WO2009096061A1 - バイオマス原料を用いた有機原料の製造システム及び方法 - Google Patents
バイオマス原料を用いた有機原料の製造システム及び方法 Download PDFInfo
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- WO2009096061A1 WO2009096061A1 PCT/JP2008/067039 JP2008067039W WO2009096061A1 WO 2009096061 A1 WO2009096061 A1 WO 2009096061A1 JP 2008067039 W JP2008067039 W JP 2008067039W WO 2009096061 A1 WO2009096061 A1 WO 2009096061A1
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- 239000002994 raw material Substances 0.000 title claims description 69
- 238000000034 method Methods 0.000 title claims description 13
- 239000000463 material Substances 0.000 title abstract description 8
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0223—Moving bed of solid material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/12—Bioreactors or fermenters specially adapted for specific uses for producing fuels or solvents
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
- C12M43/02—Bioreactors or fermenters combined with devices for liquid fuel extraction; Biorefineries
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/09—Means for pre-treatment of biological substances by enzymatic treatment
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/20—Heating; Cooling
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
- C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
- C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Definitions
- the present invention relates to a system and method for producing an organic raw material using a biomass raw material that can efficiently produce an organic raw material such as alcohols, petroleum substitutes, or amino acids using the biomass raw material.
- Patent Document 1 Korean Patent Document 1
- chemical industrial raw material production for example, lactic acid fermentation etc.
- the biomass refers to the accumulation of organisms incorporated into the material circulation system of the earth biosphere or organic substances derived from the organisms (see JIS K 3600 1258).
- sugarcane, corn, and the like that are currently used as alcohol raw materials are originally provided for food, but making these edible resources a long-term, stable industrial use resource is an effective food product. From the viewpoint of life cycle, it is not preferable.
- Cellulose resources vary from 38 to 50% for cellulose, 23 to 32% for hemicellulose components, and 15 to 22% for lignin components that do not become fermentation raw materials.
- the raw materials are assumed to be fixed, and there is no disclosure of production system technology considering the versatility of raw materials.
- the resulting sugar solution is a 6-carbon sugar solution from cellulose and a 5-carbon sugar solution from the hemicellulose component.
- a suitable yeast is required for alcohol fermentation, and both a 6-carbon solution and a 5-carbon solution are mixed.
- the present invention separates a cellulose-based component from a biomass raw material to produce an efficient sugar liquid, and uses various kinds of organic raw materials (for example, alcohols, petroleum substitutes,
- organic raw materials for example, alcohols, petroleum substitutes
- Another object is to provide an organic raw material production system and method using a biomass raw material that can efficiently produce amino acids and the like.
- 1st invention of this invention for solving the subject mentioned above hydrothermally decomposes a biomass raw material while facing pressurized hot water, transfers a lignin component and a hemicellulose component into pressurized hot water, and biomass
- a hydrothermal decomposition apparatus in which a lignin component and a hemicellulose component are separated from a solid, and an enzymatic treatment of cellulose in biomass solids discharged from the hydrothermal decomposition apparatus to enzymatically decompose it into a sugar solution containing hexose.
- a first enzyme decomposing apparatus and a fermentation apparatus for producing any one of alcohols, petroleum substitutes or amino acids by fermentation using the sugar solution obtained by the first enzyme decomposing apparatus. It is in the manufacturing system of the organic raw material using the biomass raw material characterized by this.
- a second enzyme decomposing apparatus and a second enzyme decomposing apparatus that enzymatically decompose the hemicellulose component in the hot water discharge liquid into a sugar solution containing pentose.
- a fermentation apparatus for producing any one of alcohols, petroleum substitutes or amino acids by fermentation treatment using the sugar solution obtained in the above, production of organic raw materials using biomass raw materials In the system.
- the third invention is the organic raw material production system using the biomass raw material according to the first or second invention, wherein the reaction temperature of the hydrothermal decomposition apparatus is 180 to 240 ° C.
- the fourth invention hydrothermally decomposes the biomass raw material in opposition to the pressurized hot water, transfers the lignin component and hemicellulose component into the pressurized hot water, and separates the lignin component and hemicellulose component from the biomass solid.
- a hydrothermal decomposition step a first enzymatic decomposition step in which cellulose in biomass solids discharged from the hydrothermal decomposition apparatus is enzymatically decomposed into a sugar solution containing 6-carbon sugar, Using a sugar solution obtained in the enzymatic decomposition process, and a fermentation process for producing any one of alcohols, petroleum substitutes or amino acids by fermentation treatment, In the raw material manufacturing method.
- the second enzymatic decomposition step and the second enzymatic decomposition step of enzymatically decomposing the hemicellulose component in the hot water discharge liquid into a sugar liquid containing pentose And a fermentation process for producing any one of alcohols, petroleum substitutes or amino acids by fermentation treatment using the sugar solution obtained in the above, production of an organic raw material using a biomass raw material Is in the way.
- the sixth invention is the method for producing an organic raw material using a biomass raw material according to the fourth or fifth invention, wherein the reaction temperature of the hydrothermal decomposition is 180 to 240 ° C.
- a side reaction product (lignin component, hemicellulose component) other than the reaction that produces the target component cellulose (which becomes hexose solution by enzymatic saccharification). Is transferred to pressurized hot water to obtain a biomass solid content mainly composed of cellulose.
- a biomass solid content mainly composed of cellulose.
- the components that are easily solubilized in hot water are discharged out of the reaction system in sequence by facing each other, and a temperature gradient is generated from the biomass charging section to the hot water charging section, thereby suppressing the excessive decomposition of the hemicellulose component.
- the pentose component can be efficiently recovered.
- FIG. 1 is a schematic diagram of an alcohol production system according to a first embodiment.
- FIG. 2 is a schematic diagram of an alcohol production system according to the second embodiment.
- FIG. 1 is a conceptual diagram illustrating an organic raw material manufacturing system using a biomass raw material according to an embodiment.
- an alcohol production system 10-1 using a biomass raw material according to the present embodiment includes a pretreatment device 12 that pulverizes the biomass raw material 11, for example, and a pretreated biomass raw material (in this embodiment,
- the biomass pulverized product 13 which is a straw or the like is hydrothermally decomposed while being in contact with the pressurized hot water 15, the lignin component and the hemicellulose component are transferred into the pressurized hot water 15, and the lignin component and hemicellulose from the biomass solid.
- the first enzyme decomposition apparatus 19-1 for decomposing, and the first sugar solution (hexose solution) 20-1 obtained by the first enzyme decomposition apparatus 19-1 The first alcohol fermentation apparatus 21-1 for producing alcohols (ethanol in the present embodiment) by the above, and the first alcohol fermentation liquor 22-1 are purified and separated into the target product ethanol 23 and residue 24 And a first purification device 25-1 for processing.
- the hydrothermal decomposition apparatus 14 discharges the pressurized hot water to which the lignin component and the hemicellulose component are transferred as the hot water discharge liquid 16.
- the biomass supplied to the hydrothermal decomposition apparatus 14 is not particularly limited, and refers to the accumulation of organisms incorporated in the material circulation system of the earth biosphere or organic matter derived from organisms (JIS). K 3600 1258), however, in the present invention, it is particularly preferable to use wood-based cellulosic resources such as hardwood, herbaceous, agricultural waste, food waste and the like.
- the biomass raw material 11 is not particularly limited in particle size, but is preferably pulverized to 5 mm or less.
- a pulverizer is exemplified as the pretreatment device 12.
- the present invention is not limited to this, and for example, a cleaning device or the like can be used as the pretreatment device 12.
- pulverization using a pretreatment device is not necessary and can be supplied to the hydrothermal decomposition device 14 as it is.
- the reaction temperature is preferably in the range of 180 to 240 ° C. More preferably, the temperature is 200 to 230 ° C. This is because at a low temperature of less than 180 ° C., the hydrothermal decomposition rate is low, a long decomposition time is required, leading to an increase in the size of the apparatus, which is not preferable. On the other hand, when the temperature exceeds 240 ° C., the decomposition rate becomes excessive, and the cellulose component increases from the solid to the liquid side, and the excessive decomposition of the hemicellulose saccharide is promoted, which is not preferable.
- the hemicellulose component dissolves from about 140 ° C., the cellulose from about 230 ° C., and the lignin component from about 140 ° C., but the cellulose remains on the solid side, and the hemicellulose component and the lignin component have a sufficient decomposition rate. It should be in the range of 180 ° C to 240 ° C.
- reaction pressure is preferably set to a pressure higher by 0.1 to 0.5 MPa than the saturated vapor pressure of water at each temperature at which the inside of the main body is in the state of pressurized hot water.
- the reaction time is preferably 20 minutes or less and 3 to 15 minutes. This is because if the reaction is carried out too long, the proportion of the overdecomposed product increases, which is not preferable.
- the flow of the pressurized hot water 15 and the biomass pulverized product 13 in the main body of the hydrothermal decomposition apparatus 14 is a so-called counter flow in which the biomass pulverized product 13 and the pressurized hot water 15 are opposed to each other. It is preferable to contact, agitate and flow.
- the solid content of the pulverized biomass 13 is supplied from the left side in the figure, while the pressurized hot water 15 is supplied from the right side in the figure, and the pressurized hot water 15 (The liquid in which the hot water and the decomposed product are dissolved) moves while oozing between the solid pulverized product 13 and the counter flow between the solid particles.
- the decomposed product is dissolved and transferred to the pressurized hot water 15 side.
- the solid-liquid ratio of the solid to the liquid is preferably as the liquid content is small because the amount of steam for heating for the recovered water and hydrothermal decomposition can be reduced.
- the weight ratio of the biomass material to be supplied and the pressurized hot water varies depending on the apparatus configuration, but is preferably 1: 1 to 1:10, and more preferably 1: 1 to 1: 5, for example.
- the hydrothermal decomposition apparatus 14 by adopting a counterflow, the lignin component and the hemicellulose component are transferred into the pressurized hot water 15 on the liquid side, and the solid biomass 17 on the solid side has cellulose. Therefore, the sugar solution (hexose) 20 is obtained by the first enzymatic decomposition apparatus 19-1 for enzymatic saccharification. Then, fermentation according to hexose (fermentation according to the final product: in this embodiment, ethanol 23 is obtained by fermentation using the first alcohol fermentation apparatus 21-1, and the first alcohol fermentation liquid 22-1 is obtained. Process).
- a side reaction product (lignin component, hemicellulose component) other than the reaction that produces the target component cellulose (which becomes hexose solution by enzymatic saccharification). Is transferred to pressurized hot water to obtain a biomass solid content mainly composed of cellulose.
- cellulose can be efficiently saccharified, and various organic raw materials (for example, alcohols) can be efficiently produced using the sugar solution as a starting point.
- ethanol as an alcohol was exemplified as what is obtained by fermentation treatment.
- the present invention is not limited to this, and petroleum substitutes or foods and feeds that are raw materials for chemical products other than alcohols.
- Amino acids as raw materials can be obtained by a fermentation apparatus.
- sugar solution derived from biomass can be efficiently used as a substitute for a chemical product derived from crude oil, which is a depleted fuel, and as a raw material for producing the substitute.
- FIG. 2 is a conceptual diagram illustrating an organic raw material manufacturing system using a biomass raw material according to an embodiment.
- the alcohol production system 10-2 using the biomass raw material according to the present embodiment is a hot water discharge liquid 16 discharged from the hydrothermal decomposition apparatus 14 in the system 10-1 shown in FIG.
- a second enzymatic decomposition device 19-2 is provided for enzymatically decomposing the hemicellulose component transferred into it into a sugar solution 20-2 containing pentose.
- the enzyme decomposing apparatus, the alcohol fermentation apparatus, and the refining apparatus are separately provided in two units (the first enzyme decomposing apparatus 19-1, the second enzyme decomposing apparatus 19-2, the first alcohol fermenting apparatus 21-1, and the first decomposing apparatus). 2 alcohol fermentation apparatus 21-2, first purification apparatus 25-1, and second purification apparatus 25-2). Then, an ethanol degradation process, an alcohol fermentation process and a purification process corresponding to the first sugar liquid (hexose sugar) 20-1 and the second sugar liquid (pentose sugar) 20-2 are performed, and ethanol 23 Like to get.
- ethanol 23 can be produced by fermentation using the second sugar solution (pentose) 20-2 obtained by the second enzymatic decomposition apparatus 19-2.
- the hot water discharge liquid is not necessarily processed in a separate system.
- the processes after the enzyme decomposing apparatus are shared, the processes after the alcohol fermentation apparatus are shared, or the processes after the purification apparatus are shared as appropriate. Changes can be made.
- the cellulose remains in the biomass biomass 17 on the solid side, and the first enzymatic decomposition apparatus 19-1 for enzymatic saccharification first 1 sugar liquid (6-carbon sugar) 20-1 is obtained, and in the pressurized hot water 15 on the liquid side, the hemicellulose component soluble in the pressurized hot water is separated as the hot water discharge liquid 16, which is separately enzymatically saccharified.
- the second sugar solution (5-carbon sugar) 20-2 is obtained by the second enzymatic decomposition device 19-2, both can be efficiently separated and saccharified.
- the fermentation process Fermentation according to final products: example: ethanol fermentation
- hexose and pentose can be constructed.
- the side reaction component that becomes an inhibitor in the enzymatic saccharification reaction to obtain hexose and the lignin component that is soluble in pressurized hot water are used as the pressurized hot water 15. Therefore, the biomass solid content 17 mainly composed of cellulose is obtained, and the saccharification reaction yield of hexose in the subsequent saccharification reaction is improved.
- the hemicellulose component contained in the separated hot water discharge liquid 16 is then saccharified in the second enzymatic decomposition apparatus 19-2 to obtain a sugar liquid containing pentose.
- yeast suitable for each of hexose and pentose ethanol can be obtained efficiently and individually by fermentation.
- the side reaction product causes the enzyme saccharification inhibition and the sugar yield is reduced.
- the cellulose-based component and the hemicellulose component from the biomass material are used. Is converted into pressurized hot water to separate the two, and an efficient sugar solution (6-carbon sugar solution, 5-carbon sugar solution) suitable for each is manufactured, and various organic raw materials are used based on the sugar solution. It is possible to provide an organic raw material production system and method using a biomass raw material that can efficiently produce (for example, alcohols, petroleum substitutes, amino acids, etc.).
- the cellulose-based component is separated from the biomass raw material to efficiently produce a sugar solution, and various organic materials (for example, Alcohols, petroleum substitutes, amino acids, etc.) can be efficiently produced.
- various organic materials for example, Alcohols, petroleum substitutes, amino acids, etc.
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Abstract
Description
また、糖を出発原料として、化学工業原料生産(例えば乳酸発酵等)も考えられる。
ここで、バイオマスとは、地球生物圏の物質循環系に組み込まれた生物体又は生物体から派生する有機物の集積をいう(JIS K 3600 1258参照)。
12 前処理装置
13 バイオマス粉砕物
14 水熱分解装置
15 加圧熱水
16 熱水排出液
17 バイオマス固形分
18 酵素
19-1 第1の酵素分解装置
19-2 第2の酵素分解装置
20-1 第1の糖液(6炭糖)
20-2 第2の糖液(5炭糖)
21 発酵装置
22 アルコール発酵液
23 エタノール
24 残渣
25 精製装置
図1に示すように、本実施例に係るバイオマス原料を用いたアルコール製造システム10-1は、バイオマス原料11を例えば粉砕処理する前処理装置12と、前処理したバイオマス原料(本実施例では、例えば麦わら等)であるバイオマス粉砕物13を加圧熱水15と対向接触させつつ水熱分解し、加圧熱水15中にリグニン成分及びヘミセルロース成分を移行し、バイオマス固体中からリグニン成分及びヘミセルロース成分を分離してなる水熱分解装置14と、前記水熱分解装置14から排出されるバイオマス固形分17中のセルロースを酵素処理して6炭糖を含む糖液に酵素(セルラーゼ)18で酵素分解する第1の酵素分解装置19-1と、第1の酵素分解装置19-1で得られた第1の糖液(6炭糖液)20-1を用いて、発酵処理によりアルコール類(本実施の形態ではエタノール)を製造する第1のアルコール発酵装置21-1と、第1のアルコール発酵液22-1を精製して目的生成物のエタノール23と残渣24とに分離処理する第1の精製装置25-1とを具備するものである。また、水熱分解装置14からはリグニン成分及びヘミセルロース成分が移行された加圧熱水を熱水排出液16として排出するようにしている。
本実施例では、前処理装置12として、粉砕装置を例示するが、本発明はこれに限定されるものではなく、前処理装置12として例えば洗浄装置等を用いることができる。
なお、バイオマス原料11として、例えば籾殻等の場合には、前処理装置を用いる粉砕は不要となり、そのまま水熱分解装置14に供給することができるものとなる。
これは、180℃未満の低温では、水熱分解速度が小さく、長い分解時間が必要となり、装置の大型化につながり、好ましくないからである。一方240℃を超える温度では、分解速度が過大となり、セルロース成分が固体から液体側へ移行するのを増大すると共に、ヘミセルロース系糖類の過分解が促進され、好ましくないからである。
また、ヘミセルロース成分は約140℃付近から、セルロースは約230℃付近から、リグニン成分は140℃付近から溶解するが、セルロースを固形分側に残し、且つヘミセルロース成分及びリグニン成分が十分な分解速度を持つ180℃~240℃の範囲とするのがよい。
また、反応時間は20分以下、3分~15分とするのが好ましい。これはあまり長く反応を行うと過分解物の割合が増大し、好ましくないからである。
ここで、供給するバイオマス原料と加圧熱水との重量比は、装置構成により適宜異なるが、例えば1:1~1:10、より好ましくは1:1~1:5とするのが好ましい。
そして、6炭糖に応じた発酵(最終製品に応じた発酵:本実施例では第1のアルコール発酵装置21-1を用いてエタノール23を発酵により求め、第1のアルコール発酵液22-1を精製する)プロセスを構築することができる。
さらに、対向接触させることで、熱回収ができシステム効率から好ましいものとなる。
図2に示すように、本実施例に係るバイオマス原料を用いたアルコールの製造システム10-2は、図1に示すシステム10-1において、水熱分解装置14から排出される熱水排出液16中に移行されたヘミセルロース成分を酵素処理して5炭糖を含む糖液20-2に酵素分解する第2の酵素分解装置19-2を設けてなるものである。
なお、酵素分解装置、アルコール発酵装置、精製装置は、それぞれ別途2機(第1の酵素分解装置19-1、第2の酵素分解装置19-2、第1のアルコール発酵装置21-1、第2のアルコール発酵装置21-2、第1の精製装置25-1、第2の精製装置25-2)設置している。そして、第1の糖液(6炭糖)20-1、第2の糖液(5炭糖)20-2に応じた酵素分解工程、アルコール発酵工程及び精製工程を行うようにして、エタノール23を得るようにしている。
そして、6炭糖、5炭糖の各々に適した酵母等を用いることでエタノールを効率的に個別に発酵により求めることができるものとなる。
Claims (6)
- バイオマス原料を加圧熱水と対向接触させつつ水熱分解し、加圧熱水中にリグニン成分及びヘミセルロース成分を移行し、バイオマス固体中からリグニン成分及びヘミセルロース成分を分離してなる水熱分解装置と、
前記水熱分解装置から排出されるバイオマス固形分中のセルロースを酵素処理して6炭糖を含む糖液に酵素分解する第1の酵素分解装置と、
第1の酵素分解装置で得られた糖液を用いて、発酵処理によりアルコール類、石油代替品類又はアミノ酸類のいずれか一つを製造する発酵装置とを具備することを特徴とするバイオマス原料を用いた有機原料の製造システム。 - 請求項1において、
熱水排出液中のヘミセルロース成分を酵素処理して5炭糖を含む糖液に酵素分解する第2の酵素分解装置と、
第2の酵素分解装置で得られた糖液を用いて、発酵処理によりアルコール類、石油代替品類又はアミノ酸類のいずれか一つを製造する発酵装置とを具備することを特徴とするバイオマス原料を用いた有機原料の製造システム。 - 請求項1又は2において、
前記水熱分解装置の反応温度が180~240℃であることを特徴とするバイオマス原料を用いた有機原料の製造システム。 - バイオマス原料を加圧熱水と対向接触させつつ水熱分解し、加圧熱水中にリグニン成分及びヘミセルロース成分を移行し、バイオマス固体中からリグニン成分及びヘミセルロース成分を分離してなる水熱分解工程と、
前記水熱分解装置から排出されるバイオマス固形分中のセルロースを酵素処理して6炭糖を含む糖液に酵素分解する第1の酵素分解工程と、
第1の酵素分解工程で得られた糖液を用いて、発酵処理によりアルコール類、石油代替品類又はアミノ酸類のいずれか一つを製造する発酵工程とを具備することを特徴とするバイオマス原料を用いた有機原料の製造方法。 - 請求項4において、
熱水排出液中のヘミセルロース成分を酵素処理して5炭糖を含む糖液に酵素分解する第2の酵素分解工程と、
第2の酵素分解工程で得られた糖液を用いて、発酵処理によりアルコール類、石油代替品類又はアミノ酸類のいずれか一つを製造する発酵工程とを具備することを特徴とするバイオマス原料を用いた有機原料の製造方法。 - 請求項4又は5において、
前記水熱分解の反応温度が180~240℃であることを特徴とするバイオマス原料を用いた有機原料の製造方法。
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