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Tower fermentation usingZymomonas mobilisfor ethanol production

โœ Scribed by I. G. Prince; J. P. Barford

Publisher
Springer Netherlands
Year
1982
Tongue
English
Weight
399 KB
Volume
4
Category
Article
ISSN
0141-5492

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โœฆ Synopsis

Flocculation was induced in a pure strain of the bacteria Zymomonas mobili~.

When fermenting glucose to ethanol, cell densities of up to 40g/l were achieved and sustain@d in a 0.92 litre tower fermenter with dilution rates of up to 2.3 hr-'.

A maximum productivity of lOOg EtOH/I/ hr with 98% conversion of the 105g/l glucose feed was achieved. The limitation to performance with increase in throughput arose from incomplete fermentation of the feed glucose, rather than washout of the flocculated bacteria.

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