Process for treatment of biomass feedstocks
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United States of America Patent
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May 10, 2011
Grant Date -
Apr 16, 2009
app pub date -
Nov 9, 2005
filing date -
Nov 12, 2004
priority date (Note) -
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Abstract
A method and apparatus for continuously treating a moist biomass feedstock is disclosed. The method includes treating a biomass feedstock with a swelling agent in a pressurized first vessel, transferring the feedstock to a second vessel at a lower operating pressure than the first vessel such that the biomass fibers rupture. At least portions the swelling agent, and/or the moisture are recycled in the process.
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