| Integration of chemical catalysis with extractive fermentation to produce fuels. | |
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MedLine Citation:
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PMID: 23135469 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Nearly one hundred years ago, the fermentative production of acetone by Clostridium acetobutylicum provided a crucial alternative source of this solvent for manufacture of the explosive cordite. Today there is a resurgence of interest in solventogenic Clostridium species to produce n-butanol and ethanol for use as renewable alternative transportation fuels. Acetone, a product of acetone-n-butanol-ethanol (ABE) fermentation, harbours a nucleophilic α-carbon, which is amenable to C-C bond formation with the electrophilic alcohols produced in ABE fermentation. This functionality can be used to form higher-molecular-mass hydrocarbons similar to those found in current jet and diesel fuels. Here we describe the integration of biological and chemocatalytic routes to convert ABE fermentation products efficiently into ketones by a palladium-catalysed alkylation. Tuning of the reaction conditions permits the production of either petrol or jet and diesel precursors. Glyceryl tributyrate was used for the in situ selective extraction of both acetone and alcohols to enable the simple integration of ABE fermentation and chemical catalysis, while reducing the energy demand of the overall process. This process provides a means to selectively produce petrol, jet and diesel blend stocks from lignocellulosic and cane sugars at yields near their theoretical maxima. |
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Authors:
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Pazhamalai Anbarasan; Zachary C Baer; Sanil Sreekumar; Elad Gross; Joseph B Binder; Harvey W Blanch; Douglas S Clark; F Dean Toste |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Nature Volume: 491 ISSN: 1476-4687 ISO Abbreviation: Nature Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-08 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0410462 Medline TA: Nature Country: England |
Other Details:
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Languages: eng Pagination: 235-9 Citation Subset: IM |
Affiliation:
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Department of Chemistry, University of California, Berkeley, California 94720, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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