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Title: Influence of swelling and diffusion-induced convection on polymer sorption processes
Authors: Alsoy Altınkaya, Sacide
Duda, John Larry
Keywords: Sorption
Phase boundaries
Organic solvents
Issue Date: Sep-2002
Publisher: John Wiley and Sons Inc.
Source: Alsoy, S., and Duda, J. L. (2002). Influence of swelling and diffusion-induced convection on polymer sorption processes. AIChE Journal, 48(9), 1849-1855. doi:10.1002/aic.690480903
Abstract: Unsteady-state sorption of a vapor or liquid by a polymer is modeled to include the influence of the moving phase boundary associated with the polymer swelling and diffusion-induced convection. A formulation presented clearly elucidates the influence of these two effects on the overall sorption process. Numerical solutions of the model equations indicate the errors that can be induced when swelling or convection are neglected. For most polymer-solvent systems, the influence of the diffusion-induced convection associated with volume changes in mixing can be neglected in the analysis of sorption processes. In contrast, the correction for the moving boundary or swelling of the polymer phase can be quite significant, particularly when a large step change in solvent concentration is considered.
ISSN: 0001-1541
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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