Method of making propanol and ethanol from plant material by biological conversion and gasification
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United States of America Patent
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Dec 11, 2012
Grant Date -
Aug 14, 2008
app pub date -
Feb 11, 2008
filing date -
Feb 9, 2007
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Abstract
The invention relates to processes that efficiently convert carbon-containing materials, such as biomass, into products in such a manner that the energy, carbon, and mass content of the materials are efficiently transferred into such products. Such methods include converting the materials into at least one intermediate by a biological conversion process and at least one intermediate by a thermochemical conversion process and reacting the intermediates to form the product. Such methods have a chemical energy efficiency to produce the product that is greater than the chemical energy efficiency of a solely biological conversion process to produce the product and that is greater than the chemical energy efficiency of a process in which all of the material is initially subjected to a thermochemical conversion step as part of the process to produce the product.
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