Prediction of permeation fluxes of small volatile components through starch-based films

E.A. Habeych Narvaez, A.J. van der Goot, R.M. Boom

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)

Abstract

Simple formulas for estimating the Maxwell¿Stefan diffusion of trace volatile compounds through polymeric films in multicomponent mixtures are developed based on free-volume theory and Flory¿Huggins¿Maxwell¿Stefan (FHMS) equation. The model includes the solution-diffusion theory, and predicts the order of magnitude of the permeation fluxes of diacetyl and carvone through starch films. The permeability of volatile components within starch films was dominated by the swelling of the matrix. The methodology required only some physical properties of the components sorption equilibrium.
Original languageEnglish
Pages (from-to)528-536
JournalCarbohydrate Polymers
Volume68
Issue number3
DOIs
Publication statusPublished - 2007

Keywords

  • diffusion
  • model
  • pervaporation
  • membranes

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