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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yen, Hong-Wei Wang, Yi-Cheng |
| Description | Author Affiliation: Yen HW ( Department of Chemical and Materials Engineering, Tunghai University, Taichung, Taiwan, ROC. hwyen@thu.edu.tw) |
| Abstract | High butanol accumulation is due to feedback inhibition which leads to the low butanol productivity observed in acetone-butanol-ethanol (ABE) fermentation. The aim of this study is to use biodiesel as an extractant for the in situ removal of butanol from the broth. The results indicate that adding biodiesel as an extractant at the beginning of fermentation significantly enhances butanol production. No significant toxicity of biodiesel on the growth of Clostridium acetobutylicum is observed. In the fed-batch operation with glucose feeding, the maximum total butanol obtained is 31.44 g/L, as compared to the control batch (without the addition of biodiesel) at 9.85 g/L. Moreover, the productivity obtained is 0.295 g/L h in the fed-batch, which is higher than that of 0.185 g/L h for the control batch. The in situ butanol removal by the addition of biodiesel has great potential for commercial ABE production. |
| ISSN | 09608524 |
| Volume Number | 145 |
| e-ISSN | 18732976 |
| Journal | Bioresource Technology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-10-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Acetone Metabolism Biofuels Butanols Isolation & Purification Clostridium Acetobutylicum Ethanol Liquid-liquid Extraction Methods Biotechnology Chromatography, Gas Fermentation Spectrophotometry Journal Article Research Support, Non-u.s. Gov't Discipline Bioresource |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Medicine Environmental Engineering Renewable Energy, Sustainability and the Environment Bioengineering |
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