EFFECT OF CELL IMMOBILIZATION IN FERMENTATIONS USING CRUDE HEMICELLULOSE HYDROLYSATE

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Abstract

The effect of immobilization in calcium alginate gel on S. cerevisiae GSE16-T18 HAA1 cells was evaluated in fermentations using crude hemicellulose hydrolysate, which was obtained by acid pretreatment of sugarcane bagasse. Fermentations were carried out in repeated batches, using free and immobilized cells . Results show that fermentations with immobilized cells present higher ethanol yield as well as lower byproduct production, in comparison to the experiments performed with free cells.

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Institutions
  • 1 Universidade Federal de São Carlos
  • 2 Instituto de Recursos Naturais (IRN) / Universidade Federal de Itajubá (UNIFEI)
  • 3 Departamento de Engenharia Química / Universidade Federal de São Carlos
Track
  • 10. Biorefinery: Biomolecules and Biofuels
Keywords
fermentation
crude hydrolysate
Cell immobilization