WO2012141546A2 - 미생물 발효를 통해 제조된 생성물을 흡착제를 이용하여 분리 정제하는 장치 및 방법 - Google Patents
미생물 발효를 통해 제조된 생성물을 흡착제를 이용하여 분리 정제하는 장치 및 방법 Download PDFInfo
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- 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
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- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/04—Apparatus for enzymology or microbiology with gas introduction means
- C12M1/06—Apparatus for enzymology or microbiology with gas introduction means with agitator, e.g. impeller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/22—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the construction of the column
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- 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
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- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/58—Reaction vessels connected in series or in parallel
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- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/16—Particles; Beads; Granular material; Encapsulation
- C12M25/18—Fixed or packed bed
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- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/16—Particles; Beads; Granular material; Encapsulation
- C12M25/20—Fluidized bed
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- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/10—Separation or concentration of fermentation products
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- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/12—Purification
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- 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
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- 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
- C12P7/065—Ethanol, i.e. non-beverage with microorganisms other than yeasts
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- 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
- C12P7/16—Butanols
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- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/24—Preparation of oxygen-containing organic compounds containing a carbonyl group
- C12P7/26—Ketones
- C12P7/28—Acetone-containing products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
- B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
- B01D15/1885—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns placed in parallel
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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 an apparatus and a separation purification method for continuously separating and purifying a product produced by fermentation of microorganisms.
- Butanol is an intermediate compound with a wide range of applications, such as cosmetics, perfumes, hormones, hygiene, industrial coatings, paint additives, fibers, plastic monomers, medical supplies, vitamins, antibiotics, and pesticides (Durre, Biotechnol). J, 2: 1525-1534, 2007].
- this method has a disadvantage in that only butanol is selectively adsorbed to activated carbon, and the concentration of butanol is low, so that butanol is difficult to recover, and the physical stability of activated carbon is insufficient and cannot be reused.
- the amount of butanol adsorbed is proportional to the concentration of butanol, but the amount of butanol adsorbed is very small because the concentration of butanol produced by continuous culture is low. Due to this problem, the productivity does not exceed 1 g / L / h despite the continuous culture process.
- due to the aggregation of the strain may cause problems in the process due to physical clogging of the column filled with activated carbon.
- the aggregated mass of cells blocks the column and forms a channel in the flow of the culture medium, making it difficult to adsorb products such as butanol, acetone, isopropanol or ethanol to the entire adsorbent, thereby lowering the adsorption efficiency.
- adsorb products such as butanol, acetone, isopropanol or ethanol
- adsorb products such as butanol, acetone, isopropanol or ethanol
- the adsorbent must be recovered again in the culture medium, and the loss of the adsorbent inevitably occurs during the recovery process.
- impurities and microorganisms generated by the microorganisms are adsorbed at the same time during the culturing process, thereby lowering the purity and productivity when recovering butanol.
- the amount of butanol adsorbed is proportional to the amount of adsorbent added to the culture, which causes a limitation in the amount of adsorbent added to the culture.
- this method is relatively limited in the method of increasing the concentration of butanol because the relatively high concentration of ethanol and acetone acts to desorb the adsorbed butanol.
- It includes a conversion unit for adjusting the culture solution containing the product is supplied to the specific column from the culture tank,
- the conversion unit stops the supply of the culture medium to the first column when the product is sufficiently adsorbed in the first column to which the culture medium is supplied, and changes the flow of the culture medium so that the culture medium is supplied to the second column, continuous fermentation of the product A separation purification apparatus is provided.
- the product in the microbial culture can be separated and purified at a simple and high speed.
- FIG. 1 shows a fermentation separation and purification apparatus of a product produced through microbial fermentation according to one embodiment of the present invention.
- 2 is a comparative graph showing relatively butanol adsorption performance of the adsorbents.
- Figure 4 shows the culture results cultured in a culture method according to an embodiment of the present invention.
- ABE acetone, butanol and ethanol.
- the present invention is a.
- It includes a conversion unit for adjusting the culture solution containing the product is supplied to the specific column from the culture tank,
- the conversion unit stops the supply of the culture medium to the first column when the product is sufficiently adsorbed in the first column to which the culture medium is supplied, and changes the flow of the culture medium so that the culture medium is supplied to the second column, continuous fermentation of the product
- a separate purification apparatus FIG. 1.
- fermentation separation and purification device of the product produced through the microbial fermentation (hereinafter referred to as “fermentation separation and purification device") and fermentation of the product produced through the microbial fermentation according to the present invention
- the separation purification method (hereinafter referred to as 'fermentation separation purification method') will be described in detail.
- the fermentation separation purification apparatus of the present invention includes two or more columns packed with an adsorbent.
- the fermentation separation and purification apparatus of the present invention includes 2 to 20 columns filled with the adsorbent, more preferably 2 to 10, even more preferably 2 to 5, and most preferably Includes two to three.
- the columns may be represented by a first column, a second column, a third column, a fourth column, a fifth column, a sixth column, and the like. However, hereinafter, it will be described using two columns for convenience of explanation.
- the terms "first column” and "second column” used in the following description are arbitrarily numbered for convenience of description and do not mean that the fermentation separation and purification apparatus of the present invention includes only two columns.
- the present invention is to supply the culture solution to several columns continuously, the description of one column is equally applied to the other column.
- the culture tank 130 receives the raw material and the medium from the supply tank 140 to culture the microorganisms. As a result, in the culture tank 130, a fermentation broth of the microorganisms (hereinafter referred to as "culture medium") is produced, and the culture broth contains a product produced by the microorganisms through fermentation.
- culture medium a fermentation broth of the microorganisms
- the culture solution discharged from the culture tank 130 is supplied to the first column 110 using the pump 160.
- the supply may be continuous or discontinuous.
- the culture solution supplied to the first column 110 includes a product produced by the microorganism through fermentation, and the product in the culture solution is adsorbed to the adsorbent 112 in the column.
- the fermentation separation purification apparatus of the present invention may further include a stirrer (not shown) for stirring the adsorbent and the product in the column.
- a stirrer for stirring the adsorbent and the product in the column.
- the culture medium and the adsorbent inside the first column 110 are evenly mixed to prevent the culture medium and the adsorbent from agglomerating in the column, in particular, the portion to which the culture solution is supplied or the discharge liquid is discharged out of the column. I can keep it.
- the culture may be circulated from the top of the first column 110 to the bottom, but is not limited thereto.
- the connection between the culture tank 130 and the first column 110 is blocked by the first conversion unit 170, so that the culture solution to the first column 110 Supply is interrupted.
- the first converter 170 and the third converter 174 are opened in a direction in which the culture tank 130 and the second column 120 are connected to each other, and the culture solution is supplied to the second column 120. That is, when the product is sufficiently adsorbed in the first column 110, the supply of the culture solution to the first column 110 is stopped, and the flow of the culture solution is changed so that the culture solution is supplied to the second column 120.
- the first conversion unit 170 and the third conversion unit 174 may include a 4-way valve.
- desorption may proceed in the first column 110 in which the supply of the culture solution is blocked.
- Desorption means eluting the product adsorbed to an adsorbent from an adsorbent, and making an adsorbent the state which can be resorbed.
- the desorption may be performed using heat or an eluting agent, but is not limited thereto.
- the type is not limited as long as it is suitable for the process conditions.
- the desorption is carried out using heat or an eluent, so that the desorption can be performed at any time, and a sufficient amount of the product can be separated and purified even with a small amount of the adsorbent 112.
- the desorption of the present invention can be carried out by applying heat to the adsorbed product to vaporize the product, which is preferably costly heat and can be applied in the form of steam or hot air.
- the steam is steam, and may be applied at a pressure of 0,01-6.bar.
- the hot air can be applied at a pressure of 0.01 ⁇ 6 bar, and has a temperature that can elute the product without damaging the column and the adsorbent.
- the temperature of the hot air is 100 to 200 ° C, preferably 110 to 150 ° C, more preferably 120 to 140 ° C, and most preferably 130 ° C.
- the desorption of the present invention can be carried out using an eluent
- the eluent may be an organic solvent, an acidic aqueous solution or a basic aqueous solution.
- the organic solvent may be tetrahydrofuran, alcohol, ketone, ether or ester, preferably methanol, acetone, ethyl acetate, diethyl ether or methyl ethyl ketone, but is not limited thereto.
- desorption is flowing a tetrahydrofuran solvent or passing water vapor.
- desorption may be carried out by flowing a tetrahydrofuran solvent twice the volume of the adsorbent at a flow rate of 10 mL / min, or by passing a steam at 130 ° C. at a pressure of 2 bar.
- the desorption proceeds in a state in which the adsorbent in the first column 110 is not taken out, that is, in-situ.
- the culture solution may be supplied to the second column 120 to continuously flow the culture solution.
- the adsorption proceeds continuously in the second column 120 to which the culture solution is supplied, fermentation separation and purification of the product is continuously performed.
- the fermentation separation purification apparatus of the present invention may further include a filter 114 at the top or bottom of the column to prevent the adsorbent 112 from being eluted and lost.
- the case where the product in the column is sufficiently adsorbed is when the product is sufficiently adsorbed to the adsorbent in the column. That is, when the product is sufficiently adsorbed, the product is sufficiently adsorbed in the first column, and the adsorption of the product in the first column is stopped rather than continuously producing and adsorbing the product in the first column, and the second column is It is the case that it is better to adsorb the product at.
- the adsorption rate of the product to the adsorbent is low or the concentration of the product in the discharge liquid discharged from the column is 80% or more of the concentration of the product in the culture liquid supplied to the column.
- the microbial fermentation broth of the present invention includes a product produced by the microorganism, in particular butanol.
- the concentration of butanol in the culture reaches about 12 g / L, the microorganism may be fatally affected by the toxicity of butanol.
- the discharge liquid discharged from the column of the present invention is supplied to the culture tank, and as the discharge liquid is continuously supplied to the culture tank, the concentration of the product in the culture tank, especially butanol, is increased, and as a result, Microbial culture in the culture tank may be inhibited. Therefore, the case where the product of the present invention is sufficiently adsorbed may be a case where the growth of microorganisms in the culture tank is inhibited by an increase in product concentration, or when the product productivity of the microorganism is lowered.
- the culture The growth of microorganisms in the tank may be inhibited by an increase in the concentration of the product, or the productivity of the microorganisms may be reduced, which may be determined by those skilled in the art according to the type of microorganism, the type of adsorbent, the type and composition of the product, and the like.
- the productivity of the microorganisms may be reduced, which may be determined by those skilled in the art according to the type of microorganism, the type of adsorbent, the type and composition of the product, and the like.
- the connection between the culture tank 130 and the second column 120 is blocked by the first converter 170 and the third converter 174.
- the supply of the culture solution flowing into the second column 120 is stopped.
- the conversion unit is opened in a direction in which the culture tank 130 and the other column are connected, and the culture solution is supplied to the other column.
- desorption proceeds, and in another column, adsorption of the product in the culture solution proceeds, thereby separating and purifying the product continuously.
- the desorption in the second column 120 proceeds as in the desorption in the first column 110.
- the 'other column' may be the first column 110 or the third column. This may vary depending on the number of columns included in the fermentation separation purification apparatus. That is, if there are three or more columns in the fermentation separation purification apparatus, the 'other column' will be the third column. If there are two columns in the fermentation separation and purification device, the 'other column' will be the first column 110, and the first column 110 will be adsorbed by the product in the second column 120. Desorption will be completed. In this case, the first converter 170 is opened in the direction in which the culture tank 130 and the first column 110 are connected, and the culture solution is supplied to the first column 110. The adsorption of the product will proceed in the first column 110 while the desorption proceeds in the second column 120.
- the fermentation separation purification apparatus of the present invention can not only reuse the adsorbent in the columns by repeating the above process, but also can continuously fermentation separation and purification of the product.
- the fermentation separation purification apparatus of the present invention may further include a storage tank 150 for storing the product desorbed from the adsorbent filled in the first column (110). While the desorption is performed in the first column 110, the second converter 172 and the fourth converter 176 are opened in a direction in which the reservoir 150 and the first column 110 are connected. As a result, the product desorbed from the first column 110 is moved to the reservoir 150.
- the second converter 172 and the fourth converter 176 may include a four-way valve.
- the desorbed product may also be stored in the reservoir 150.
- the fourth conversion unit 176 is opened in the direction in which the reservoir 150 and the second column 120 are connected, thereby moving the desorbed product to the reservoir 150.
- At least a portion of the discharge liquid discharged from the column of the present invention may be supplied to the culture tank.
- the amount of the discharge liquid supplied to the culture tank may be equal to or less than the amount of the culture solution supplied to the column from the culture tank.
- the fermentation separation purification apparatus and the fermentation separation purification method of the present invention can be easily and continuously fermentation separation and purification of the product produced through the microbial culture, and the adsorption efficiency is also high because the desorption is properly performed when the product is sufficiently adsorbed on the adsorbent. . Therefore, the fermentation separation purification apparatus and the fermentation separation purification method of the present invention can separate and purify products produced through microbial culture with high efficiency.
- the microorganism of the present invention may be any microorganism having the ability to produce a biofuel product from a raw material, and is not particularly limited.
- the microorganism of the present invention may be a bacterium, a yeast or a fungus and the like, preferably a bacterium or a yeast.
- the microorganism of the present invention may be a wild type microorganism or a genetically modified microorganism.
- the microorganism of the present invention may be Clostridium genus or Escherichia coli, which is genetically recombined so that the productivity of a wild type or a specific product is high, but it will be apparent to those skilled in the art.
- a Clostridium microorganism lacking a gene (buk) encoding a butyrate kinase enzyme as the microorganism of the present invention, butanol, acetone, isopropanol or ethanol under anaerobic conditions without producing much butyric acid
- the genetically engineered Clostridium can be prepared according to the method disclosed in the published paper (Microbiology (1996), 142, 2079-2086).
- a mutant PJC4BK or BKM19 (KCTC 10558BP) is prepared by deleting the butyrate kinase gene (buk) in Clostridium acetobutylicum.
- mutant strains are prepared by deleting phosphotransacetylase gene (pta) and acetic acid kinase gene (ackA), respectively, in the strain.
- pta phosphotransacetylase gene
- ackA acetic acid kinase gene
- the microorganism of the present invention can be cultured by fed-batch or continuous culture method.
- the continuous culture method is a method of fermenting while maintaining a constant culture medium in the culture tank by supplying fresh medium to the culture tank at a constant rate and simultaneously discharging the same amount of microbial fermentation broth.
- the fed-batch culture method is a method of intermittently supplying a medium, and is a method of arbitrarily controlling the substrate concentration in the culture solution.
- the raw material of this invention should just be what a microorganism can use for fermentation, and can produce a product, The kind in particular is not restrict
- the raw material of the present invention may be biomass, sugars or fatty acids.
- the biomass may be wood, grains, or the like, but is not limited thereto.
- the sugars may be monosaccharides, polysaccharides, polysaccharides, and the like, may be sugars composed of C 3 to C 12, and include polysaccharides generated during hydrolysis of biomass.
- the sugar may be glycerol, glucose, sucrose, xylose, starch, cellulose, and the like, but is not limited thereto.
- the fatty acid may be a C2 to C24 fatty acid, but may be acetic acid, butyric acid, propionic acid, and the like, but is not limited thereto.
- the products of the present invention are fermentation products produced by microorganisms.
- the product of the present invention is a biofuel, but may be alcohol, ketone, ester or carboxylic acid and the like, but is not limited thereto.
- the alcohol may be a C2 to C6 alcohol, preferably C4 or less alcohol, more preferably ethanol, propanol, isopropanol (2-propanol), 1,2-propanediol, 1,3- Propanediol, 1,3-butanediol, 1,4-butanediol, butanol, and the like, but is not limited thereto.
- the ketone may be a C3 ⁇ C8 ketone, for example, but may be acetoacetate, acetone, but is not limited thereto.
- the ester may be a C4 ⁇ C8 ester, for example, may be, but is not limited to, ethyl acetate, ethyl butylate, butyl acetate, butyl butylate, and the like.
- the carboxylic acid may be C2 to C8 carboxylic acid, for example, may be acetic acid, butyric acid, propionic acid, but is not limited thereto.
- the product of the present invention may be butanol, isopropanol, ethanol or acetone, but is not limited thereto.
- the adsorbent 112 of the present invention may be filled with a volume of the column in which it is contained, i.e., from 0.1% to 99% by volume. If the adsorbent 112 is less than 0.1% by volume relative to the volume of the column, the amount of the adsorbent 112 may be insufficient and thus adsorption may not be performed properly. In addition, when the adsorbent 112 is 99% by volume or more, the adsorbent 112 or agglomerated masses of cells may be formed inside the column, and thus adsorption may not be performed properly.
- the column form into which the culture fluid is supplied may be in the form of a slurry reactor, a flow reactor or a packed reactor.
- the fluidized reactor type is a low amount of adsorbent and high fluidity
- the slurry reactor type is an adsorbent suspended in a culture medium
- the packed reactor type is a substantially full adsorbent in a column. (packed) form.
- the intermediate forms of the three forms may be classified into the three forms according to which of the three forms are close to each other, and the inside of the column does not belong to any of the three forms as the intermediate state of the three forms. Not.
- the adsorbent may be classified into a filling reactor, or if it is determined that it is suspended to some extent, may be classified into a slurry reactor.
- the converter of the present invention changes and regulates the flow of the culture solution or the discharge liquid, and controls the culture solution to be supplied from the culture tank 130 to a specific column, or sends the discharge liquid discharged from the specific column to the storage tank 150.
- One or more conversion units may be used, which may be appropriately installed by those skilled in the art according to the design of the fermentation separation and purification apparatus of the present invention.
- butanol adsorption performance of various adsorbents of Mitsubishi Corporation was compared.
- Several kinds of adsorbents were added to 50 mL of 50 mM phosphate buffer solution containing 2% butanol, and the mixture was allowed to stand for 1 hour while stirring, and then the concentration of butanol remaining in the solution was analyzed by gas chromatography.
- the adsorbent SP850 had the best performance (FIG. 2), but the type of the adsorbent is not limited to the SP850.
- Analysis of products such as butanol, acetone, isopropanol or ethanol was performed by gas chromatography (Agilent, USA), the analysis conditions are shown in Table 1 below.
- butanol adsorption rate is very important because the culture medium has to adsorb butanol for a short time passing through the column.
- 3 g (dry weight) adsorbent was added to 50 mL of CGM liquid medium containing various concentrations of butanol, followed by sampling at 30 seconds, 1 minute, 2 minutes, 5 minutes, 10 minutes, 30 minutes, and 1 hour while stirring at 200 rpm. Butanol concentration remaining in the solution was confirmed by gas chromatography analysis.
- Recombinant Clostridium strains were prepared to confirm the amount of adsorbent and fermentation conditions suitable for fed-batch fermentation.
- Recombinant Clostridial microorganisms C. acetobutylicum PJC4BK-IPA2 containing secondary alcohol dehydrogenase required for microbial fermentation were prepared.
- CGM Chrotridium Growth Media
- Electroporation buffer solution was prepared by mixing 15 mL of 270 mM sucrose and 0.11 mL of 686 mM NaH 2 PO 4 (pH 7.4). The cell pellet was washed three times with the electroporation buffer prepared as described above, and then suspended in 2 mL of the same buffer to prepare transformed cells. In this manner, 0.5-2.0 g of plasmid containing the secondary alcohol dehydrogenase gene was added to 500 l of the transformed cell, and electroporation was performed using Bio-Rad's Gene pulser II (4 mm cuvette, 2.5 kV, ⁇ ).
- the plasmids used for transformation were all methylated in Escherichia coli ER2275 transformed with the pAN1 vector prior to electroporation so as to be insensitive to the restriction system of the Clostridium strain.
- the concentration of sugar and organic acid can be determined by centrifuging the culture, obtaining a supernatant, using high pressure liquid chromatography (HPLC), gas chromatography, and a sugar analyzer.
- HPLC conditions used water containing 0.01 N sulfuric acid as the mobile phase and the flow rate is 0.6 mL / min.
- Aminex87H and Aminex87P (Bio-rad, USA) were used for the column, and the resulting sugar and organic acid were analyzed using a Reflective Index (RI) detector.
- Products such as butanol, acetone, isopropanol and ethanol were prepared using the fed-batch culture method based on the optimized results in the above experimental examples.
- Experimental methods and analysis were performed in the same manner as in ⁇ Experimental Example 3>, but the concentration of CGM culture medium containing 250 mL of adsorbent was increased to 1 and 2 times, respectively, while fermenting the glucose contained in the culture medium, such as butanol, acetone, isopropanol and ethanol. The amount of product produced was compared.
- the fed-batch culture apparatus shown in FIG. 1 was produced, and at this time, two columns were included.
- a stirrer was installed after mounting a filter of about 150 m. Thereafter, 300 mL of the SP850 adsorbent was packed into two columns (the first column and the second column, respectively). This was connected to the culture tank using a silicone tube and equipped with a pump so that the culture fluid circulated the column.
- the four-way valve was adjusted to change the flow of the culture medium and the product to the first column where desorption was completed.
- the adsorbents of the first column and the second column can be reused.
- the circulation direction of the culture solution was circulated from the top of the column but the direction is not a problem.
- a C. acetobutylicum PJC4BK strain having a production capacity of butanol, acetone, and ethanol was prepared using a fed-batch culture apparatus, and cultured as in the experimental examples.
- the incubation was started by inoculating 300 mL of the spawn anaerobic incubator overnight in a CGM liquid medium in a reactor containing 2.7 L of CGM liquid medium.
- the seed was cultivated by a general batch fermentation, but in order to produce a high concentration of butanol, acetone, and ethanol at a higher cell concentration, it may be cultured in a cell-immobilized form.
- the culture solution was passed through a first column through a pump at a flow rate of 30 mL / min.
- the adsorbent SP850 was suspended in the culture solution to form a slurry phase, and the flow of the culture solution was confirmed to pass through the first column without being blocked by the aggregated mass of cells.
- the culture medium samples were taken immediately before and after the passage of the first column, and the concentrations of butanol, acetone, ethanol and the like were analyzed by gas chromatography.
- the sugar concentration was maintained at 20 g / L during the incubation process using HPLC and glucose analyzer.
- the amount of products such as butanol, acetone, isopropanol or ethanol was confirmed by gas chromatography.
- the fed-batch culture was performed stably for about 150 hours, and it was confirmed that the concentration of the product in the discharge liquid (after adsorption) discharged from the column was significantly lower than the concentration of the product in the culture solution (before adsorption) supplied to the column. That is, it was confirmed that products such as butanol, acetone, and ethanol in the discharge liquid discharged from the column were maintained at very low concentrations. In addition, it was confirmed that the product was maintained at a constant concentration even in the culture apparatus, so that the microorganisms were not affected by the toxicity of butanol, thereby stably producing the product.
- first conversion unit 172 second conversion unit
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Abstract
Description
| 인젝터(injector) 온도 | 320℃ |
| 감지기 온도 | 320℃ |
| 인젝터 스플릿 비(injector split ratio) | 20/1 |
| 주입 부피 | 0.1μL |
| 오븐 조건 | 80℃/20분 |
| 공기 유량 | 300mL/분 |
| H2 유량 | 30mL/분 |
| 칼럼: Supelco CarboWAX | |
| 흡착제의 양(mL/L) | 생성물 (g/L) | 수율(%) | 생성속도(g/L/시간) | 글루코오스소비량(g/L) | ||||
| 아세톤 | 에탄올 | 부탄올 | IPA | 합계 | ||||
| 0 | 0.4 | 4.1 | 16.8 | 3.3 | 25 | 35 | 0.6 | 70 |
| 200 | 0.6 | 7.7 | 23.1 | 9.6 | 40 | 33 | 1.35 | 120 |
| 250 | 3.6 | 8.4 | 27.6 | 6.2 | 46 | 34 | 1.2 | 132 |
| 300 | 2.3 | 6.2 | 27.1 | 7.8 | 43.3 | 30 | 1.09 | 153 |
| 350 | 7.0 | 7.2 | 25.1 | 5.4 | 44.7 | 28 | 1.06 | 161 |
| 400 | 6.4 | 8.53 | 27.2 | 7.6 | 49.7 | 30 | 1.10 | 166 |
| 재사용회수 | 생성물(g/L) | 수율(%) | 생성속도(g/L/h) | 배양시간(h) | 포도당소모량(g/L) | ||||
| 아세톤 | 에탄올 | 부탄올 | IPA | 합계 | |||||
| 1 | 2.2 | 6.6 | 26.9 | 6.6 | 42 | 36 | 1.02 | 41 | 117 |
| 2 | 1.8 | 6.4 | 20.0 | 7.7 | 36 | 35 | 1.20 | 30 | 104 |
| 3 | 0.6 | 7.7 | 23.1 | 9.6 | 40 | 33 | 1.35 | 30 | 120 |
| 4 | 1.8 | 7.1 | 23.2 | 7.6 | 40 | 33 | 1.32 | 30 | 121 |
| 5 | 1.7 | 4.7 | 23.4 | 6.5 | 37 | 34 | 1.23 | 30 | 110 |
| 6 | 1.5 | 7.3 | 22.9 | 9.0 | 41 | 37 | 1.03 | 40 | 110 |
| 7 | 1.4 | 6.9 | 22.3 | 8.5 | 39 | 33 | 1.02 | 39 | 118 |
| 8 | 3.3 | 5.6 | 21.4 | 5.5 | 36 | 32 | 1.00 | 36 | 110 |
| 9 | 1.5 | 6.7 | 20.9 | 7.1 | 36 | 32 | 1.01 | 36 | 112 |
| 10 | 2.1 | 6.3 | 22.9 | 6.5 | 38 | 36 | 1.26 | 36 | 104 |
| 배양조건 | 생성물 (g/L) | 용매 증가율(%) | 수율(%) | 생성속도(g/L/h) | |||||
| 흡착제 | CGM 농도 | 아세톤 | 에탄올 | 부탄올 | IPA | 합계 | |||
| O | 2 | 0.77 | 9.70 | 32.4 | 9.06 | 52 | 108 | 33 | 1.24 |
| O | 1 | 3.63 | 8.4 | 27.6 | 6.2 | 46 | 84 | 35 | 1.21 |
| X | 1 | 0.43 | 4.1 | 16.8 | 3.3 | 25 | 0 | 35 | 0.6 |
Claims (27)
- 미생물이 원료 물질과 함께 배양되어 생성물을 생산하는 배양조;흡착제가 충진된 2개 이상의 칼럼;및생성물이 포함된 배양액이 배양조로부터 특정 칼럼으로 공급되도록 조절하는 변환부를 포함하되,상기 변환부는 배양액이 공급되는 제 1 칼럼에서 생성물이 충분히 흡착된 경우, 상기 제 1 칼럼으로의 배양액의 공급을 중단하고, 제 2 칼럼으로 배양액이 공급되도록 배양액의 흐름을 변경하는, 생성물의 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,상기 생성물이 충분히 흡착된 경우는, 흡착제에 대한 생성물의 흡착률이 낮아지는 경우 또는 칼럼으로부터 배출되는 배출액 내 생성물의 농도가 칼럼으로 공급되는 배양액 내 생성물의 농도의 80% 이상인 경우인 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,상기 칼럼으로부터 배출되는 배출액의 적어도 일부가 배양조로 공급되는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 3항에 있어서,상기 생성물이 충분히 흡착된 경우는, 흡착제에 대한 생성물의 흡착률이 낮아지는 경우, 칼럼으로부터 배출되는 배출액 내 생성물의 농도가 칼럼으로 공급되는 배양액 내 생성물의 농도의 80% 이상인 경우, 배양조 내 미생물의 생장이 생성물 농도 증가에 의하여 저해되는 경우 또는 미생물의 생성물 생산성이 낮아지는 경우인 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,배양액이 공급되는 제 2 칼럼에서 생성물의 흡착이 진행되는 동안 상기 배양액의 공급이 중단된 제 1 칼럼에서는 흡착제에 흡착된 생성물의 탈착이 진행되는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 5항에 있어서,상기 탈착은 열 또는 용출제를 이용하여 수행되는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 5항에 있어서,상기 탈착은 흡착제에 흡착된 생성물에 열을 가하여 기화시켜 수행되는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 5항에 있어서,상기 탈착은 유기 용매, 산성 수용액, 또는 염기성 수용액인 용출제를 이용하여 수행되는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,상기 생성물은 알코올, 케톤, 에스테르 또는 카르복실산인 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,상기 흡착제는 칼럼의 부피 대비 0.1% 내지 99%의 부피로 충진되는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,배양액이 공급되는 칼럼의 형태는 슬러리 반응기, 유동 반응기 또는 충진 반응기 형태인 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,상기 원료 물질은 지방산 또는 당류인 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,흡착제로부터 탈착되는 생성물을 저장하는 저장조를 추가로 포함하는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,상기 칼럼 내에서 흡착제 및 생성물을 교반하는 교반기를 추가로 포함하는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 제 1항에 있어서,흡착제가 용출되어 유실되는 것을 방지하는 필터를 추가로 포함하는 것을 특징으로 하는 연속적 발효 분리 정제 장치.
- 미생물을 원료 물질과 함께 배양하여 생성물을 생산하는 단계;상기 생성물이 포함된 배양액을 흡착제가 충진된 제 1 칼럼에 공급하는 단계;및상기 제 1 칼럼에서 생성물이 충분히 흡착된 경우, 제 1 칼럼으로의 배양액의 공급을 중단하고 제 2 칼럼으로 배양액을 공급하는 단계를 포함하는,생성물의 연속적인 발효 분리 정제 방법.
- 제 16항에 있어서,상기 생성물이 충분히 흡착된 경우는, 흡착제에 대한 생성물의 흡착률이 낮아지는 경우 또는 칼럼으로부터 배출되는 배출액 내 생성물의 농도가 칼럼으로 공급되는 배양액 내 생성물의 농도의 80% 이상인 경우인 것을 특징으로 하는 발효 분리 정제 방법.
- 제 16항에 있어서,상기 원료 물질은 지방산 또는 당류인 것을 특징으로 하는 발효 분리 정제 방법.
- 제 16항에 있어서,상기 생성물은 알코올, 케톤, 에스테르 또는 카르복실산인 것을 특징으로 하는 발효 분리 정제 방법.
- 제 16항에 있어서,상기 흡착제는 칼럼의 부피 대비 0.1% 내지 99%의 부피로 충진되는 것을 특징으로 하는 발효 분리 정제 방법.
- 제 16항에 있어서,배양액이 공급되는 칼럼의 형태는 슬러리 반응기, 유동 반응기 또는 충진 반응기 형태인 것을 특징으로 하는 발효 분리 정제 방법.
- 제 16항에 있어서,상기 제 1 칼럼으로부터 배출되는 배출액의 적어도 일부를 다시 미생물 배양에 이용하는 것을 특징으로 하는 발효 분리 정제 방법.
- 제 22항에 있어서,상기 생성물이 충분히 흡착된 경우는, 흡착제에 대한 생성물의 흡착률이 낮아지는 경우, 칼럼으로부터 배출되는 배출액 내 생성물의 농도가 칼럼으로 공급되는 배양액 내 생성물의 농도의 80% 이상인 경우, 배양조 내 미생물의 생장이 생성물 농도 증가에 의하여 저해되는 경우 또는 미생물의 생성물 생산성이 낮아지는 경우인 것을 특징으로 하는 발효 분리 정제 방법.
- 제 16항에 있어서,배양액이 공급되는 제 2 칼럼에서 생성물의 흡착이 진행되는 동안 상기 배양액의 공급이 중단된 제 1 칼럼에서는 흡착제에 흡착된 생성물의 탈착이 진행되는 단계를 추가로 포함하는 것을 특징으로 하는 발효 분리 정제 방법.
- 제 24항에 있어서,상기 탈착은 열 또는 용출제를 이용하여 수행되는 것을 특징으로 하는 발효 분리 정제 방법.
- 제 24항에 있어서,상기 탈착은 흡착제에 흡착된 생성물에 열을 가하여 기화시켜 수행되는 것을 특징으로 하는 발효 분리 정제 방법.
- 제 24항에 있어서,상기 탈착은 유기 용매, 산성 수용액, 또는 염기성 수용액인 용출제를 이용하여 수행되는 것을 특징으로 하는 발효 분리 정제 방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2012243504A AU2012243504B2 (en) | 2011-04-14 | 2012-04-13 | Apparatus and method for separating and refining fermentation of product manufactured by fermenting microorganism by using adsorbent |
| US14/111,425 US20140038250A1 (en) | 2011-04-14 | 2012-04-13 | Apparatus and method for separating and refining product manufactured by microbial fermentation by using adsorbent |
| BR112013026238-9A BR112013026238B1 (pt) | 2011-04-14 | 2012-04-13 | Método de fermentação, separação e refinamento con´tínuo de produtos |
| CN201280018471.4A CN103476918B (zh) | 2011-04-14 | 2012-04-13 | 利用吸附剂对通过微生物发酵制得的产物分离和精制的装置及方法 |
| CA2832960A CA2832960C (en) | 2011-04-14 | 2012-04-13 | Apparatus and method for separating and refining product manufactured by microbial fermentation by using adsorbent |
| EP12771036.6A EP2698423B1 (en) | 2011-04-14 | 2012-04-13 | Apparatus and method for separating and refining product manufactured by microbial fermentation by using adsorbent |
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| PCT/KR2012/002841 Ceased WO2012141542A2 (ko) | 2011-04-14 | 2012-04-13 | 미생물 발효를 통해 제조된 생성물을 흡착제를 이용하여 분리 정제하는 장치 및 방법 |
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Country Status (9)
| Country | Link |
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| US (2) | US20140038250A1 (ko) |
| EP (1) | EP2698423B1 (ko) |
| KR (2) | KR101418638B1 (ko) |
| CN (1) | CN103476918B (ko) |
| AU (1) | AU2012243504B2 (ko) |
| BR (1) | BR112013026238B1 (ko) |
| CA (1) | CA2832960C (ko) |
| MY (1) | MY180565A (ko) |
| WO (2) | WO2012141546A2 (ko) |
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| CN105327524B (zh) * | 2014-08-08 | 2017-10-17 | 苏州汇通色谱分离纯化有限公司 | 一种两端收缩平滑连接型高、中压色谱柱 |
| CN104974013B (zh) * | 2015-05-28 | 2017-03-15 | 南京工业大学 | 一种利用连续色谱技术分离丁醇发酵液的工艺 |
| CN107446813B (zh) * | 2017-08-22 | 2023-10-31 | 江西省科学院微生物研究所 | 一种连续转化生产2-pe的装置及其连续转化生产2-pe的方法 |
| CN107583308B (zh) * | 2017-10-19 | 2023-10-10 | 苏州苏震生物工程有限公司 | 一种用于1,3-丙二醇和2,3-丁二醇纯化的设备及工艺 |
| KR101989814B1 (ko) | 2017-11-28 | 2019-06-17 | 지에스칼텍스 주식회사 | 클로스트리디움 및 대장균에서 복제가 가능한 셔틀 플라스미드 및 이를 이용하여 제조된, 오탄당 대사 및 발효 성능이 증강된 재조합 미생물 |
| WO2019159991A1 (ja) * | 2018-02-13 | 2019-08-22 | 花王株式会社 | 発酵生成物の製造方法 |
| EP3778852A4 (en) * | 2018-03-27 | 2021-12-22 | Sekisui Chemical Co., Ltd. | DEVICE FOR MANUFACTURING AN ORGANIC SUBSTANCE AND GAS PROCESSING SYSTEM |
| CN109609392B (zh) * | 2018-12-24 | 2022-04-19 | 上海智城分析仪器制造有限公司 | 一种用于酵母菌的虹吸导管补料摇床培养方法 |
| KR102773001B1 (ko) * | 2023-07-27 | 2025-02-27 | 동우 화인켐 주식회사 | 유기용매 정제 방법 및 탈수 시스템 |
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- 2012-04-13 AU AU2012243504A patent/AU2012243504B2/en active Active
- 2012-04-13 US US14/111,425 patent/US20140038250A1/en not_active Abandoned
- 2012-04-13 CN CN201280018471.4A patent/CN103476918B/zh active Active
- 2012-04-13 KR KR20120038770A patent/KR101487057B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2012243504A1 (en) | 2013-10-31 |
| EP2698423A4 (en) | 2014-12-10 |
| WO2012141542A2 (ko) | 2012-10-18 |
| BR112013026238B1 (pt) | 2020-02-11 |
| BR112013026238A2 (pt) | 2017-06-20 |
| WO2012141546A3 (ko) | 2013-03-07 |
| US20140030777A1 (en) | 2014-01-30 |
| WO2012141542A3 (ko) | 2013-03-07 |
| CN103476918A (zh) | 2013-12-25 |
| MY180565A (en) | 2020-12-02 |
| EP2698423A2 (en) | 2014-02-19 |
| KR20120117690A (ko) | 2012-10-24 |
| AU2012243504B2 (en) | 2015-08-13 |
| CA2832960A1 (en) | 2012-10-18 |
| KR101418638B1 (ko) | 2014-07-10 |
| KR20120117689A (ko) | 2012-10-24 |
| KR101487057B1 (ko) | 2015-01-27 |
| US20140038250A1 (en) | 2014-02-06 |
| EP2698423B1 (en) | 2020-12-23 |
| CN103476918B (zh) | 2016-09-14 |
| CA2832960C (en) | 2020-07-21 |
| US10150973B2 (en) | 2018-12-11 |
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