METHOD FOR TREATING CELLULOSE-CONTAINING BIOMASS
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United States of America Patent
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Issued Date -
Aug 18, 2016
app pub date -
Sep 9, 2014
filing date -
Oct 7, 2013
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Abandoned
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Abstract
A treatment method for biomass, which is a pretreatment method including continuously performing hydrothermal treatment using a screw extruder to produce a biomass composition for saccharification from cellulose-containing biomass serving as a raw material, the treatment method sequentially including: pulverizing the cellulose-containing biomass serving as a raw material so as to have a maximum grain size of 1,000 μm or less and adjusting a water content ratio thereof to from 20% to 80%; performing, in a heating section of the screw extruder, hydrothermal treatment at a temperature of from 150° C. to 250° C. for 0.1 minute to 10 minutes while performing kneading pulverization having a grinding effect; and cooling, in a cooling section of the screw extruder downstream of the heating section, a treated product to 100° C. or less to recover the treated product of the cellulose-containing biomass having an average grain size of 100 μm or less.
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