High solids fermentation of hydrolysates of wheat starch B in a continuous dynamic immobilized biocatalyst bioreactor

Autor:	Morris Wayman, Shu Chen, Sarad R. Parekh
Rok vydání:	1989
Předmět:	Ethanol Chromatography Starch food and beverages Bioengineering Ethanol fermentation equipment and supplies Applied Microbiology and Biotechnology Yeast Hydrolysate chemistry.chemical_compound Hydrolysis chemistry Biochemistry Bioreactor Fermentation Biotechnology
Zdroj:	Journal of Industrial Microbiology. 4:81-84
ISSN:	1476-5535 0169-4146
DOI:	10.1007/bf01569698
Popis:	A simple and efficient method of conversion of wheat starch B to ethanol was investigated. Employing a two-stage enzymatic saccharification process, 95% of the wheat starch was converted to fermentable sugars in 40 h. From 140 g/l total sugars in the feed solution, 63.6 g/l ethanol was produced continuously with a residence time of 3.3 h in a continuous dynamic immobilized biocatalyst bioreactor by immobilized cells ofSaccharomyces cerevisiae. The advantages and the application of this bioreactor to continuous alcoholic fermentation of industrial substrates are presented.
Databáze:	OpenAIRE
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