The capability of the continuous tower fermenter to accumulate and retain high cell densities (70-90 g dry wt/l) when using naturally flocculant yeasts is demonstrated with semi-defined glucose feed at concentrations of 120-200 g/l and high hydraulic loadings. Conversion and ethanol productivity dat
Aeration in fermentation for ethanol production
โ Scribed by B.H. Kirsop
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 135 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0141-0229
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๐ SIMILAR VOLUMES
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% conve
Optimal conditions for ethanol production in 7% whey solutions by the yeast Canclida pseudo~opic~ ATCC 8619 included initial pH of 4.57 and 30ยฐC. Complete fermentation of the available lactose took place without supplementary nutrients; additions of nitrogen or phosphorus salts, yeast extract or co