An effectiveness factor you can see - Experimental visualization of the effectiveness factor concept in a biological system

Carles Solà, Carles Casas, Francesc Gòdia

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

Effectiveness factor values corresponding to carrageenan immobilized yeast beads packed in a continuous tubular fermenter are ob tained from the mathematical modellization of the reactor performing ethanol fermentation. Simultaneously, microscopical direct observa tion of transversal sections corresponding to two different points in the fermenter is in good agreement with the calculated values: An effectiveness factor near to unity gives a uniform cell distribution in beads, as an effectiveness factor near to 0.75 corresponds to a non uniform cell growth in beads. This observation gives a visual evidence of the validity of the approach used to treat diffusional limitations in biocatalytic particles. © 1991 Humana Press Inc.
Original languageEnglish
Pages (from-to)121-128
JournalApplied Biochemistry and Biotechnology
Volume30
Issue number2
DOIs
Publication statusPublished - 1 Aug 1991

Keywords

  • diffusion and reaction
  • Effectiveness factor
  • ethanol fermentation
  • immobilized cells

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