WO2011093673A2 - 리그노셀룰로스계 바이오매스의 가수분해 전처리방법, 상기 방법으로 처리된 바이오매스로부터의 당화합물제조방법 및 바이오에탄올제조방법 - Google Patents
리그노셀룰로스계 바이오매스의 가수분해 전처리방법, 상기 방법으로 처리된 바이오매스로부터의 당화합물제조방법 및 바이오에탄올제조방법 Download PDFInfo
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- WO2011093673A2 WO2011093673A2 PCT/KR2011/000622 KR2011000622W WO2011093673A2 WO 2011093673 A2 WO2011093673 A2 WO 2011093673A2 KR 2011000622 W KR2011000622 W KR 2011000622W WO 2011093673 A2 WO2011093673 A2 WO 2011093673A2
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- lignocellulosic biomass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
- C10L1/023—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only for spark ignition
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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
- 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
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing 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
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- 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 hydrolysis pretreatment method of lignocellulosic biomass, and more specifically, to a hydrolysis pretreatment method of lignocellulosic biomass using a combination of wet grinding and popping method.
- the present invention relates to a method for producing sugar compounds from treated biomass and a method for producing bioethanol.
- sugar compounds have been produced by cultivation of natural products or microorganisms of plants and seaweeds, and have been used in various fields in food and medicine.
- glucose is a major substrate used in many fermentation techniques as well as energy demand, and thus various glucose sources are required.
- 'Saccharification' is the process by which the cellulose component is converted into glucose by the action of an enzyme, the process by which cellulase is adsorbed on the reaction surface of cellulose to convert cellulose into cellobiose, and the cellobiose thus produced is ⁇ It can be divided into the process of conversion to glucose by the enzymatic reaction of -glucosidase ( ⁇ -glucosidase).
- ⁇ -glucosidase ⁇ -glucosidase
- 'Fermentation' refers to a process in which glucose produced by saccharification is converted into ethanol and carbon dioxide under anaerobic conditions by microorganisms such as yeast.
- the lignocellulosic biomass is decomposed or converted to obtain a large amount of substances useful for human life, such as cellulose (cellulose, pulp), glucose, xylose (xylan), purified lignin, and their derivatives ethanol and xylitol.
- substances useful for human life such as cellulose (cellulose, pulp), glucose, xylose (xylan), purified lignin, and their derivatives ethanol and xylitol.
- the main factors affecting the biotechnical hydrolysis of lignocellulosic biomass include the degree of crystallinity and porosity of fibrin, and the content of lignin or hemicellulose also plays an important role.
- the adsorption capacity of the enzyme during biological hydrolysis using the enzyme has a very high correlation with the surface area of cellulose.
- the rate of hydrolysis increases as the amount of enzyme adsorbed increases and is determined by the crystallinity of the adsorbed enzyme and cellulose.
- a pretreatment process in order to saccharify lignocellulosic biomass, a pretreatment process is known to be essential.
- An effective pretreatment process should be to increase the content of cellulose, decrease the crystallinity of the microfibers, and increase the enzyme adsorption per unit area of the biomass, thereby increasing the enzyme hydrolysis capacity by increasing the reactivity of the cellulose.
- Such pretreatment methods include various physical and chemical methods, such as steam decay, alkali, sulfur dioxide, hydrogen peroxide, supercritical ammonia, weak acid extraction and ammonia freezing, depending on the type of lignocellulosic biomass. Printing methods and the like are known and are actually performed by combining these methods.
- the steam decay method has a low recovery rate of hemicellulose and has a disadvantage in that a large amount of various and non-recoverable by-products such as acetic acid and furfural, which are fermentation inhibitors, are generated.
- the vapor decay method is a biomass pretreatment process, and has low glycosylation efficiency.
- a decomposition catalyst such as weak acid, organic solvent, or liquid ammonia is used as a pretreatment method using base, sulfur dioxide, and hydrogen peroxide, but chemicals are expensive and these chemicals are expensive.
- the facility cost is increased by adding a device to recover. For this reason, it is hardly put into practical use.
- the steam explosion method using ammonia which has recently been spotlighted as a pretreatment method, includes a preheating coil, a leaching reactor, a steam jacket, a temperature sensor, a control valve, a trap, an open valve, a lignin discharge valve, an ammonia refill valve, an ammonia recirculation valve, and an ammonia reheater.
- a preheating coil a leaching reactor
- a steam jacket a temperature sensor
- a control valve a trap
- an open valve a lignin discharge valve
- an ammonia refill valve an ammonia refill valve
- an ammonia recirculation valve an ammonia reheater.
- Numerous devices and ancillary processes such as lignin separator, ammonia capture device, conductivity meter, conductivity controller, pump, etc. are required.
- steam pretreatment combined with chemical pretreatment and post-treatment uses chemicals such as strong acids and strong alkalis, excluding chemical costs and facility costs, resulting in secondary environment due to waste acid or waste alkali produced after treatment as well as process corrosion. Contamination and process recovery and recovery of media is extremely difficult.
- the present inventors have made continuous research efforts to develop a technique for lignocellulosic biomass pretreatment process which can further improve the hydrolysis efficiency. As a result, when the biomass is wet milled and popped, the surface area is remarkably increased. It was found that the present invention was completed.
- an object of the present invention is to reduce the energy consumed compared to the conventionally known pretreatment method, hydrolysis pretreatment method of environmentally friendly lignocellulosic biomass that is not treated with chemicals, sugars from the biomass treated by the method It is to provide a method for producing a compound and a method for producing a bioethanol.
- the present invention comprises the steps of immersion and swelling lignocellulosic biomass; Wet grinding the swollen biomass; And it provides a hydrolysis pretreatment method of lignocellulosic biomass comprising the step of popping the wet crushed biomass.
- the step of popping the wet milled biomass is treated in a popping machine under any one or more of a temperature of 150-250 ° C. and a pressure of 5-25 kgf / cm 2.
- the popping machine comprises a direct burner that directly heats the popping bath; A popping tank containing the wet milled biomass and maintaining a high temperature and high pressure when heated by the burner; A popping material storage tank having a predetermined volume of space and detachably connected so that a portion of the popping tank is introduced into the popping tank to recover the popped biomass from the popping tank; A motor for rotating the popping bath heated by the burner burner to maintain a uniform temperature in the popping bath and vapor diffusion in the embedded biomass; And a control unit for controlling one or more of a pressure and a temperature in the popping tank.
- the popping tank is installed at least one of a temperature sensor and a pressure sensor therein.
- the present invention also provides a method for producing a sugar compound from lignocellulosic biomass comprising a saccharification step of saccharifying lignocellulosic biomass obtained by the hydrolysis pretreatment method according to any one of claims 1 to 4. do.
- the saccharification step is carried out by treating 1 to 20 parts by weight of glycosylase per 100 parts by weight of the biomass.
- the glycosylase is any one selected from the group consisting of cellulase, xylanase, ⁇ -glucosidase and mixtures thereof.
- the present invention is a pre-treatment step of treating the lignocellulosic biomass by the hydrolysis pretreatment method of any one of claims 1 to 4; A saccharification step of saccharifying the biomass obtained in the pretreatment step; And it provides a method for producing bioethanol from lignocellulosic biomass comprising a fermentation step of fermenting the sugar compound obtained in the saccharification step.
- the saccharification step and the fermentation step are carried out simultaneously in a single reactor.
- Klebsiella oxytoca P2 Bretanomyomyces curstersii, Saccharin, which is a recombinant strain capable of simultaneously glycosylation and fermentation for simultaneous execution of the saccharification step and the fermentation step Either Saccharomyces uvzrun or Candida brassicae are treated.
- the present invention has the following excellent effects.
- the hydrolysis pretreatment method of lignocellulosic biomass of the present invention, the sugar compound production method and the bioethanol production method from the biomass treated by the above method is reduced energy consumption compared to the conventionally known pretreatment method, chemicals There is no treatment of the environment.
- the hydrolysis pretreatment method of the lignocellulosic biomass of the present invention, the sugar compound preparation method from the biomass treated by the above method, and the bioethanol production method have remarkably improved hydrolysis efficiency than the conventionally known pretreatment method.
- FIG. 1 is a schematic diagram showing a biological conversion process from biomass to ethanol including the pretreatment method of the present invention
- Figure 2 is an electron micrograph showing the change in shape of rice straw after the hydrolysis pretreatment method according to an embodiment of the present invention
- Figure 3 is a graph showing the change in the rate of enzyme hydrolysis of rice straw was hydrolysis pretreatment method in the method for producing a sugar compound according to an embodiment of the present invention.
- FIG. 1 is a schematic diagram showing a biological conversion process from biomass to ethanol including a pretreatment method developed by the present inventors
- Figure 2 is a change in the shape of rice straw after the hydrolysis pretreatment method according to an embodiment of the present invention is performed
- Figure 3 is an electron micrograph showing
- Figure 3 is a graph showing the change in the rate of enzyme hydrolysis of rice straw was hydrolyzed pretreatment method in the sugar compound production method according to an embodiment of the present invention.
- the present invention has its technical feature in the hydrolysis pretreatment method, which is an essential process for producing sugar compounds and / or bioethanol from lignocellulosic biomass. That is, according to the pretreatment method shown in FIG. 1, the finally obtained pretreated biomass can have a surface structure that effectively increases the contact area in contact with the hydrolase, thereby significantly increasing the hydrolysis efficiency. This is because the pretreatment process of popping after wet grinding of cellulose-based biomass may improve the hydrolysis efficiency by 70% or more compared to the pretreatment process of dry grinding after popping.
- the hydrolysis pretreatment method of the lignocellulosic biomass of the present invention includes the steps of immersion and swelling the lignocellulosic biomass, and wet grinding the swollen biomass; And popping the wet milled biomass.
- the popping step is performed in a temperature range of 150 to 250 ° C. and / or a pressure range of 5 to 25 kg / cm 2 using a popping machine developed to perform the popping step of the present invention. It is preferably carried out under a temperature range of 170 to 250 ° C. and / or a pressure of 15 to 25 kg / cm 2.
- the popping machine 100 developed to perform the popping step includes a direct burner 110, a popping tank 120, a popping material storage tank 130, a motor 140, and a controller 150. Consists of.
- the direct burner 110 is to replace the steam generator used in the steam detonation method. That is, the conventional steam detonation method is an indirect heating method connected to the detonation tank through the steam generator and the steam jacket to maintain a high temperature and high pressure in the detonation tank.
- the burner burner 110 constituting the popping machine 100 of the present invention directly applies heat to the popping tank 120, such as a gas burner composed of a gas cylinder and a heater, as shown in one example. Since it is a method of maintaining the heat generation and stability compared to the steam generator used in the steam decay method it can be seen that much better.
- the popping tank 120 is a container in which the wet crushed biomass is contained, and therefore, the popping tank 120 should be stably maintained even under high temperature and high pressure, and thus, is preferably made of a material capable of withstanding high temperature and high pressure and capable of being fired.
- One side of the popping tank 120 is fixed to include a frame having a known configuration, but not shown to be rotatable by the motor 140, and an opening for inflow and outflow of the sample, that is, the wet milled biomass, to the other end thereof.
- 121 is installed to be sealed with a cap. At this time, it is preferable that a hatch is provided in the opening so that steam contained in the sample is ejected instantaneously after popping.
- the inside of the popping tank 120 is installed a temperature sensor (not shown) for sensing the temperature inside the popping tank 120 is configured to deliver the sensed temperature to the controller 150.
- a pressure sensor may be installed inside the popping tank 120 instead of an externally mounted pressure gauge as shown.
- the popping reservoir 130 is a component for recovering the popped sample having a space volume of a form, and a portion of the popping vessel 120 is inserted into the popping reservoir 130 as shown to reduce the popping sound. It is preferably connected detachably so as to be introduced. As shown in the figure, an outlet for discharging the popped biomass to the opposite side to which the popping tank 120 of the popping material storage tank 130 is connected may be installed.
- the motor 140 rotates the popping tank 120 to maintain uniform temperature of the popping tank 120 and vapor diffusion in the sample when the temperature of the popping tank 120 is increased by the burner 110.
- the controller 150 is installed in the form of a control box having a keypad and a display window to control the motor 140 as well as to block the valve between the gas cylinder and the heater of the fire burner 110 at a set pressure and / or temperature.
- the temperature can be controlled.
- the saccharification process of the pretreated biomass may be carried out by acid saccharification according to a conventional method, but in the present invention, enzyme saccharification by a method in which no chemical substance such as acid is added at all. more preferably, by enzymatic saccharification.
- enzyme saccharification preference is given to using glycosylase selected from the group consisting of, for example, cellulase, xylanase, ⁇ -glucosidase and mixtures thereof.
- glycosylase selected from the group consisting of, for example, cellulase, xylanase, ⁇ -glucosidase and mixtures thereof.
- the glycosylase is preferably used in an amount of 1 to 20 parts by weight based on 100 parts by weight of the biomass.
- the saccharification process is preferably performed for 6 to 24 hours, particularly for 24 hours at a temperature of 40 ⁇ 45 °C.
- yeast for example, Saccharomyces cerevisiae
- sugar-resistant strains and enzymes capable of fermentation even at high sugar concentrations.
- Heat resistant strain capable of converting ethanol even near the optimum temperature of glycosylation recombinant strains capable of simultaneously glycosylation and fermentation to reduce the use of expensive enzymes and produce high concentrations of ethanol, for example, Krebsiella oxy Klebsiella oxytoca P2, Bretanomyces curstersii, Saccharomyces uvzrun, Candida brassicae, etc.
- the fermentation process is performed separately from the saccharification process, it is preferable to carry out for 12 to 24 hours at a temperature of 25 to 30 ° C., especially 30 ° C., but may be performed simultaneously with the saccharification process.
- Example 1 The photographs of the pretreatment obtained in Example 1 and Comparative Examples 1 and 2 were observed with an electron microscope, and the photograph is shown in FIG. 2.
- the chemical components were analyzed and the results are shown in Table 1.
- the pretreatment (Wet milling + Popping) pre-treated using a popping machine after wet grinding, and the pre-treatment (Ppping) and wet-crushed pretreatment (pulp) after milling after popping treatment is a chemical component
- the change did not show a big difference, but as shown in FIG. 3, the physical and morphological changes using the electron microscope showed a big difference.
- Cellulase (600 U / g biomass) and xylanase (300 U / g biomass) were added to 50 mg of rice straw pretreatment (wet grinding + popping) obtained in Example 1, and saccharification step at a temperature of 37 ° C. for 24 hours. To obtain a sugar compound (Wet milling + Popping).
- Example 4 shows that the comparative sugar (control) shows only 0.1 mg / ml of the produced sugar content, whereas the popping treatment with the popping compound shows a high hydrolysis rate of 3.6 mg / ml.
- the sugar compound (Wet milling + Popping) obtained by the wet milling and then the popping complex treatment showed a production sugar content of 6.4 mg / ml, 64 times compared to the control sugar (control), compared to the comparative sugar Compared to the compound (Popping), it was found that the hydrolysis rate was nearly doubled by more than 70%.
- Cellulase 600 U / g biomass
- xylanase 300 U / g biomass
- a saccharification process was performed at a temperature of 37 ° C. for 24 hours to obtain a sugar compound, that is, glucose.
- the concentration of glucose obtained as a sugar compound was concentrated to 10%, and then 15 g / l was added to Saccharomyces cerevisiae as a fermentation strain for bioethanol production, and the fermentation process was performed for 24 hours at a temperature of 30 ° C. Produced.
- the saccharification process and the fermentation process may be performed at the same time.
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Abstract
Description
Rahmnose | Arabinose | Mannose | Galactose | Xylose | Glucose | Total | |
Control | 0.1 | 2.9 | 0.6 | 0.7 | 17.9 | 48.2 | 70.4 |
비교예 1(Popping) | 0.1 | 2.7 | 0.5 | 1.4 | 16.3 | 46.8 | 67.8 |
실시예1(Wet milling+Popping) | 0.4 | 2.9 | 0.8 | 1.1 | 18.1 | 45.0 | 68.2 |
Claims (10)
- 리그노셀룰로스계 바이오매스를 수침하여 팽윤시키는 단계;상기 팽윤된 바이오매스를 습식마쇄하는 단계; 및상기 습식마쇄된 바이오매스를 팝핑(popping)하는 단계를 포함하는 리그노셀룰로스계 바이오매스의 가수분해 전처리방법.
- 제 1 항에 있어서,상기 팝핑하는 단계는 상기 습식마쇄된 바이오매스를 팝핑기에서 150~250℃ 의 온도 및 5~25 ㎏f/㎠의 압력 중 어느 하나 이상의 조건으로 처리하는 것을 특징으로 하는 리그노셀룰로스계 바이오매스의 가수분해 전처리방법.
- 제 2 항에 있어서, 상기 팝핑기는팝핑조에 직접 열을 가하는 직화버너;상기 습식마쇄된 바이오매스가 담겨지고, 상기 직화버너에 의해 가열되면 고온 고압을 유지하기 위한 팝핑조;일정 형태의 공간체적을 갖고 상기 팝핑조의 일부분이 내부로 도입되도록 탈부착 가능하게 연결되어 상기 팝핑조에서 팝핑된 바이오매스를 회수하는 팝핑물 저장조;상기 팝핑조내의 온도 및 상기 담겨진 바이오매스 내의 증기 확산을 균일 하게 유지하기 위해 상기 직화버너에 의해 가열되는 상기 팝핑조를 회전시키는 모터; 및상기 팝핑조의 내의 압력 및 온도 중 하나 이상을 제어하는 제어부를 포함하는 것을 특징으로 하는 리그노셀룰로스계 바이오매스의 가수분해 전처리방법.
- 제 3 항에 있어서,상기 팝핑조는 그 내부에 온도감지센서 및 압력감지센서 중 하나 이상이 설치된 것을 특징으로 하는 리그노셀룰로스계 바이오매스로부터의 당화합물 제조방법.
- 제 1 항 내지 제 4 항 중 어느 한 항의 가수분해 전처리방법으로 얻어진 리그노셀룰로스계 바이오매스를 당화시키는 당화단계를 포함하는 리그노셀룰로스계 바이오매스로부터의 당화합물 제조방법.
- 제 5 항에 있어서,상기 당화단계는 상기 바이오매스 100중량부 당 당화효소 1 내지 20중량부를 처리하여 수행되는 것을 특징으로 하는 리그노셀룰로스계 바이오매스로부터의 당화합물 제조방법.
- 제 6 항에 있어서,상기 당화효소는 셀룰라제, 자일라나제, β-글루코시다제 및 이들의 혼합물로 구성된 그룹으로부터 선택되는 어느 하나인 것을 특징으로 하는 리그노셀룰로스계 바이오매스로부터의 당화합물 제조방법.
- 리그노셀룰로스계 바이오매스를 제 1 항 내지 제 4 항 중 어느 한 항의 가수분해 전처리방법으로 처리하는 전처리단계;상기 전처리단계에서 얻어진 바이오매스를 당화시키는 당화단계; 및상기 당화단계에서 얻어진 당화합물을 발효시키는 발효단계를 포함하는 리그노셀룰로스계 바이오매스로부터의 바이오에탄올제조방법.
- 제 8 항에 있어서,상기 당화 단계와 발효단계는 단일 반응기 내에서 동시에 수행되는 것을 특징으로 하는 리그노셀룰로스계 바이오매스로부터의 바이오에탄올제조방법.
- 제 9 항에 있어서,상기 당화 단계와 발효 단계의 동시 수행을 위해 당화 및 발효가 동시에 가능한 재조합 균주인 크렙시엘라 옥시토카(Klebsiella oxytoca) P2, 브레타노마이세스 커스터시(Brettanomyces curstersii), 사카로마이세스 우브즈런(Saccharomyces uvzrun), 캔디다 브래시카에(Candida brassicae) 중 어느 하나가 처리되는 것을 특징으로 하는 리그노셀룰로스계 바이오매스로부터의 바이오에탄올제조방법.
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US13/574,403 US20120301928A1 (en) | 2010-01-29 | 2011-01-28 | Preprocessing method of hydrolyzing lignocellulosic biomass and methods of manufacturing sugar compound and bioethanol from biomass processed using the preprocessing method |
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KR1020100008497A KR101036853B1 (ko) | 2010-01-29 | 2010-01-29 | 리그노셀룰로스계 바이오매스의 가수분해 전처리방법, 상기 방법으로 처리된 바이오매스로부터의 당화합물제조방법 및 바이오에탄올제조방법 |
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KR20160132165A (ko) * | 2015-05-06 | 2016-11-17 | 서울대학교산학협력단 | 바이오매스 처리 방법 |
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KR101372298B1 (ko) | 2012-06-27 | 2014-03-10 | 한국과학기술원 | 미세조류로부터 바이오디젤을 제조하는 방법 |
US9328312B2 (en) | 2012-10-23 | 2016-05-03 | Tyton Biosciences, Llc | Subcritical water assisted oil extraction and green coal production from oilseeds |
KR101493227B1 (ko) * | 2012-12-12 | 2015-03-02 | 한국세라믹기술원 | 리그노셀룰로스계 바이오매스의 전처리 방법 및 이를 이용한 당화합물과 바이오연료의 제조방법 |
CN103014099B (zh) * | 2012-12-27 | 2015-03-11 | 山东大学 | 一种促进水解木质纤维素的方法 |
KR101449552B1 (ko) | 2012-12-28 | 2014-10-13 | 한국화학연구원 | 목질계 바이오매스로부터 발효당을 제조하는 방법 |
CN103074385B (zh) * | 2013-01-29 | 2014-12-10 | 大连工业大学 | 利用木质纤维素分批补料半同步糖化发酵制备乙醇的方法 |
US9765411B2 (en) * | 2013-05-07 | 2017-09-19 | Tyton Biosciences, Llc | Green process to hydrolyze carbohydrates from tobacco biomass using subcritical water |
KR101554874B1 (ko) | 2013-10-28 | 2015-10-22 | 한국세라믹기술원 | 리그노셀룰로스계 바이오매스를 이용한 당화합물의 제조방법 |
KR101593614B1 (ko) | 2014-04-22 | 2016-02-12 | (주)케이엠티알 | 당화 촉진 조성물을 이용한 바이오 에탄올의 생산방법 |
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KR101776906B1 (ko) * | 2016-01-28 | 2017-09-14 | 건국대학교 산학협력단 | 목질계 바이오매스의 효소 전처리에서 남은 단백질을 이용한 생물변환 방법 |
CN108823071A (zh) * | 2018-09-10 | 2018-11-16 | 北京鑫泽清源植物秸秆技术有限公司 | 植物秸秆工业化热动水解单糖与醇脂工艺系统 |
CN115322815A (zh) * | 2022-07-18 | 2022-11-11 | 中润油新能源股份有限公司 | 一种生物基甲醇汽油及其制备方法 |
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CN102741419A (zh) | 2012-10-17 |
WO2011093673A3 (ko) | 2012-01-05 |
KR101036853B1 (ko) | 2011-05-25 |
CN102741419B (zh) | 2014-10-29 |
US20120301928A1 (en) | 2012-11-29 |
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