| Pilot-scale production of fuel ethanol from concentrated food waste hydrolysates using Saccharomyces cerevisiae H058. | |
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MedLine Citation:
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PMID: 23010725 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The aim of this study was to develop a bioprocess to produce ethanol from food waste at laboratory, semipilot and pilot scales. Laboratory tests demonstrated that ethanol fermentation with reducing sugar concentration of 200 g/L, inoculum size of 2 % (Initial cell number was 2 × 10(6) CFU/mL) and addition of YEP (3 g/L of yeast extract and 5 g/L of peptone) was the best choice. The maximum ethanol concentration in laboratory scale (93.86 ± 1.15 g/L) was in satisfactory with semipilot scale (93.79 ± 1.11 g/L), but lower than that (96.46 ± 1.12 g/L) of pilot-scale. Similar ethanol yield and volumetric ethanol productivity of 0.47 ± 0.02 g/g, 1.56 ± 0.03 g/L/h and 0.47 ± 0.03 g/g, 1.56 ± 0.03 g/L/h after 60 h of fermentation in laboratory and semipilot fermentors, respectively, however, both were lower than that (0.48 ± 0.02 g/g, 1.79 ± 0.03 g/L/h) of pilot reactor. In addition, simple models were developed to predict the fermentation kinetics during the scale-up process and they were successfully applied to simulate experimental results. |
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Authors:
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Shoubao Yan; Xiangsong Chen; Jingyong Wu; Pingchao Wang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-21 |
Journal Detail:
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Title: Bioprocess and biosystems engineering Volume: - ISSN: 1615-7605 ISO Abbreviation: Bioprocess Biosyst Eng Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-9-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088505 Medline TA: Bioprocess Biosyst Eng Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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School of Life Science, Huainan Normal University, Huainan, Anhui, 232001, People's Republic of China, yhj_ysb@sohu.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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