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Batch fermentation kinetics of ethanol production byZymomonas mobilison cellulose hydrolysate

โœ Scribed by A. Kademi; J. Baratti

Publisher
Springer Netherlands
Year
1996
Tongue
English
Weight
472 KB
Volume
18
Category
Article
ISSN
0141-5492

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โœฆ Synopsis

Growth and ethanol production by three strains (MSN77, thermotolerant, SBE15, osmotolerant and wild type ZM4) of the bacterium Zymomonas mobilis were tested in a rich medium containing the hexose fraction from a cellulose hydrolysate (Aspen wood). The variations of yield and kinetic parameters with fermentation time revealed an inhibition of growth by the ethanol produced. This inhibition may result from the increase in medium osmolality due to ethanol formation from glucose.

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Effect of substrate concentration on eth
Effect of substrate concentration on ethanol production byZymomonas mobilison cellulose hydrolysate
โœ A. Kademi; J. Baratti ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Springer Netherlands ๐ŸŒ English โš– 424 KB

A cellulose hydrolysate from Aspen wood, containing mainly glucose, was fermented into ethanol by a thermotolerant strain MSN77 ofZymomonas mobilis. The effect of the hydrolysate concentration on fermentation parameters was investigated. Growth parameters (specific growth rate and biomass yield) wer