Ethanol fermentation in a tower fermenter using self-aggregatingSaccharomyces uvarum

淡江大學機構典藏 > 理學院 > 生命科學研究所 > 期刊論文 > Item 987654321/61851

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题名:	Ethanol fermentation in a tower fermenter using self-aggregatingSaccharomyces uvarum
作者:	Chen, Chee-Shan;Chan, E.;Wang, S. L.;Gong, C. S.;Chen, L. F.
贡献者:	淡江大學生命科學研究所
关键词:	Tower fermentor;Saccharomyces uvarum;ethanol fermentation;aggregates;molasses
日期:	1994-03
上传时间:	2013-05-31 11:33:34 (UTC+8)
出版者:	New York: Humana Press
摘要:	A self-aggregating strain ofSaccharomyces uvarum (U4) was used as a biocatalyst to carry out continuous ethanol fermentation in a tower fermentor equipped with a cell separator. Cell aggregates (2–3 mm) formed a stable packed bed in the fermentor, and the cell separator retained yeast cells effectively. Corn steep liquor was used as a nitrogen source for the fermentation of corn syrup and black strap molasses. An ethanol productivity of 54 g/L/h was reached using corn syrup at a dilution rate of 0.7/h, and sugar concentration in the feed was 15% (w/v). For molasses fermentation, an ethanol productivity of 22 g/L/h was obtained at a dilution rate of 0.7/h, and sugar concentration in the feed was 12.5% (w/v). Ethanol yields obtained from tower fermentation are higher than those obtained from flask fermentation (96% for corn syrup fermentation and 92% for molasses fermentation). No significant loss in fermentation activity was observed after 3 mo of operation.
關聯:	Applied Biochemistry and Biotechnology 45-46(1), pp.531-544
DOI:	10.1007/BF02941828
显示于类别:	[生命科學研究所] 期刊論文

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