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Ethanol yields during the feeding phase in fed-batch fermentation of sugar-cane blackstrap molasses

✍ Scribed by W. Borzani

Publisher
Springer
Year
1996
Tongue
English
Weight
97 KB
Volume
12
Category
Article
ISSN
1573-0972

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✦ Synopsis

The efficiency of ethanol yield increased from 61% to 88% of the theoretical value as the filling-up time was approached in fed-batch fermentation with Saccharomyces cerevisiae. Temporary accumulation of ethanol within the yeast cells may explain the above variation.

πŸ“œ SIMILAR VOLUMES

Fed-batch alcoholic fermentation of suga
Fed-batch alcoholic fermentation of sugar cane blackstrap molasses: influence of the feeding rate on yeast yield and productivity
✍ JoΓ£o Carlos M. Carvalho; EugΓͺnio Aquarone; Sunao Sato; Milton L. Brazzach; Dante πŸ“‚ Article πŸ“… 1993 πŸ› Springer 🌐 English βš– 324 KB

F e d -b a t c h ethanol f e r m e n t a t i o n tests of sugar cane blackstrap molasses were carried out at 32Β°C and p H 4.5-5.0, using pressed yeast as inoculum, and with no air supply. Two values of the fermentor filling-up time were adopted: 5 h and 7 h. The feeding rates obeyed equation F = F o