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Title:
PRETREATMENT METHOD FOR CELLULOSE-CONTAINING BIOMASS, PRODUCTION METHOD FOR SACCHARIFYING BIOMASS COMPOSITION, AND SUGAR PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2014/091890
Kind Code:
A1
Abstract:
The present invention provides: [1] a pretreatment method which improves the saccharification performance of a cellulose-containing biomass as a saccharification starting material, and which includes a step (1) in which the cellulose-containing biomass is pulverized, a step (2) in which the pulverized cellulose-containing biomass is hydrothermally treated, and a step (3) in which the hydrothermally treated cellulose-containing biomass is finely pulverized, said pretreatment method wherein, in step (3), the fine pulverization is performed using a refiner or a disk mill fitted with a plate or a disk not provided with a passage passing from the centre thereof in the circumferential direction; [2] a production method for a saccharifying biomass composition, said production method wherein the aforementioned pretreatment method is implemented; and [3] a sugar production method in which the saccharifying biomass composition obtained using the aforementioned production method is subjected to hydrolysis.

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Inventors:
WAKABAYASHI SYOICHIRO (JP)
FUJITA ICHIRO (JP)
YAMAKI SHINJI (JP)
YONEDA TADASHI (JP)
Application Number:
PCT/JP2013/081180
Publication Date:
June 19, 2014
Filing Date:
November 19, 2013
Export Citation:
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Assignee:
SHOWA DENKO KK (JP)
International Classes:
C13K1/02
Foreign References:
JP2006136263A2006-06-01
JP2008163481A2008-07-17
JPS6124495U1986-02-13
JPH06101188A1994-04-12
Other References:
TAKASHI ENDO: "Bioethanol production from woods with the aid of nanotechnology: pretreatment for enzymatic saccharification using natural structure of cellulose", SYNTHESIOLOGY, vol. 2, no. 4, November 2009 (2009-11-01), pages 310 - 320
Attorney, Agent or Firm:
OHIE Kunihisa et al. (JP)
Landlord Kunihisa (JP)
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