AN IMPROVED PRE-HYDROLYSIS STEP INVOLVING VACUUM
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Dec 20, 2012
filing date -
Jan 11, 2012
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Abandoned
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Abstract
An improved pre-hydrolysis step involving exposing water insoluble pre-treated ligno-cellulosic biomass to vacuum conditions, with and without enzymes is disclosed. After exposing the water insoluble pre-treated ligno-cellulosic biomass to vacuum conditions, enzymatic hydrolysis is conducted on the pre-treated material. The result is an increased yield of glucose and often xylose after the enzymatic hydrolysis when compared to a composition which has not been exposed to vacuum conditions.
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