## Abstract A mathematical model for estimating the dynamic behavior of ethanol production from mixed sugars such as glucose and xylose is presented. This model was constructed by introducing the term for ethanol production into the diauxic growth model proposed previously by the authors. It was as
Ethanol production from eucalyptus wood hemicellulose hydrolysate by Pichia stipitis
β Scribed by M. D. Ferrari; E. Neirotti; C. Albornoz; E. Saucedo
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 582 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0006-3592
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Phaffia rhodozyma NRRL Y-17268 cells were proliferated in xylose-containing media made from Eucalyptus wood. Wood samples were subjected to acid hydrolysis under mild operational conditions, and hydrolysates were neutralized with lime. Neutralized hydrolysates were treated with charcoal for removing
The bioconversion of xylose into ethanol with the yeast Pichia stipitis CBS 5773 is inhibited when 20 g/L of ethanol are present in the fermentation broth. In order to avoid this limitation, the fermentation was carried out with simultaneous recovery of product by CO 2 stripping. The fermentation wa