JP6014426B2 - 高効率バイオエタノール製造方法 - Google Patents
高効率バイオエタノール製造方法 Download PDFInfo
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- JP6014426B2 JP6014426B2 JP2012192564A JP2012192564A JP6014426B2 JP 6014426 B2 JP6014426 B2 JP 6014426B2 JP 2012192564 A JP2012192564 A JP 2012192564A JP 2012192564 A JP2012192564 A JP 2012192564A JP 6014426 B2 JP6014426 B2 JP 6014426B2
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- saccharification
- concentration
- acetic acid
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- acid
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q3/00—Condition responsive control processes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
- C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
- C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Description
=(1/(1+10pH-pKa))×(全有機酸濃度) ・・・・(式1)
Claims (2)
- 基質としてのリグノセルロース系バイオマスである稲藁から、糖化前処理物を得る前処理工程と、
前記糖化前処理物を糖化酵素としてのアクレモニウムセルラーゼ(商標、明治製菓株式会社製)で糖化処理することによって糖化溶液を得る糖化工程と、
前記糖化溶液を同一槽内で、酵母により発酵処理することによってアルコールを含む発酵溶液を得る発酵工程と、
からなるリグノセルロース系バイオマスにおけるアルコールの製造方法において、
糖化処理開始時から終了時までの各時点で、前記糖化溶液中に生成した酢酸及び蟻酸の濃度値を測定する測定工程と、
前記測定によって求められた各時点の前記酢酸及び蟻酸の濃度値から、単位時間あたりの酢酸及び蟻酸の濃度の平均変化率と、その前後の平均変化率の比が20〜3200倍となる時点とを予め求める工程と、
次回の糖化工程で、その前後の平均変化率の比が20〜3200倍となる時点の5〜50時間前に、前記酵母を投入する酵母投入工程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におけるアルコールの製造方法。 - 請求項1記載のリグノセルロース系バイオマスにおけるアルコールの製造方法において、
前記糖化溶液中の酢酸及び蟻酸の濃度値は、前記糖化溶液のpHから求められる酢酸及び蟻酸の非解離度と、前記糖化溶液で実測した全酢酸及び蟻酸の濃度との積から求めることを特徴とする、
リグノセルロース系バイオマスにおけるアルコールの製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012192564A JP6014426B2 (ja) | 2012-03-30 | 2012-08-31 | 高効率バイオエタノール製造方法 |
US13/791,273 US20130260365A1 (en) | 2012-03-30 | 2013-03-08 | Highly efficient process for producing bioethanol |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2012081746 | 2012-03-30 | ||
JP2012081746 | 2012-03-30 | ||
JP2012192564A JP6014426B2 (ja) | 2012-03-30 | 2012-08-31 | 高効率バイオエタノール製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013226113A JP2013226113A (ja) | 2013-11-07 |
JP6014426B2 true JP6014426B2 (ja) | 2016-10-25 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2012192564A Expired - Fee Related JP6014426B2 (ja) | 2012-03-30 | 2012-08-31 | 高効率バイオエタノール製造方法 |
Country Status (2)
Country | Link |
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US (1) | US20130260365A1 (ja) |
JP (1) | JP6014426B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6324768B2 (ja) * | 2014-03-14 | 2018-05-16 | 本田技研工業株式会社 | バイオエタノールの製造方法 |
JP6532248B2 (ja) * | 2014-03-14 | 2019-06-19 | 本田技研工業株式会社 | 微生物の増殖方法 |
KR101763367B1 (ko) * | 2015-04-09 | 2017-07-31 | 한국화학연구원 | 오염 미생물의 대사산물 생성을 최소화하는 바이오매스의 효소당화 방법 및 그 장치 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2008268139B2 (en) * | 2007-06-27 | 2014-08-21 | Novozymes A/S | Methods for producing fermentation products |
CN101821397A (zh) * | 2007-10-12 | 2010-09-01 | 丹尼斯科美国公司 | 从发酵微生物中提高有机物产生的方法和组合物 |
JP2009112200A (ja) * | 2007-11-02 | 2009-05-28 | Nippon Steel Engineering Co Ltd | エタノール製造方法 |
JP5187823B2 (ja) * | 2007-12-14 | 2013-04-24 | 独立行政法人農業・食品産業技術総合研究機構 | アルコール発酵に適した新規酵母及びそれを用いたアルコール製造方法 |
JP5552254B2 (ja) * | 2009-04-13 | 2014-07-16 | 日立造船株式会社 | ごみ焼却施設におけるセルロース系エタノールの製造方法 |
JP2011167096A (ja) * | 2010-02-17 | 2011-09-01 | Kobe Univ | バイオマスからのエタノールの生産方法 |
JP2012050376A (ja) * | 2010-08-31 | 2012-03-15 | Kansai Chemical Engineering Co Ltd | エタノールの製造方法 |
-
2012
- 2012-08-31 JP JP2012192564A patent/JP6014426B2/ja not_active Expired - Fee Related
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2013
- 2013-03-08 US US13/791,273 patent/US20130260365A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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JP2013226113A (ja) | 2013-11-07 |
US20130260365A1 (en) | 2013-10-03 |
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