Integrated Cellulosic Ethanol Production Process

USPTO Patent Application US 2017/0044577 A1
Application Date: Feb. 16th, 2017


Integrated cellulosic ethanol and corn ethanol production processes reduce the capital and operating costs of cellulosic ethanol production through high levels of integration with pre-existing corn ethanol processing equipment. The...
Application Number:
International Classification:
C12P 7/10 (20060101)
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What is claimed is:

1. A corn-ethanol production method comprising: a. fractionating corn to produce corn starch;b. converting the corn starch into maltodextrin; andc. cofermenting hemicellulose sugars and the maltodextrin in a fermentation reactor in the presence of a yeast capable of fermenting hemicellulose sugar and glucose to ethanol;wherein the yeast is further capable of converting...



Ethanol production from corn is the primary method of ethanol production in the United States. In 2013, there were 211 corn ethanol facilities in the U.S. capable of producing a total of about 14.8 billion gallons of ethanol annually. See, e.g., Battling for the Barrel: 2013 Ethanol Industry Outlook. Washington,...
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