Pretreating cellulosic biomass
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United States of America Patent
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Issued Date -
Nov 26, 2009
app pub date -
May 22, 2008
filing date -
May 22, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention pertains to methods for pretreatment of cellulosic biomass for bioconversion into ethanol and other biofuels and wood-based chemicals, recycling of newsprint and other paper products, microfibrillation of cellulose for use as an additive in the food and cosmetic industries, manufacturing improved hardboard, and producing and improved “super” pulp while reducing chemical usage and spent liquor generation. In particular, the instant invention employs supercritical, critical or near critical fluids with and without polar cosolvents [critical fluid, SuperFluids or SFS] for the pretreatment of cellulosic biomass.
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