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System and method for treating biomass

A biomass treatment and biomass technology, applied in biomass post-treatment, biomass pretreatment, biochemical cleaning devices, etc., can solve the problems of improvement, hemicellulose saccharification without any consideration, and inability to achieve sugar yield. , to reduce the number of pipelines, inhibit the formation of substances, and improve the yield of sugar

Inactive Publication Date: 2012-07-18
IHI CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the technology of this patent document 2 has the problem that the temperature of the pressurized hot water is set only with cellulose as the object of saccharification, without any consideration for saccharification of hemicellulose, and further improvement in sugar yield cannot be achieved.

Method used

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  • System and method for treating biomass
  • System and method for treating biomass
  • System and method for treating biomass

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Embodiment Construction

[0036] An embodiment of the present invention will be described below with reference to the drawings.

[0037] figure 1 It is a schematic configuration diagram of the biomass processing apparatus A in this embodiment. Such as figure 1 As shown, the biomass treatment device A uses woody biomass containing cellulose, hemicellulose, and lignin as the main components such as wood chips or waste building materials as a kind of biomass as raw materials to produce bioethanol. equipment. It consists of a pressurized hot water reaction device 1 , a first catalytic reaction device 2 , a second catalytic reaction device 3 , a first fermentation device 4 , a second fermentation device 5 , a distillation device 6 and a waste water treatment device 7 .

[0038] be explained, figure 1 The solid line in the middle indicates the flow direction of the liquid, the wavy line indicates the flow direction of the solid, and the dotted line indicates the flow direction of the electrical signal...

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Abstract

A system (A) for treating a biomass, comprising: a pressurized hot water reaction unit (1) whereby, using pressurized hot water, the biomass is hydrolyzed under first reaction conditions for degrading hemicellulose to give a first polysaccharide solution containing xylooligosaccharides, and then said biomass is hydrolyzed under second reaction conditions for degrading cellulose to give a second polysaccharide solution containing cellooligosaccharides; a first catalytic reaction unit (2) whereby the first polysaccharide solution flowing out from the pressurized hot water reaction unit (1) is hydrolyzed using a solid acid catalyst to give a first monosaccharide solution containing xylose; and a second catalytic reaction unit (3) whereby the second polysaccharide solution flowing out from the pressurized hot water reaction unit (1) is hydrolyzed using a solid acid catalyst to give a second monosaccharide solution containing glucose

Description

technical field [0001] The invention relates to a biomass treatment device and method. [0002] This application claims priority based on Japanese Patent Application No. 2009-219362 filed in Japan on September 24, 2009, the contents of which are incorporated herein by reference. Background technique [0003] In recent years, biomass has attracted attention as a carbon-neutral resource instead of fossil resources such as petroleum. As one of the applications of such biomass, a technique of producing glucose (monosaccharides) by saccharifying cellulose-containing biomass and alcohol-fermenting the glucose to produce bioethanol is known. [0004] As a method for producing glucose from biomass (saccharification technology), a method of adding sulfuric acid to biomass for hydrolysis (dilute sulfuric acid method, concentrated sulfuric acid method, etc.) is generally known. However, this method has problems such as corrosion of the reactor, need for waste liquid treatment, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13K13/00B01J3/00B09B3/00C12M1/00C12S3/04C13K1/02C10L1/02
CPCC12M21/12C13K13/00C13K13/002C12M45/06C13K1/02
Inventor 佐藤健治成相健太郎北野诚金子典充原亨和山口大造
Owner IHI CORP
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