JP2021513852A - アルカン酸の抽出 - Google Patents
アルカン酸の抽出 Download PDFInfo
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- JP2021513852A JP2021513852A JP2020543600A JP2020543600A JP2021513852A JP 2021513852 A JP2021513852 A JP 2021513852A JP 2020543600 A JP2020543600 A JP 2020543600A JP 2020543600 A JP2020543600 A JP 2020543600A JP 2021513852 A JP2021513852 A JP 2021513852A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- ester
- medium
- alkanoic
- alkanoic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
-
- 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
- B01D11/0492—Applications, solvents used
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/126—Acids containing more than four carbon atoms
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- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
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- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/62—Carboxylic acid esters
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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
- C12P7/64—Fats; Fatty oils; Ester-type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats
- C12P7/6409—Fatty acids
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- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Chemistry (AREA)
- Tropical Medicine & Parasitology (AREA)
- Virology (AREA)
- Biomedical Technology (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
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- Extraction Or Liquid Replacement (AREA)
- Fats And Perfumes (AREA)
Abstract
Description
(a)水性媒体中のアルカン酸及び/又はそのエステルを、水性媒体から抽出媒体中にアルカン酸及び/又はそのエステルを抽出するのに十分な時間で、少なくとも1つの抽出媒体と接触させる工程;
(b)前記水性媒体から、前記抽出されたアルカン酸及び/又はそのエステルを備える前記抽出媒体を分離する工程;を含み、
ここで、前記抽出媒体が以下の:
−少なくとも1つのアルキルホスフィンオキシド、好ましくは、トリオクチルホスフィンオキシド(TOPO)、及び少なくとも1つのアルカンの混合物、を含み、
ここで、前記アルカンは少なくとも12個の炭素原子を含む、方法が提供される。
−合成ガスを、ウッド−Ljungdahl経路及びエタノール−カルボン酸発酵を行うことができる少なくとも1つの細菌と接触させて、ヘキサン酸を生成する工程;
を含むことができる。
(0)エタノール及び/又は酢酸塩を、水性媒体中で炭素鎖伸長を行うことができる少なくとも1つの微生物と接触させて、エタノール及び/又は酢酸塩からアルカン酸及び/又はそのエステルを生成する工程;
を含む。
エタノールと酢酸の酪酸への生体内変換に、細菌Clostridium kluyveriを用いた。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル内で、嫌気的条件下で行った。
エタノールと酢酸の酪酸への生体内変換に、細菌Clostridium kluyveriを用いた。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中で、嫌気的条件下で行った。
その結果、製造段階では、酢酸塩量は0.54g/Lから0.03g/Lに、エタノール量は5.6g/Lから4.9g/Lに減少した。また、酪酸濃度は0.05g/Lから0.28g/Lに、ヘキサン酸濃度は0.03g/Lから0.79g/Lに増加した。
エタノールと酢酸の酪酸への生体内変換に、細菌Clostridium kluyveriを用いた。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中で、嫌気的条件下で行った。
細菌Clostridium kluyveri DSM555(German DSMZ)を培養し、エタノールと酢酸のヘキサン酸への生体内変換を行った。デカンとトリオクチルホスフィンオキシド(TOPO)の混合物を培養に添加して、生成したヘキサン酸をinSitu抽出した。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中で、嫌気的条件下で行った。
この間にOD600nmは0.111から0.076に減少した。
細菌Clostridium kluyveriを培養し、エタノールと酢酸のヘキサン酸への生体内変換を行った。テトラデカンとトリオクチルホスフィンオキシド(TOPO)の混合物を培養に添加して、生成したヘキサン酸をinSitu抽出した。全培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中、嫌気的条件下で行った。
この間、OD600nmは0.095〜0.685に増加した。
細菌Clostridium kluyveriを培養して、エタノールと酢酸のヘキサン酸への生体内変換を行った。ヘキサデカンとトリオクチルホスフィンオキシド(TOPO)の混合物を培養に添加して、生成したヘキサン酸をinSitu抽出した。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中で、嫌気的条件下で行った。
この間、OD600nmは0.091から0.256に増加した。
細菌Clostridium kluyveriを培養し、エタノールと酢酸のヘキサン酸への生体内変換を行った。ヘキサデカンとトリオクチルホスフィンオキシド(TOPO)の混合物を培養に添加して、生成したヘキサン酸をinSitu抽出した。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中で、嫌気的条件下で行った。
この間にOD600nmは0.083から0.363に増加した。
細菌Clostridium kluyveriを培養し、エタノールと酢酸のヘキサン酸への生体内変換を行った。ヘキサデカンとトリオクチルホスフィンオキシド(TOPO)の混合物を培養に添加して、生成したヘキサン酸をinSitu抽出した。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中で、嫌気的条件下で行った。
この間にOD600nmは0.091から0.259に増加した。
実験の全段階において、両相から試料を採取して、高速液体クロマトグラフィー(HPLC)によるヘキサン酸のpH及び濃度を測定した。ヘキサン酸5g/kgの水溶液100g及びヘキサデカン中の6%トリオクチルホスフィノキシド(TOPO)の混合物33gを分液漏斗に充填し、37℃で1分間混合した。次いで、漏斗を三脚リング内に配置し、エマルジョンを放置して、自発的に分離させた。水相のpHを測定した。次いで、1M NaOH溶液を漏斗に添加し、混合した。水相中のpHが6.2に達するまで、分離及びサンプリング工程を繰り返した。この時点で、両相から試料を採取し、その後の解析を行った。水相はHPLCで直接分析することができた。有機相の分析には、希釈ヘキサン酸をまず水に再抽出した(1M NaOHの添加によりpH12.0)後、HPLCにより分析した。水中のヘキサン酸とヘキサデカン中の6%TOPOの分配係数KDは、両相のヘキサン酸の濃度から計算した。
実験の全段階において、両相から試料を採取して、高速液体クロマトグラフィー(HPLC)によるヘキサン酸のpH及び濃度を測定した。ヘキサン酸5g/kgの水溶液100g及びヘプタデカン中の6%トリオクチルホスフィノキシド(TOPO)の混合物33gを分液漏斗に充填し、37℃で1分間混合した。次いで、漏斗を三脚リング内に配置し、エマルジョンを放置して、自発的に分離させた。水相のpHを測定した。1M NaOH溶液を漏斗に添加し、混合した。水相中のpHが6.2に達するまで、分離及びサンプリング工程を繰り返した。この時点で、両相から試料を採取し、その後の解析を行った。水相はHPLCで直接分析することができた。有機相の分析には、希釈ヘキサン酸をまず水に再抽出した(1M NaOHの添加によりpH12.0)後、HPLCにより分析した。水中のヘキサン酸及びヘプタデカン中の6%TOPOの分配係数KDは、両相のヘキサン酸の濃度から計算した。
実験の全段階において、両相から試料を採取して、高速液体クロマトグラフィー(HPLC)によるヘキサン酸のpH及び濃度を測定した。ヘキサン酸5g/kg+酢酸0.5g/kgの水溶液130g及びテトラデカン中の6%トリオクチルホスフィノキシド(TOPO)の混合物15gを分液漏斗に充填し、37℃で1分間混合した。次いで、漏斗を三脚リング内に配置し、エマルジョンを放置して、自発的に分離させた。水相のpHを測定した。1M NaOH溶液を漏斗に添加し、混合した。水相中のpHが6.2に達するまで、分離及びサンプリング工程を繰り返した。この時点で、両相から試料を採取し、その後の解析を行った。水相はHPLCで直接分析することができた。有機相の分析には、希釈ヘキサン酸をまず水に再抽出した(1M NaOHの添加によりpH12.0)後、HPLCにより分析した。水系中のヘキサン酸とテトラデカン中の6%TOPOの分配係数KDは、両相のヘキサン酸の濃度から計算した。
細菌Clostridium kluyveriを培養し、エタノールと酢酸のヘキサン酸への生体内変換を行った。ヘキサデカンとトリオクチルホスフィンオキシド(TOPO)の混合物を培養に添加して、生成したヘキサン酸をinSitu抽出した。全ての培養工程は、ブチルゴム栓で密閉することができる耐圧ガラスボトル中で、嫌気的条件下で行った。
Claims (15)
- 水性媒体からアルカン酸及び/又はそのエステルを抽出する方法であって、以下の工程:
(a)水性媒体中のアルカン酸及び/又はそのエステルを、水性媒体から抽出媒体中にアルカン酸及び/又はそのエステルを抽出するのに十分な時間で、少なくとも1つの抽出媒体と接触させる工程;
(b)前記水性媒体から、前記抽出されたアルカン酸及び/又はそのエステルを備える前記抽出媒体を分離する工程;を含み、
ここで、前記抽出媒体が以下の:
−少なくとも1つのアルキルホスフィンオキシド、好ましくは、トリオクチルホスフィンオキシド(TOPO)、及び少なくとも1つのアルカンの混合物、を含み、
ここで、前記アルカンは少なくとも12個の炭素原子を含む、
方法。 - 前記アルカンが12〜18個の炭素原子を含む、請求項1に記載の方法。
- 前記アルカンがヘキサデカンである、請求項1又は2に記載の方法。
- 前記アルカン酸及び/又はそのエステルが、炭素原子が4〜16個であるアルカン酸からなる群より選択される、請求項1〜3のいずれか一項に記載の方法。
- 前記アルカン酸がヘキサン酸である、請求項1〜4のいずれか一項に記載の方法。
- 前記ヘキサン酸が合成ガスから生成され、前記ヘキサン酸の生成方法が以下の工程:
−合成ガスを、ウッド−Ljungdahl経路及びエタノール−カルボン酸発酵を行うことができる少なくとも1つの細菌と接触させて、ヘキサン酸を生成する工程;
を含む、請求項5に記載の方法。 - 前記細菌が、Clostridium kluyveri及びC.Carboxidivoransからなる群より選択される、請求項6に記載の方法。
- 少なくとも1つのアルキルホスフィンオキシド、好ましくはトリオクチルホスフィンオキシド(TOPO)のアルカンに対する質量比が1:100〜1:10である、請求項1〜7のいずれか一項に記載の方法。
- 前記水性媒体のpHが5.5〜7の間に維持される、請求項1〜8のいずれか一項に記載の方法。
- 前記抽出媒体は、再利用される、請求項1〜9のいずれか1項に記載の方法。
- 少なくとも1つのアルキル−ホスフィンオキシド、好ましくはトリオクチルホスフィンオキシド(TOPO)とアルカンとの混合物の、水性媒体からアルカン酸及び/又はそのエステルを抽出するための使用であって、前記アルカンが少なくとも12個の炭素原子を含む、使用。
- 前記アルカンが、12〜18個の炭素原子を含む、請求項11に記載の使用。
- 前記アルカンが、ヘキサデカンである、請求項11又は12に記載の使用。
- 前記アルカン酸及び/又はそのエステルが、炭素原子が4〜16個であるアルカン酸からなる群より選択される、請求項11〜13のいずれか一項に記載の使用。
- 前記アルカン酸が、ヘキサン酸である、請求項11〜14のいずれか一項に記載の使用。
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