CONTINUOUS STEAM EXPLOSION METHOD AND A DEFIBRATION SYSTEM
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United States of America Patent
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Issued Date -
Jul 13, 2023
app pub date -
Apr 28, 2021
filing date -
Jun 3, 2020
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Abstract
The present invention relates to a method for defibrating a lignocellulosic material in a steam explosion process, the method comprising: —supplying (1001) lignocellulosic material to a reactor (8), —treating (1002) the lignocellulosic material in the reactor (8) at a first pressure (P1), —discharging (1003) the lignocellulosic material from the reactor (8) to a vessel (13), wherein the vessel (13) is at a second pressure (P2) that is lower than the first pressure (P1) so that the lignocellulosic material is defibrated through steam explosion as it passes from the reactor (8), wherein lignocellulosic material is continuously supplied to and discharged from the reactor (8) in such a way that the first pressure (P1) is constant. The invention also relates to a defibration system for defibrating a lignocellulosic material in a steam explosion process.
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