JP4756276B2 - エタノールの製造方法 - Google Patents
エタノールの製造方法 Download PDFInfo
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- JP4756276B2 JP4756276B2 JP2006281199A JP2006281199A JP4756276B2 JP 4756276 B2 JP4756276 B2 JP 4756276B2 JP 2006281199 A JP2006281199 A JP 2006281199A JP 2006281199 A JP2006281199 A JP 2006281199A JP 4756276 B2 JP4756276 B2 JP 4756276B2
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- ethanol
- lignocellulosic biomass
- fermentation
- producing
- alkali
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims description 95
- 238000004519 manufacturing process Methods 0.000 title claims description 33
- 239000002029 lignocellulosic biomass Substances 0.000 claims description 41
- 108090000790 Enzymes Proteins 0.000 claims description 38
- 102000004190 Enzymes Human genes 0.000 claims description 38
- 241000894006 Bacteria Species 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 239000003513 alkali Substances 0.000 claims description 16
- 238000010411 cooking Methods 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 244000005700 microbiome Species 0.000 claims description 9
- 241000223259 Trichoderma Species 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 241000235070 Saccharomyces Species 0.000 claims description 4
- 239000002655 kraft paper Substances 0.000 claims description 4
- 241001019659 Acremonium <Plectosphaerellaceae> Species 0.000 claims description 3
- 241000228212 Aspergillus Species 0.000 claims description 3
- 241000223198 Humicola Species 0.000 claims description 3
- 241000222342 Irpex Species 0.000 claims description 3
- 241000235648 Pichia Species 0.000 claims description 3
- 241000588901 Zymomonas Species 0.000 claims description 3
- 230000029087 digestion Effects 0.000 claims description 3
- 238000000855 fermentation Methods 0.000 description 38
- 230000004151 fermentation Effects 0.000 description 38
- 229940088598 enzyme Drugs 0.000 description 34
- 238000006243 chemical reaction Methods 0.000 description 31
- 239000000243 solution Substances 0.000 description 19
- 241000218645 Cedrus Species 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000001913 cellulose Substances 0.000 description 11
- 229920002678 cellulose Polymers 0.000 description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 229920005610 lignin Polymers 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000002028 Biomass Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000005077 polysulfide Substances 0.000 description 4
- 229920001021 polysulfide Polymers 0.000 description 4
- 150000008117 polysulfides Polymers 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 235000017550 sodium carbonate Nutrition 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 108010059892 Cellulase Proteins 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 239000001888 Peptone Substances 0.000 description 3
- 108010080698 Peptones Proteins 0.000 description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 3
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000002419 base digestion Methods 0.000 description 3
- 229940106157 cellulase Drugs 0.000 description 3
- 238000012258 culturing Methods 0.000 description 3
- 235000019319 peptone Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 244000305267 Quercus macrolepis Species 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229940041514 candida albicans extract Drugs 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000012138 yeast extract Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 235000000378 Caryota urens Nutrition 0.000 description 1
- 241000722863 Cortaderia jubata Species 0.000 description 1
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 1
- 244000301850 Cupressus sempervirens Species 0.000 description 1
- 240000000163 Cycas revoluta Species 0.000 description 1
- 235000008601 Cycas revoluta Nutrition 0.000 description 1
- 235000001950 Elaeis guineensis Nutrition 0.000 description 1
- 244000127993 Elaeis melanococca Species 0.000 description 1
- 244000004281 Eucalyptus maculata Species 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000218652 Larix Species 0.000 description 1
- 235000005590 Larix decidua Nutrition 0.000 description 1
- 240000007472 Leucaena leucocephala Species 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- 235000010103 Metroxylon rumphii Nutrition 0.000 description 1
- 241000646357 Monopterus cuchia Species 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 241000124033 Salix Species 0.000 description 1
- 240000005499 Sasa Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000499912 Trichoderma reesei Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 238000003028 enzyme activity measurement method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 238000005502 peroxidation Methods 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Description
(1)リグノセルロース系バイオマスをアルカリ蒸解法で脱リグニンし、アルカリ蒸解したリグノセルロース系バイオマスを炭素源として糖化酵素産生菌を培養し、リグノセルロース系バイオマスの糖化に適した酵素を生産させ、得られた糖化酵素を含有する培養液とエタノール発酵菌をアルカリ蒸解したリグノセルロース系バイオマスに添加して発酵させることを特徴とするエタノールの製造方法。
(2)リグノセルロース系バイオマスが、木本植物、草本植物、それらの加工物およびそれらの廃棄物からなる群より選ばれる少なくとも1種であることを特徴とする請求項1に記載のエタノールの製造方法。
(3)アルカリ蒸解法がソーダ法またはクラフト法であることを特徴とする(1)項に記載のエタノールの製造方法。
(4)糖化酵素産生菌が、トリコデルマ属、アスペルギルス属、フミコラ属、イルペックス属またはアクレモニウム属に属する微生物であることを特徴とする(1)項に記載のエタノールの製造方法。
(5)エタノール発酵菌が、サッカロマイセス属、ザイモモナス属またはピキア属に属する微生物であることを特徴とする(1)項に記載のエタノールの製造方法。
以下、実施例に従って本発明をさらに詳細に説明するが、本発明はこれによって限定されるものではない。
風乾したスギチップ1kgに、水酸化ナトリウム200gを含む水溶液4kgを加え、20℃から90分間かけて170℃まで加温し、さらに170℃を240分間保った(全アルカリ蒸解時間330分)。水溶液を除いた後、アルカリ蒸解したスギを十分に水洗し、水分70%になるまで圧縮脱水した。この圧縮脱水したアルカリ蒸解したスギ18g(水分70%)、ペプトン1.8g、酵母エキス1.2g、硫安0.6g、リン酸水素二ナトリウム1.2g、塩化カルシウム0.24g、硫酸マグネシウム0.3g、Tween80 0.6g、蒸留水600mLを混合し、オートクレーブ滅菌後、Trichoderma reesei (NBRC31329)を植菌し、28℃、10日間培養し、糖化酵素を含む培養液とした。また、Saccharomyces cerevisiae(NBRC 2347)は、YM Broth 100mLで28℃、3日間培養し、エタノール発酵微生物培養液を調整した。1Lガラス反応器に含水率70%まで圧縮脱水した前記アルカリ蒸解したスギ20gを入れ、前記Trichoderma培養液75mL、前記Saccharomyces培養液40mLを加え、33℃で嫌気的に同時糖化発酵を行った。24時間おきに含水率70%まで圧縮脱水した前記アルカリ蒸解したスギ10gを19回追加添加し、初期投入と合わせて水分70%まで圧縮脱水した前記アルカリ蒸解したスギ210g (セルロース含量43g)を使用した。さらに、7日おきに前記Trichoderma培養液60mLを2回追加添加した。21日後のエタノール生産量は18g(無水換算)となり、エタノール変換率は、84%であった。
アルカリ蒸解したスギを炭素源として糖化酵素を生産させた培養液と結晶性セルロース(アビセル)を炭素源として糖化酵素を生産させた培養液について、それぞれの炭素源を基質とした場合の培養液中の糖化酵素による分解性を比較した。
Claims (5)
- リグノセルロース系バイオマスをアルカリ蒸解法で脱リグニンし、アルカリ蒸解したリグノセルロース系バイオマスを炭素源として糖化酵素産生菌を培養し、リグノセルロース系バイオマスの糖化に適した酵素を生産させ、得られた糖化酵素を含有する培養液とエタノール発酵菌をアルカリ蒸解したリグノセルロース系バイオマスに添加して発酵させることを特徴とするエタノールの製造方法。
- リグノセルロース系バイオマスが、木本植物、草本植物、それらの加工物およびそれらの廃棄物からなる群より選ばれる少なくとも1種であることを特徴とする請求項1に記載のエタノールの製造方法。
- アルカリ蒸解法がソーダ法またはクラフト法であることを特徴とする請求項1に記載のエタノールの製造方法。
- 糖化酵素産生菌が、トリコデルマ属、アスペルギルス属、フミコラ属、イルペックス属またはアクレモニウム属に属する微生物であることを特徴とする請求項1に記載のエタノールの製造方法。
- エタノール発酵菌が、サッカロマイセス属、ザイモモナス属またはピキア属に属する微生物であることを特徴とする請求項1に記載のエタノールの製造方法。
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JP2006281199A JP4756276B2 (ja) | 2006-10-16 | 2006-10-16 | エタノールの製造方法 |
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JP2006281199A JP4756276B2 (ja) | 2006-10-16 | 2006-10-16 | エタノールの製造方法 |
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JP4756276B2 true JP4756276B2 (ja) | 2011-08-24 |
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Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5050236B2 (ja) * | 2008-03-12 | 2012-10-17 | 独立行政法人農業環境技術研究所 | アルコールの製造方法 |
JP2009291154A (ja) * | 2008-06-06 | 2009-12-17 | Yuzo Tsuchida | バイオエタノールの製造方法 |
JP5339250B2 (ja) * | 2008-07-28 | 2013-11-13 | 独立行政法人産業技術総合研究所 | 酵素液の製造方法及び糖の製造方法 |
JP2010081826A (ja) * | 2008-09-30 | 2010-04-15 | Kansai Electric Power Co Inc:The | セルラーゼ生産菌用培地、セルラーゼ生産菌の培養方法、及びセルロースの糖化方法 |
JP2010104361A (ja) * | 2008-10-02 | 2010-05-13 | Musashino Chemical Laboratory Ltd | リグノセルロース系バイオマスを用いた糖化液の製造方法 |
JP5263768B2 (ja) * | 2008-10-15 | 2013-08-14 | 日鉄住金環境株式会社 | 有機性廃液の処理方法 |
JP5130182B2 (ja) * | 2008-10-23 | 2013-01-30 | 三井造船株式会社 | 空果房糖化の前処理方法及びその前処理方法を用いたエタノールの製造方法 |
BRPI0920252B1 (pt) | 2008-10-30 | 2019-01-02 | Oji Holdings Corp | métodos para produzir açúcares e produzir etanol |
JP2010115171A (ja) * | 2008-11-14 | 2010-05-27 | Oji Paper Co Ltd | 樹皮原料から糖類を製造する方法 |
JP2010136702A (ja) * | 2008-12-15 | 2010-06-24 | Forestry & Forest Products Research Institute | エタノールの製造方法 |
AU2009336785B2 (en) * | 2008-12-17 | 2014-06-26 | Borregaard As | Lignocellulosic biomass conversion by sulfite pretreatment |
JP2010154805A (ja) * | 2008-12-26 | 2010-07-15 | Shinshu Univ | 水溶性多糖類からバイオエタノールを製造する方法 |
JP5381119B2 (ja) * | 2009-01-23 | 2014-01-08 | 王子ホールディングス株式会社 | 樹皮原料から糖類を製造する方法 |
KR101712509B1 (ko) | 2009-02-11 | 2017-03-07 | 질레코 인코포레이티드 | 바이오매스의 가공처리방법 |
JP5267387B2 (ja) * | 2009-08-28 | 2013-08-21 | 王子ホールディングス株式会社 | 靭皮繊維の製造方法及び靭皮繊維 |
JP5671804B2 (ja) * | 2010-01-27 | 2015-02-18 | 王子ホールディングス株式会社 | エタノールの製造方法 |
CA2800234C (en) * | 2010-03-08 | 2018-08-28 | Forestry And Forest Products Research Institute | Lignin-based enzyme stabilizer |
JP5701632B2 (ja) * | 2011-02-04 | 2015-04-15 | 日本製紙株式会社 | 糖含有組成物 |
JP6086280B2 (ja) * | 2012-06-21 | 2017-03-01 | 月島機械株式会社 | バイオマスの処理方法 |
JP6201099B2 (ja) * | 2013-03-26 | 2017-09-27 | 国立研究開発法人産業技術総合研究所 | 南極産酵母による低温下でのエタノール製造方法 |
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WO2015137467A1 (ja) * | 2014-03-13 | 2015-09-17 | 三菱化学株式会社 | 糖液の処理方法、処理糖液の製造方法、処理糖液、有機化合物の製造方法、および微生物の培養方法 |
EP3656820B1 (en) | 2017-07-21 | 2022-03-02 | Kao Corporation | Asphalt composition, method for producing same and additive for asphalt |
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