Multicomponent Adsorption with Uneven Saturation Capacities

  • Tingyue Gu

Abstract

In chromatographic separations of large biomolecules, such as proteins, using porous adsorbents, a size exclusion effect may be significant. Some large molecules cannot access either part of the small macropores in the adsorbent particles or all the macropores. This is especially possible in chromatographic separations of large proteins. For a multicomponent system involving components with very different molecular sizes, the extent of size exclusion is not the same for all the components. This causes uneven adsorption saturation capacities (based on moles) for the components. The least excluded component tends to have the highest saturation capacity and vice versa.

Keywords

Migration 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Tingyue Gu
    • 1
  1. 1.Dept. of Chemical Engineering, Stocker CenterOhio UniversityAthensUSA

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