PROCESS FOR TREATING LIGNOCELLULOSIC BIOMASS
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United States of America Patent
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Issued Date -
Feb 13, 2014
app pub date -
Jul 9, 2013
filing date -
Aug 8, 2012
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Abstract
A process for treating lignocellulosic biomass is described. The process includes treating particulate biomass with alkali to partially remove hemicellulose sheath on cellulose microfibrils of the biomass; and carrying out an oxidation reaction on the alkali treated biomass to form a treated biomass having a disrupted cellulose crystalline structure. The treated biomass may be further processed to form free sugars and lignin and the free sugars can be used to produce bio-ethanol or used as sugar source in fermentation processes.
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