WO2012005131A1 - リグノセルロース系バイオマスの糖化前処理装置 - Google Patents
リグノセルロース系バイオマスの糖化前処理装置 Download PDFInfo
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- WO2012005131A1 WO2012005131A1 PCT/JP2011/064653 JP2011064653W WO2012005131A1 WO 2012005131 A1 WO2012005131 A1 WO 2012005131A1 JP 2011064653 W JP2011064653 W JP 2011064653W WO 2012005131 A1 WO2012005131 A1 WO 2012005131A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K1/00—Glucose; Glucose-containing syrups
- C13K1/02—Glucose; Glucose-containing syrups obtained by saccharification of cellulosic materials
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- 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
- C12P2201/00—Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis
Definitions
- the present invention relates to a saccharification pretreatment apparatus for lignocellulosic biomass.
- a method in which ethanol is produced by saccharifying lignocellulosic biomass such as rice straw with a saccharifying enzyme produced by microorganisms and fermenting the obtained sugar as a substrate.
- lignocellulosic biomass has a structure in which lignin is firmly bound to cellulose or hemicellulose. Therefore, a saccharification pretreatment product in which lignocellulosic biomass is pretreated, lignin contained in the lignocellulosic biomass is dissociated, or lignocellulosic biomass is swollen is used for saccharification.
- the term “dissociation” means that at least a part of the bond between cellulose or hemicellulose and lignin is broken.
- swelling means that the liquid cellulose permeates the cellulose or hemicellulose constituting the crystalline cellulose, or creates voids inside the cellulose fiber, and the crystalline cellulose expands.
- a pretreatment method for saccharification of lignocellulosic biomass for example, a method is known in which lignocellulosic biomass is mixed with liquid pure ammonia, heated and pressurized, and then the pressure is rapidly reduced. If it does in this way, when the vaporized ammonia gas is rapidly expanded, the lignocellulosic biomass is also expanded, and lignin is physically removed from the lignocellulosic biomass (see Patent Document 1).
- Patent Document 3 Also known is a method of heating a mixture obtained by mixing lignocellulosic biomass and aqueous ammonia (see Patent Document 3). According to the method described in Patent Document 3, lignocellulosic biomass is dispersed in ammonia water having a concentration of 0.8 to 15% by weight and heated to dissociate lignin from lignocellulosic biomass, or the lignocellulose. It is said that the biomass can be swollen.
- Patent Document 3 In order to carry out the method described in Patent Document 3, it is necessary to dispose lignin from lignocellulosic biomass or to include an apparatus provided with heating means for supplying thermal energy for swelling the lignocellulosic biomass. There is an inconvenience.
- the present invention eliminates such inconvenience, and can dissociate lignin from lignocellulosic biomass or swell lignocellulosic biomass without supplying thermal energy, reducing the cost required for pre-saccharification treatment. It aims at providing the saccharification pre-processing apparatus of lignocellulosic biomass which can be performed.
- the saccharification pretreatment apparatus for lignocellulosic biomass of the present invention mixes lignocellulosic biomass as a substrate with aqueous ammonia and treats the resulting wet powder substrate mixture to convert the lignin contained in the substrate.
- a treatment unit configured to dissociate or swell the substrate to obtain a wet powder saccharification pretreatment product, and an ammonia separation unit configured to separate ammonia from the saccharification pretreatment product
- the treatment unit includes a treatment tank, a substrate supply unit configured to continuously supply the substrate to the treatment tank, and the ammonia water to the treatment tank.
- Ammonia water supply unit configured to supply continuously, the substrate supplied to the treatment tank and the ammonia water are stirred and sheared to the substrate
- a mixing unit configured to mix the ammonia water and the substrate to obtain the substrate mixture, and to be disposed directly below the processing tank in communication with the processing tank.
- the substrate mixture supplied from the treatment tank is stored for a predetermined time, and during the storage, the lignin contained in the substrate is dissociated in an unheated state, or the substrate is swollen to obtain a pre-saccharification product.
- the ammonia separation unit is disposed at a lower portion of the storage unit, and is configured to continuously supply the pre-saccharification product from the storage unit to the ammonia separation unit.
- the saccharification pre-processed product supply unit is provided and disposed immediately below the storage unit.
- lignocellulosic biomass saccharification pretreatment device of the present invention first, from the substrate supply unit and the ammonia water supply unit, respectively, Lignocellulosic biomass and aqueous ammonia are continuously supplied.
- lignocellulosic biomass as a substrate is difficult to be uniformly impregnated with ammonia water simply by mixing with ammonia water, and heating is required to dissociate lignin by acting ammonia on such a substrate. To do.
- the substrate and the ammonia water are continuously supplied to the treatment tank, and the ammonia water and the substrate are mixed by being stirred by the mixing unit. At this time, a shearing force and an impact force are applied to the substrate to obtain a wet powder substrate mixture in which ammonia water is uniformly impregnated in the substrate.
- the substrate mixture obtained in the mixing unit is supplied to a storage unit communicating with the treatment tank and stored. Since the substrate in the substrate mixture supplied to the storage unit is uniformly impregnated with ammonia water, the reaction to dissociate the lignin from the substrate or swell the substrate with ammonia while it is stored in the storage unit. Progress without heating.
- the saccharification pretreatment product stored in the storage unit is continuously supplied from the storage unit to the ammonia separation unit by the saccharification pretreatment product supply unit disposed in the lower part of the storage unit. Since the saccharification pretreatment product stored in the storage unit is a wet powder that is difficult to transfer, the saccharification pretreatment product supply unit forcibly discharges the saccharification pretreatment product from the storage unit and continuously to the ammonia separation unit. Supply.
- ammonia is separated from the pre-saccharification product by the ammonia separation unit to obtain a pre-saccharification product from which ammonia has been separated.
- the saccharification pretreatment product of the present invention by storing the substrate mixture in the storage unit for a predetermined time, it is possible to dissociate lignin from the substrate without heating or obtain a saccharification pretreatment product in which the substrate is swollen. And the cost required for the pre-saccharification treatment can be reduced.
- the storage unit is disposed immediately below the treatment tank, and the ammonia separation unit is disposed directly below the storage unit. It facilitates the transfer from the treatment tank to the storage unit, and also facilitates the transfer from the storage unit to the ammonia separation unit for the pre-saccharification product of the hard-to-transfer wet powder obtained from the substrate mixture. Therefore, the cost required for transferring the substrate mixture and the saccharification pretreatment product can be reduced, and the cost required for the saccharification pretreatment can be reduced.
- ammonia is separated from the saccharification pretreatment product by the ammonia separation unit, so the amount of the pH adjuster used to adjust the pH of the saccharification pretreatment product to be saccharified to the optimum pH Can be reduced.
- the ammonia water supply unit supplies ammonia water having a concentration in the range of 20 to 30% by mass, and the ammonia water is supplied to the substrate supplied by the substrate supply unit.
- the mass ratio is preferably in the range of 1: 0.7 to 1: 1.3.
- the substrate in the mixing unit, can be more uniformly impregnated with ammonia water, and lignin can be dissociated from the substrate or the substrate can be more easily swelled.
- concentration of aqueous ammonia when the concentration of aqueous ammonia is less than 20% by mass, dissociation of lignin from the substrate or swelling of the substrate may be insufficient. On the other hand, even if the concentration of aqueous ammonia exceeds 30% by mass, no further effect can be obtained with respect to dissociation of lignin from the substrate or swelling of the substrate.
- the amount of ammonia water added to 1 part by mass of the substrate is less than 0.7 parts by mass, the ammonia water becomes too small and the substrate may not be uniformly impregnated with ammonia water. As a result, dissociation of lignin from the substrate or swelling of the substrate may be insufficient.
- the ammonia separation unit heats the saccharification pretreatment product with a heat medium to separate ammonia from the saccharification pretreatment product, and the saccharification pretreatment product in the ammonia separation unit It is preferable that the flow and the flow of the heat medium are counterflows.
- the saccharification pretreatment product supplied to the ammonia separation unit releases ammonia by being heated in the ammonia separation unit. Therefore, the saccharification is performed after the saccharification pretreatment product is supplied to the ammonia separation unit and discharged.
- the concentration of ammonia water in the pretreated product decreases. Moreover, when the density
- the ammonia separation unit is a saccharification pretreatment that flows in the ammonia separation unit in order to sufficiently separate ammonia from the saccharification pretreatment product until the saccharification pretreatment product is supplied to the ammonia separation unit and discharged. It is necessary to set the temperature of the product to the boiling point corresponding to the ammonia water concentration.
- the saccharification pretreatment is performed until the saccharification pretreatment product is supplied to the ammonia separation unit and discharged.
- the temperature difference between the pre-saccharification product necessary for sufficiently separating ammonia from the product and the heat medium can be realized, and efficient heat exchange can be performed.
- ammonia may not be sufficiently separated only by heating the pre-saccharification product in the ammonia separation unit.
- the ammonia separation unit includes an ammonia gas suction unit configured to suck the ammonia gas vaporized from the saccharification pretreatment product supplied into the ammonia separation unit, A vacuum holding unit configured to hold the pre-saccharification product moving in the ammonia separation unit in a vacuum state by sucking the ammonia gas using an ammonia gas suction unit, the vacuum holding unit comprising: An introduction unit configured to hold the saccharification pretreatment product in the ammonia separation unit in a vacuum state and introduce the saccharification pretreatment product supplied from the storage unit into the ammonia separation unit; The saccharification pretreatment product in the unit is kept in a vacuum state and ammonia is separated. It is preferred that the saccharification pretreated product that is comprising a derivation unit configured to derive from the ammonia separation unit.
- the introduction unit and the lead-out unit can move the inside of the ammonia separation unit while maintaining the pre-saccharification product in a vacuum state. And since the ammonia gas vaporized from the pre-saccharification product is sucked by the ammonia gas suction unit, the ammonia can be sufficiently separated from the pre-saccharification product.
- the block diagram which shows one structural example of the saccharification pre-processing apparatus of the lignocellulosic biomass of this invention.
- Explanatory sectional drawing which shows an example of the vacuum holding unit used for the saccharification pre-processing apparatus of lignocellulosic biomass shown in FIG.
- Explanatory sectional drawing which shows an example of the mixing unit used for the saccharification pre-processing apparatus of lignocellulosic biomass shown in FIG.
- the lignocellulosic biomass saccharification pretreatment apparatus 1 of this embodiment includes a treatment unit 2, an ammonia separation unit 3, and a transfer unit 4.
- the processing unit 2 mixes lignocellulosic biomass as a substrate and water to form a substrate mixture, dissociates lignin from the substrate in the substrate mixture, or swells the substrate to obtain a pre-saccharification treatment product. It is.
- the ammonia separation unit 3 is a device that separates ammonia from the pre-saccharification product.
- the transfer unit 4 is a device for transferring the pre-saccharification product from which ammonia has been separated to a subsequent enzyme saccharification step.
- rice straw can be used as the lignocellulosic biomass as a substrate.
- the treatment unit 2 includes a treatment tank 21, and the treatment tank 21 includes a substrate supply unit 22 that continuously supplies a substrate and an ammonia water supply unit 23 that continuously supplies ammonia water. Further, the treatment tank 21 includes a mixing unit (not shown) that stirs the substrate and the ammonia water to apply shearing force and impact force to the substrate and mixes the ammonia water and the substrate.
- the processing unit 2 communicates with the processing tank 21 via the pipe 24 and is supplied with a substrate mixture obtained by mixing ammonia water and a substrate in the processing tank 21 to store the substrate mixture.
- the silo 25 is provided.
- the silo 25 is disposed directly below the processing tank 21.
- the lower end of the pipe 24 is inserted into the silo 25, and a discharge port through which the substrate mixture is discharged opens into the silo 25.
- the silo 25 obtains a pre-saccharification pretreated product by dissociating lignin from the substrate or heating the substrate without heating while storing the substrate mixture for a predetermined time.
- the silo 25 includes a level meter 25a that detects the surface of the substrate mixture and the pre-saccharification product in the silo 25.
- the silo 25 has an exhaust port 26 at the top thereof.
- the exhaust port 26 has a function of discharging ammonia gas and air mixed when the substrate mixture is supplied from the treatment tank 21 to the outside.
- the ammonia separation unit 3 is provided with a multi-tube heating tube bundle inside the shell, and a saccharification pretreatment supplied to the ammonia separation unit 3 by flowing a heat medium into the tube of the multi-tube heating tube bundle. Things are heated. Further, the ammonia separation unit 3 is disposed immediately below the silo 25.
- the ammonia separation unit 3 includes a powder feeder 27 as a saccharification pre-treatment product supply unit that forcibly and continuously supplies a predetermined amount of the saccharification pre-treatment product obtained in the silo 25 to the ammonia separation unit 3. .
- the powder feeder 27 is disposed directly below the silo 25 and is directly connected to the silo 25.
- the ammonia separation unit 3 is connected to a heat medium supply conduit 28 for supplying a heat medium for heating the pre-saccharification product in the ammonia separation unit 3.
- a heat medium for example, water vapor, warm water or the like can be used.
- the ammonia separation unit 3 it is comprised so that the flow of a saccharification pre-processed material and the flow of a heat medium may become a counterflow.
- the ammonia separation unit 3 includes an ammonia gas suction unit 29 that sucks the ammonia gas vaporized from the pre-saccharification product in the ammonia separation unit 3.
- an ammonia gas suction unit 29 that sucks the ammonia gas vaporized from the pre-saccharification product in the ammonia separation unit 3.
- a vacuum pump or the like can be used as the ammonia gas suction unit 29, for example, a vacuum pump or the like.
- ammonia separation unit 3 is directly connected to the powder feeder 27, and an introduction unit 30 for introducing the pre-saccharification product supplied from the silo 25 through the powder feeder 27 into the ammonia separation unit 3, ammonia A derivatization unit 31 is provided on the opposite side of the introduction unit 30 with respect to the shell of the separation unit 3 and derives from the ammonia separation unit 3 a pre-saccharification product from which ammonia has been separated.
- the introduction unit 30 and the lead-out unit 31 also have a function as a vacuum holding unit that can hold the pre-saccharification product in the ammonia separation unit 3 in a vacuum state by sucking ammonia gas using the ammonia gas suction unit 29.
- a rotary valve can be used as the introduction unit 30 and the lead-out unit 31, for example.
- FIG. 2 shows a rotary valve used as the introduction unit 30 and the derivation unit 31 of this embodiment.
- a rotor 35 that rotates by driving a motor 34 is inserted into a rotary valve case 33, and the pre-saccharification product filled in the rotor 35 is moved from the upper part to the lower part by rotation to be discharged. It is.
- the rotary valve 32 transfers the pre-saccharification product from the upper part of the rotor 35 to the lower part and maintains the pressure at the upper part and the lower part of the rotor 35 even when the upper part and the lower part of the rotor 35 have a pressure difference.
- the substrate is continuously supplied from the substrate supply unit 22 to the treatment tank 21, and ammonia water is continuously supplied from the ammonia water supply unit 23 to the treatment tank 21.
- a quantitative feeder capable of quantitatively supplying a substrate is used as the substrate supply unit 22, and a liquid feed pump capable of controlling the flow rate is used as the ammonia water supply unit 23.
- a substrate for example, rice straw can be used.
- the rice straw is pulverized to a length of about 3 mm by a cutter mill (not shown), for example.
- the substrate supply amount in this embodiment, the substrate supply amount corresponding to the supply amount of the pre-saccharification product supplied from the silo 25 to the ammonia separation unit 3 by the powder supply device 27 is supplied via the substrate supply unit 22. It is supplied to the treatment tank 21.
- ammonia water having a concentration in the range of 20 to 30% by mass, for example, a concentration of 25% by mass is used as the ammonia water.
- the ammonia water supply unit 23 is in the range of 0.7 to 1.3 parts by mass, preferably 1 with respect to 1 part by mass of the substrate supplied by the substrate supply unit 22. Supply parts by mass.
- the substrate and ammonia water supplied as described above are agitated in the treatment tank 21, whereby the ammonia water and the substrate are mixed to form a wet powder substrate mixture.
- an impact force due to a collision with ammonia water supplied simultaneously, a collision between substrates, a collision between the substrate and the treatment tank 21, and a shearing force due to stirring are applied to the substrate.
- the substrate is uniformly impregnated with aqueous ammonia.
- the substrate mixture is continuously discharged from the treatment tank 21 through the pipe 24 and supplied to the silo 25.
- the substrate mixture is a wet powder, but the silo 25 is disposed immediately below the treatment tank 21, and the lower end of the pipe 24 is inserted into the silo 25. Therefore, the discharge port through which the substrate mixture is discharged from the pipe 24 opens in the silo 25 and prevents the substrate mixture from being scattered around. Further, by shortening the length of the pipe 24, the substrate mixture is supplied to the silo 25 without causing a bridge phenomenon and closing the pipe 24.
- ammonia gas and air are mixed in the silo 25 together with the substrate mixture.
- ammonia gas and air are discharged to the outside of the silo 25 from the exhaust port 26 provided in the upper part of the silo 25, the ammonia gas and air do not hinder the storage of the substrate mixture in the silo 25.
- the internal space is effectively used for storing the substrate mixture.
- a mixer 41 manufactured by Taihei Koki Co., Ltd., trade name: spiral pin mixer (W type)
- the mixer 41 includes a housing 44 including a flat upper lid 42 and an inverted conical side wall 43 extending downward from the outer periphery of the upper lid 42, and a powder inlet 45 and a liquid inlet 46 at the center of the upper lid 42. And concentrically.
- the housing 44 includes a rotatable mixing rotor 47 inside and a discharge port 48 that opens to a part below the side wall 43.
- the mixing rotor 47 includes a horizontal plane 49 facing the upper lid 42 with a gap therebetween, and a slope 50 facing downward from the outer peripheral edge of the horizontal plane 49 and facing the side wall 43 with a gap therebetween.
- a plurality of primary dispersion pins 51 are spirally disposed on the horizontal surface 49, and a plurality of secondary dispersion pins 52 are disposed on the inclined surface 50.
- the powder inlet 45 is connected to the substrate supply unit 22, and the liquid inlet 46 is connected to the ammonia water supply unit 23. Further, the discharge port 48 corresponds to the discharge port of the pipe 24, and the mixing rotor 47 corresponds to the mixing unit.
- the mixer 41 while rotating the mixing rotor 47, the substrate is continuously supplied from the powder inlet 45 and ammonia water is continuously supplied from the liquid inlet 46.
- the ammonia water is diffused in the outer circumferential direction along the horizontal plane 49 of the mixing rotor 47, while the substrate is stirred by joining the ammonia water on the horizontal plane 49. Further, the substrate is given an impact force and a shearing force by colliding with the primary dispersion pin 51 while being stirred as described above.
- the substrate flows down along the slope 50 of the mixing rotor 47 together with the ammonia water, and is pushed up by the secondary dispersion pin 52.
- the ammonia water and the substrate are mixed, and a substrate mixture in which the substrate is uniformly impregnated with the ammonia water is formed and continuously discharged from the discharge port 48.
- the treatment tank 21 can stir the supplied substrate and aqueous ammonia to give shearing force and impact force to the substrate, and can mix the substrate and aqueous ammonia to form a substrate mixture.
- a continuous jet mixer for example, product name: Flow Jet Mixer, manufactured by Powder Research Powtex Co., Ltd.
- a grindstone grinder for example, Masuko Sangyo Co., Ltd.
- the substrate mixture supplied from the treatment tank 21 to the silo 25 is stored in the silo 25.
- the substrate mixture passes through the silo 25 for a time in the range of 24-360 hours, for example 100 hours, without being heated, for example at a temperature of 25 ° C.
- the substrate has a concentration in the range of 20 to 30% by mass, for example, 25% by mass of ammonia water in a range of 0.7 to 1.3 parts by mass with respect to 1 part by mass of the substrate. Mass parts are uniformly impregnated. Therefore, the substrate is subjected to the action of ammonia while passing through the silo 25, and lignin is dissociated from the substrate or the substrate is swollen. As a result, lignin is dissociated from the substrate, or a pre-saccharification product in which the substrate is swollen is formed.
- a predetermined amount of the pre-saccharification product is continuously taken out from the silo 25 by the powder feeder 27 and supplied to the ammonia separation unit 3.
- the substrate corresponding to the supply amount of the saccharification pretreatment product by the powder feeder 27 is supplied by the substrate supply unit 22, and the surface of the substrate mixture and the saccharification pretreatment product in the silo 25 using the level meter 25a.
- the supply amount of the ammonia water supplied by the ammonia water supply unit 23 is controlled so that the amount held is constant. Therefore, the material balance in the silo 25 is maintained, and stable continuous operation is performed.
- the powder feeder 27 is directly connected to the bottom of the silo 25, and the pre-saccharification pretreatment product is forcibly cut out by the scraper to the ammonia separation unit 3. What has the function to supply is preferable.
- a powder feeder 27 include a continuous quantitative feeder (for example, trade name: Smooth Auto Feeder CF300, manufactured by DAISEI KOGYO Co., Ltd.).
- the saccharification pretreatment product supplied to the ammonia separation unit 3 by the powder feeder 27 separates ammonia from the saccharification pretreatment product in the ammonia separation unit 3.
- the saccharification pretreatment product in the ammonia separation unit 3 dissipates ammonia by heating, the ammonia in the saccharification pretreatment product is moved by the introduction unit 30 and the derivation unit 31 from the introduction unit 30 side to the derivation unit 31 side.
- the concentration of water gradually decreases and the boiling point of aqueous ammonia increases.
- the flow of the pre-saccharification product in the ammonia separation unit 3 and the flow of the heat medium are opposed to each other, so that the temperature of the pre-saccharification product flowing in the ammonia separation unit 3 is adjusted to the concentration of ammonia water.
- the temperature is set to the corresponding boiling point, and ammonia is separated from the pre-saccharification product.
- the ammonia gas suction unit 29 can suck ammonia from the pre-saccharification product by sucking ammonia gas vaporized from the pre-saccharification product. Separate well.
- the ammonia separation unit 3 may be any unit as long as it heats the pre-saccharified product to dissipate the ammonia gas. However, contact between the pre-saccharified product and the heating tube bundle in the ammonia separating unit 3 and In order to effectively dissipate ammonia inside the pre-saccharification product, it is preferable to have a multi-tube heating tube bundle that rotates inside the shell.
- a continuous conduction heat transfer dryer for example, product name: Inner tube rotary manufactured by Okawara Seisakusho Co., Ltd.
- the pre-saccharification product from which ammonia has been separated by the ammonia separation unit 3 is led out from the ammonia separation unit 3 by the lead-out unit 31 and transferred to the enzyme saccharification step in the subsequent step by the transfer unit 4.
- SYMBOLS 1 Pretreatment apparatus of lignocellulosic biomass, 2 ... Processing unit, 3 ... Ammonia separation unit, 21 ... Treatment tank, 22 ... Substrate supply unit, 23 ... Ammonia water supply unit.
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Abstract
Description
Claims (4)
- 基質としてのリグノセルロース系バイオマスとアンモニア水とを混合して、得られた湿粉体の基質混合物を処理して該基質に含まれるリグニンを解離し、又は該基質を膨潤させて湿粉体の糖化前処理物を得るように構成された処理ユニットと、
該糖化前処理物からアンモニアを分離するように構成されたアンモニア分離ユニットとを備えるリグノセルロース系バイオマスの糖化前処理装置において、
該処理ユニットは、処理槽と、
該処理槽に該基質を連続して供給するように構成された基質供給ユニットと、
該処理槽に該アンモニア水を連続して供給するように構成されたアンモニア水供給ユニットと、
該処理槽に供給された該基質及び該アンモニア水を攪拌して該基質に剪断力及び衝撃力を付与すると共に、該アンモニア水と該基質とを混合して、該基質混合物を得るように構成された混合ユニットと、
該処理槽と連通して該処理槽の直下に配設され、該処理槽から供給される基質混合物を所定時間貯留すると共に、貯留する間に非加熱状態で該基質に含まれるリグニンを解離し、又は該基質を膨潤させて、糖化前処理物を得るように構成された貯留ユニットとを備え、
該アンモニア分離ユニットは、該貯留ユニットの下部に配設され、該糖化前処理物を該貯留ユニットから該アンモニア分離ユニットに連続して供給するように構成された糖化前処理物供給ユニットを備えると共に、該貯留ユニットの直下に配設されることを特徴とするリグノセルロース系バイオマスの糖化前処理装置。 - 請求項1記載のリグノセルロース系バイオマスの糖化前処理装置において、
前記アンモニア水供給ユニットは、20~30質量%の範囲の濃度のアンモニア水を供給すると共に、前記基質供給ユニットにより供給される前記基質に対し、前記アンモニア水を、1:0.7~1:1.3の範囲の質量比で供給することを特徴とするリグノセルロース系バイオマスの糖化前処理装置。 - 請求項1又は請求項2記載のリグノセルロース系バイオマス糖化前処理装置において、
前記アンモニア分離ユニットは、前記糖化前処理物を熱媒体により加熱し、該糖化前処理物からアンモニアを分離し、
前記アンモニア分離ユニット内の該糖化前処理物の流れと該熱媒体の流れとが対向流であることを特徴とするリグノセルロース系バイオマス糖化前処理装置。 - 請求項1乃至請求項3のいずれか一項記載のリグノセルロース系バイオマス糖化前処理装置において、
前記アンモニア分離ユニットは、
該アンモニア分離ユニット内に供給された糖化前処理物から気化したアンモニアガスを吸引するように構成されたアンモニアガス吸引ユニットと、
該アンモニアガス吸引ユニットを用いて該アンモニアガスを吸引することにより、該アンモニア分離ユニット内を移動する糖化前処理物を真空状態に保持可能に構成された真空保持ユニットとを備え、
該真空保持ユニットは、
該アンモニア分離ユニット内の糖化前処理物を真空状態に保持すると共に、前記貯留ユニットから供給された糖化前処理物を該アンモニア分離ユニットに導入するように構成された導入ユニットと、
該アンモニア分離ユニット内の糖化前処理物を真空状態に保持すると共に、アンモニアが分離された糖化前処理物を該アンモニア分離ユニットから導出するように構成された導出ユニットとを含むことを特徴とするリグノセルロース系バイオマス糖化前処装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012523818A JP5759458B2 (ja) | 2010-07-05 | 2011-06-27 | リグノセルロース系バイオマスの糖化前処理装置 |
| US13/808,207 US9079124B2 (en) | 2010-07-05 | 2011-06-27 | Presaccharification treatment device for lignocellulosic biomass |
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| JP2010-153330 | 2010-07-05 | ||
| JP2010153330 | 2010-07-05 |
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| WO2012005131A1 true WO2012005131A1 (ja) | 2012-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/064653 Ceased WO2012005131A1 (ja) | 2010-07-05 | 2011-06-27 | リグノセルロース系バイオマスの糖化前処理装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9079124B2 (ja) |
| JP (1) | JP5759458B2 (ja) |
| WO (1) | WO2012005131A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012010685A (ja) * | 2010-07-05 | 2012-01-19 | Honda Motor Co Ltd | リグノセルロース系バイオマスの糖化前処理方法 |
| JP2014042494A (ja) * | 2012-08-28 | 2014-03-13 | Honda Motor Co Ltd | リグノセルロース系バイオマスの糖化前処理物及びその製造方法 |
| JP6006853B1 (ja) * | 2015-10-01 | 2016-10-12 | 新日鉄住金エンジニアリング株式会社 | リグノセルロース系バイオマス中の発酵阻害物質低減装置および発酵阻害物質低減方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675573A (zh) * | 2020-12-24 | 2021-04-20 | 尤超杰 | 一种具有分离筛酚类有害物的萃取装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009045654A2 (en) * | 2007-08-22 | 2009-04-09 | E. I. Du Pont De Nemours And Company | Improved biomass pretreatment |
| WO2010035832A1 (ja) * | 2008-09-29 | 2010-04-01 | 株式会社日本触媒 | 単糖類の製造方法 |
| JP2010115162A (ja) * | 2008-11-13 | 2010-05-27 | Honda Motor Co Ltd | リグノセルロース系バイオマス糖化前処理装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575697A (en) | 1980-06-13 | 1982-01-12 | Hitachi Ltd | Pretreatment of cellulosic substance |
| US6176176B1 (en) | 1998-04-30 | 2001-01-23 | Board Of Trustees Operating Michigan State University | Apparatus for treating cellulosic materials |
| CA2603774C (en) | 2005-04-12 | 2015-11-17 | E.I. Du Pont De Nemours And Company | System and process for biomass treatment |
| JP5106370B2 (ja) * | 2008-12-16 | 2012-12-26 | 本田技研工業株式会社 | リグノセルロース系バイオマス糖化前処理装置 |
-
2011
- 2011-06-27 WO PCT/JP2011/064653 patent/WO2012005131A1/ja not_active Ceased
- 2011-06-27 US US13/808,207 patent/US9079124B2/en not_active Expired - Fee Related
- 2011-06-27 JP JP2012523818A patent/JP5759458B2/ja not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009045654A2 (en) * | 2007-08-22 | 2009-04-09 | E. I. Du Pont De Nemours And Company | Improved biomass pretreatment |
| WO2010035832A1 (ja) * | 2008-09-29 | 2010-04-01 | 株式会社日本触媒 | 単糖類の製造方法 |
| JP2010115162A (ja) * | 2008-11-13 | 2010-05-27 | Honda Motor Co Ltd | リグノセルロース系バイオマス糖化前処理装置 |
Non-Patent Citations (2)
| Title |
|---|
| KIM TAE HYUN. ET AL.: "Pretreatment and fractionation of corn stover by ammonia recycle percolation process", BIORESOURCE TECHNOLOGY, vol. 96, 2005, pages 2007 - 2013 * |
| SENDICH ELIZABETH NEWTON. ET AL.: "Recent process improvements for the ammonia fiber expansion (AFEX) process and resulting reductions", BIORESOURCE TECHNOLOGY, vol. 99, 28 April 2008 (2008-04-28), pages 8429 - 8435 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012010685A (ja) * | 2010-07-05 | 2012-01-19 | Honda Motor Co Ltd | リグノセルロース系バイオマスの糖化前処理方法 |
| JP2014042494A (ja) * | 2012-08-28 | 2014-03-13 | Honda Motor Co Ltd | リグノセルロース系バイオマスの糖化前処理物及びその製造方法 |
| JP6006853B1 (ja) * | 2015-10-01 | 2016-10-12 | 新日鉄住金エンジニアリング株式会社 | リグノセルロース系バイオマス中の発酵阻害物質低減装置および発酵阻害物質低減方法 |
| WO2017057713A1 (ja) * | 2015-10-01 | 2017-04-06 | 新日鉄住金エンジニアリング株式会社 | リグノセルロース系バイオマス中の発酵阻害物質低減装置および発酵阻害物質低減方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9079124B2 (en) | 2015-07-14 |
| JP5759458B2 (ja) | 2015-08-05 |
| US20130112191A1 (en) | 2013-05-09 |
| JPWO2012005131A1 (ja) | 2013-09-02 |
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