Biomass Pretreatment Process
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United States of America Patent
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Issued Date -
Aug 23, 2012
app pub date -
Apr 27, 2012
filing date -
Jun 25, 2008
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Abandoned
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Abstract
A process is described for pretreating lignocellulosic biomass. The process comprises swelling the lignocellulosic biomass with an aqueous liquid. The pretreated lignocellulosic biomass may be used as a feedstock for the enzymatic conversion to ethanol, or in a thermal conversion. process to produce bio-oil. The pretreatment results in a greater yield and, in the case of a thermal conversion process, a better quality of the bio-oil. The pretreatment process may be used to adjust the composition and amount of inorganic material present in the lignocellulosic biomass material.
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