| Waste molasses alone displaces glucose-based medium for microalgal fermentation towards cost-saving biodiesel production. | |
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MedLine Citation:
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PMID: 21474303 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The by-product of sugar refinery-waste molasses was explored as alternative to glucose-based medium of Chlorella protothecoides in this study. Enzymatic hydrolysis is required for waste molasses suitable for algal growth. Waste molasses hydrolysate was confirmed as a sole source of full nutrients to totally replace glucose-based medium in support of rapid growth and high oil yield from algae. Under optimized conditions, the maximum algal cell density, oil content, and oil yield were respectively 70.9g/L, 57.6%, and 40.8g/L. The scalability of the waste molasses-fed algal system was confirmed from 0.5L flasks to 5L fermenters. The quality of biodiesel from waste molasses-fed algae was probably comparable to that from glucose-fed ones. Economic analysis indicated the cost of oil production from waste molasses-fed algae reduced by 50%. Significant cost reduction of algal biodiesel production through fermentation engineering based on the approach is expected. |
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Authors:
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Dong Yan; Yue Lu; Yi-Feng Chen; Qingyu Wu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-16 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-4-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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School of Life Sciences, Tsinghua University, Beijing 100084, PR China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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