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公开(公告)号：EP3088529A4
公开(公告)日：2018-05-02
申请号：EP14873261
申请日：2014-12-19
IPC分类号： C12P19/00 , B01F3/06 , B01F7/00 , B01F13/10 , B01J19/18 , B09B3/00 , C12M1/00 , C12M1/33 , C13K1/02
CPC分类号： C13K1/02 , B01F7/0065 , B01F7/04 , B01F7/08 , B01F13/1027 , B01J19/18 , B09B3/00 , B09B3/0091 , C12M45/02 , C12M45/04 , C12M45/20 , Y02E50/16
摘要： An object of the present invention is to provide a method of producing a saccharified solution, in which saccharified slurry is obtained by hydrothermally treating cellulosic biomass slurry in a supercritical state or a subcritical state by a continuous reactor. The method, while keeping uniform mixing of the slurry with respect to a cross section perpendicular to a mixing axis and keeping a plug flow in the axial direction, reduces the risk of a pressure reducing valve becoming clogged when the high-temperature and high-pressure slurry is flash-evaporated after being hydrothermally treated. Another object of the present invention is to provide an apparatus for producing a saccharified solution and a continuous reactor, the apparatus and the continuous reactor being suitable for executing the saccharified solution producing method. In the present invention, at the time of hydrothermally treating the cellulosic biomass slurry by the continuous reactor continuously, the slurry is intensely stirred in a front part of the continuous reactor, and stirred in a rear part of the continuous reactor by a stirring device with low propelling force, such that the plug flow in the axial direction is kept while the slurry is being uniformly mixed with respect to the cross section perpendicular to the mixing axis. Preferably, after the saccharified slurry is diluted by using a saccharified solution, solid matter in the slurry is crushed by a crushing apparatus and the slurry is flash-evaporated.
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