| Catalytic hydrothermal processing of microalgae: Decomposition and upgrading of lipids. | |
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MedLine Citation:
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PMID: 21295976 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Hydrothermal processing of high lipid feedstock such as microalgae is an alternative method of oil extraction which has obvious benefits for high moisture containing biomass. A range of microalgae and lipids extracted from terrestrial oil seed have been processed at 350°C, at pressures of 150-200bar in water. Hydrothermal liquefaction is shown to convert the triglycerides to fatty acids and alkanes in the presence of certain heterogeneous catalysts. This investigation has compared the composition of lipids and free fatty acids from solvent extraction to those from hydrothermal processing. The initial decomposition products include free fatty acids and glycerol, and the potential for de-oxygenation using heterogeneous catalysts has been investigated. The results indicate that the bio-crude yields from the liquefaction of microalgae were increased slightly with the use of heterogeneous catalysts but the higher heating value (HHV) and the level of de-oxygenation increased, by up to 10%. |
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Authors:
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P Biller; R Riley; A B Ross |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-5 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-2-7 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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Energy and Resources Research Institute, School of Process, Environmental and Materials Engineering, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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