CH620473A5 - - Google Patents
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- Publication number
- CH620473A5 CH620473A5 CH1311376A CH1311376A CH620473A5 CH 620473 A5 CH620473 A5 CH 620473A5 CH 1311376 A CH1311376 A CH 1311376A CH 1311376 A CH1311376 A CH 1311376A CH 620473 A5 CH620473 A5 CH 620473A5
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- stage
- xylose
- extraction
- alkali
- Prior art date
Links
- 238000000605 extraction Methods 0.000 claims description 35
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 claims description 34
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 19
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 claims description 17
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 claims description 16
- 238000010306 acid treatment Methods 0.000 claims description 15
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 13
- 239000003513 alkali Substances 0.000 claims description 13
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000007858 starting material Substances 0.000 claims description 11
- 230000029087 digestion Effects 0.000 claims description 6
- 229930014626 natural product Natural products 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 229920001221 xylan Polymers 0.000 claims description 6
- 150000004823 xylans Chemical class 0.000 claims description 6
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims description 5
- 150000007524 organic acids Chemical class 0.000 claims description 5
- 235000005985 organic acids Nutrition 0.000 claims description 5
- 235000010447 xylitol Nutrition 0.000 claims description 5
- 239000000811 xylitol Substances 0.000 claims description 5
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 5
- 229960002675 xylitol Drugs 0.000 claims description 5
- 241000609240 Ambelania acida Species 0.000 claims description 4
- 239000010905 bagasse Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 229920005610 lignin Polymers 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000000184 acid digestion Methods 0.000 claims description 3
- 239000011121 hardwood Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 235000010099 Fagus sylvatica Nutrition 0.000 claims description 2
- 229920002488 Hemicellulose Polymers 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 8
- 229960003487 xylose Drugs 0.000 claims 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims 3
- 241001070941 Castanea Species 0.000 claims 1
- 235000014036 Castanea Nutrition 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 241001070947 Fagus Species 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- 238000010411 cooking Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 235000013305 food Nutrition 0.000 claims 1
- 235000003599 food sweetener Nutrition 0.000 claims 1
- 238000005984 hydrogenation reaction Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000003765 sweetening agent Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 22
- 239000000243 solution Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005406 washing Methods 0.000 description 6
- 244000075850 Avena orientalis Species 0.000 description 5
- 235000007319 Avena orientalis Nutrition 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 235000014571 nuts Nutrition 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- 235000007558 Avena sp Nutrition 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 244000082988 Secale cereale Species 0.000 description 2
- 235000007238 Secale cereale Nutrition 0.000 description 2
- 240000000359 Triticum dicoccon Species 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000144725 Amygdalus communis Species 0.000 description 1
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- 244000273256 Phragmites communis Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 241000209504 Poaceae Species 0.000 description 1
- 235000016976 Quercus macrolepis Nutrition 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 241000005602 Trisetum flavescens Species 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 235000020224 almond Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K13/00—Sugars not otherwise provided for in this class
- C13K13/002—Xylose
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2553647A DE2553647C3 (de) | 1975-11-28 | 1975-11-28 | Verfahren zum zweistufigen Aufschließen der Hemicellulosen von xylanhaltigen Naturprodukten zwecks Gewinnung von Xylose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH620473A5 true CH620473A5 (da) | 1980-11-28 |
Family
ID=5962974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1311376A CH620473A5 (da) | 1975-11-28 | 1976-10-15 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4137395A (da) |
| JP (1) | JPS5266641A (da) |
| AT (1) | AT356141B (da) |
| BE (1) | BE848803A (da) |
| CH (1) | CH620473A5 (da) |
| DE (1) | DE2553647C3 (da) |
| FI (1) | FI62141C (da) |
| FR (1) | FR2357646A1 (da) |
| GB (1) | GB1533340A (da) |
| IT (1) | IT1080525B (da) |
| SE (1) | SE434519B (da) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4484012A (en) * | 1984-02-29 | 1984-11-20 | General Foods Corporation | Production of mannitol and higher manno-saccharide alcohols |
| WO1991018000A1 (en) * | 1990-05-22 | 1991-11-28 | Center For Innovative Technology | Isolation of oligosaccharides from biomass |
| US5395455A (en) * | 1992-03-10 | 1995-03-07 | Energy, Mines And Resources - Canada | Process for the production of anhydrosugars from lignin and cellulose containing biomass by pyrolysis |
| US6388069B1 (en) | 1999-02-10 | 2002-05-14 | Eastman Chemical Company | Corn fiber for the production of advanced chemicals and materials:arabinoxylan and arabinoxylan derivatives made therefrom |
| CA2438984C (en) * | 2001-02-28 | 2009-10-20 | Iogen Energy Corporation | Method of processing lignocellulosic feedstock for enhanced xylose and ethanol production |
| US7812153B2 (en) * | 2004-03-11 | 2010-10-12 | Rayonier Products And Financial Services Company | Process for manufacturing high purity xylose |
| WO2013156041A1 (en) | 2012-04-18 | 2013-10-24 | Carl Zeiss Smt Gmbh | A microlithographic apparatus and a method of changing an optical wavefront in an objective of such an apparatus |
| CN106912964A (zh) | 2015-12-25 | 2017-07-04 | 山东龙力生物科技股份有限公司 | 可溶性膳食纤维及其制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2174651A (en) * | 1937-05-17 | 1939-10-03 | Hercules Powder Co Ltd | Hydrogenation process |
| US2642462A (en) * | 1948-06-14 | 1953-06-16 | Atlas Powder Co | Process for continuous hydrogenation of sugars |
| US2650941A (en) * | 1950-04-06 | 1953-09-01 | Shell Dev | Conversion of carbohydrates to polyhydric alcohols |
| FR1482056A (fr) * | 1966-03-10 | 1967-05-26 | Melle Usines Sa | Procédé d'hydrogénation |
| CH507179A (de) * | 1968-07-26 | 1971-05-15 | Hoffmann La Roche | Verfahren zur Herstellung von Xylit |
| IT1025544B (it) * | 1973-11-23 | 1978-08-30 | Sued Chemie Ag | Processo per disgregare legno di latifoglie |
| IT1025347B (it) * | 1973-11-23 | 1978-08-10 | Sued Chemie Ag | Processo per la disgregazione di gusci di avena |
| US3990904A (en) * | 1976-05-11 | 1976-11-09 | Sud-Chemie Ag | Method for the preparation of xylose solutions |
-
1975
- 1975-11-28 DE DE2553647A patent/DE2553647C3/de not_active Expired
-
1976
- 1976-10-15 CH CH1311376A patent/CH620473A5/de not_active IP Right Cessation
- 1976-10-27 FI FI763058A patent/FI62141C/fi not_active IP Right Cessation
- 1976-11-22 GB GB48560/76A patent/GB1533340A/en not_active Expired
- 1976-11-22 US US05/744,210 patent/US4137395A/en not_active Expired - Lifetime
- 1976-11-22 SE SE7613037A patent/SE434519B/xx unknown
- 1976-11-26 IT IT52361/76A patent/IT1080525B/it active
- 1976-11-26 FR FR7635705A patent/FR2357646A1/fr active Granted
- 1976-11-26 BE BE172749A patent/BE848803A/xx not_active IP Right Cessation
- 1976-11-26 JP JP51141384A patent/JPS5266641A/ja active Pending
- 1976-11-26 AT AT878576A patent/AT356141B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1080525B (it) | 1985-05-16 |
| ATA878576A (de) | 1979-09-15 |
| FI763058A (da) | 1977-05-29 |
| FI62141C (fi) | 1982-11-10 |
| FR2357646B3 (da) | 1980-10-10 |
| DE2553647A1 (de) | 1977-06-02 |
| US4137395A (en) | 1979-01-30 |
| JPS5266641A (en) | 1977-06-02 |
| GB1533340A (en) | 1978-11-22 |
| FR2357646A1 (fr) | 1978-02-03 |
| AT356141B (de) | 1980-04-10 |
| DE2553647C3 (de) | 1978-11-02 |
| FI62141B (fi) | 1982-07-30 |
| BE848803A (fr) | 1977-03-16 |
| SE7613037L (sv) | 1977-05-29 |
| SE434519B (sv) | 1984-07-30 |
| DE2553647B2 (de) | 1978-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |