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2008 National dry mill corn ethanol survey

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Title: 2008 National dry mill corn ethanol survey
Author(s): Mueller, Steffen
Subject(s): corn ethanol energy
Abstract: Emerging regulations require an examination of corn ethanol’s greenhouse gas emissions on a life cycle basis, including emissions from energy consumed at the plant level. However, comprehensive survey data of the industry’s average performance dates back to 2001, prior to the industry’s expansion phase. Responding to the need for updated data, we conducted a survey to collect energy and processing data for average dry mill ethanol produced during 2008. The study finds that the average liter of anhydrous corn ethanol produced during 2008 requires 28.2% less thermal energy than 2001 ethanol: 7.18 MJ/l compared to 10.00 MJ/l. Also, 2008 ethanol requires 32.1% less electricity: 0.195 kWh/l compared to 0.287 kWh/l, but anhydrous ethanol yields from corn are 5.3% higher and total 0.416 l/kg compared to 0.395 l/kg. Findings also suggest that older plants installed energy efficiency retrofits.
Issue Date: 2010-09
Publisher: Springer Verlag
Citation Info: Mueller, S. 2010. 2008 National dry mill corn ethanol survey. Biotechnology Letters, 32(9): 1261-1264. DOI: 10.1007/s10529-010-0296-7
Type: Article
Description: Postprint version of article may differ from published version. The original publication is available at www.springerlink.com. DOI: 10.1007/s10529-010-0296-7
URI: http://hdl.handle.net/10027/7205
ISSN: 0141-5492
Date Available in INDIGO: 2011-01-09
 

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