74
Issue number3
DOIs
Publication statusPublished - Mar 1999
Externally publishedYes
EventProceedings of the 1999 4th International Conference on Separations for Biotechnology - Reading, GBR
Duration: 29 Mar 199931 Mar 1999

Keywords

  • Azeotrope
  • Bioseparation
  • Moving bed chromatography

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