Method and apparatus for mixing a lignocellulosic material with enzymes
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United States of America Patent
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Sep 22, 2015
Grant Date -
Apr 24, 2014
app pub date -
Dec 10, 2013
filing date -
Nov 21, 2010
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Abstract
A method to treat a lignocellulosic material including: pretreating the lignocellulosic material to produce a slurry; adding an alkali material to the slurry in a first conveyor; adding a first portion of an enzyme solution to the slurry while the slurry is in, entering or passing through the discharge of a second conveyor; transferring the slurry with the enzyme solution from the second conveyor slurry to a mixer; mixing the slurry with a second portion of the enzyme solution, and transferring the slurry with the enzyme solution mixed with the first and second portions of the enzyme solution to a first reactor vessel for enzymatic hydrolysis, wherein the viscosity of the slurry is reduced in the first reactor vessel.
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