The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 26, 2017

Filed:

Dec. 25, 2012
Applicant:

Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, Hyogo, JP;

Inventors:

Hiromasa Kusuda, Kobe, JP;

Noriaki Izumi, Kobe, JP;

Hironori Tajiri, Kobe, JP;

Shoji Tsujita, Itami, JP;

Noriyuki Taniyama, Kobe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C13K 1/04 (2006.01); C13K 1/02 (2006.01); C12P 7/10 (2006.01);
U.S. Cl.
CPC ...
C13K 1/04 (2013.01); C12P 7/10 (2013.01); C13K 1/02 (2013.01); Y02E 50/16 (2013.01); Y02P 20/544 (2015.11);
Abstract

A saccharified solution production method includes: a saccharifying step of saccharifying hemicellulose or cellulose contained in cellulosic biomass to C5 or C6 saccharides by subjecting a slurry of cellulosic biomass to a hot water treatment in a supercritical state or subcritical state; a washing step of successively washing a solid in the slurry with washing water after the saccharifying step, by using multiple stages of thickeners for washing arranged in series so that the direction of movement of the solid in the slurry and the direction of movement of overflow water are opposite to each other; and a concentration step of removing a solid residue from the washing water recovered in the washing step by using a thickener for still standing that is different from the thickeners for washing, and then concentrating a supernatant of the thickener for still standing by using a concentration device to give a saccharified solution.


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