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Separation technologies for the recovery and dehydration of alcohols from fermentation broths Biofuels, Bioproducts and Biorefining Volume 2, Issue 6, Date: November/December 2008, Pages: 553-588 Leland M. Vane |
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2007280038037(½ð±Ò+1,VIP+0):Äܲ鵽ȫÎÄÂð Äܲ鵽µÄ»° Âé·³¸øÉÏ´«Ò»Ï 4-10 21:17
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Review Separation technologies for the recovery and dehydration of alcohols from fermentation broths Leland M. Vane, PhD * US Environmental Protection Agency, Cincinnati, Ohio email: Leland M. Vane (Vane.Leland@epa.gov) *Correspondence to Leland M. Vane, National Risk Management Research Laboratory, Office of Research and Development, US Environmental Protection Agency, Cincinnati, Ohio 45268. This article is a US Government work and is in the public domain in the USA. Keywords separation processes • biofuels • energy efficiency • dehydration • ethanol Abstract Multi-column distillation followed by molecular sieve adsorption is currently the standard method for producing fuel-grade ethanol from dilute fermentation broths in modern corn-to-ethanol facilities. As the liquid biofuels industry transitions to lignocellulosic feedstocks, expands the end-product portfolio to include other alcohols, and encounters more dilute alcohol concentrations, alternative separation technologies which are more energy efficient than the conventional approach will be in demand. In this review, alcohol recovery technology options and alcohol dehydration technology options for the production of ethanol and 1-butanol are reviewed and compared, with an emphasis on the energy footprint of each approach. Select hybrid technologies are also described. Published in 2008 by John Wiley & Sons, Ltd ÊÇÕâ¸öÂð |

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2007280038037
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