CH621822A5 - - Google Patents
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- Publication number
- CH621822A5 CH621822A5 CH1175976A CH1175976A CH621822A5 CH 621822 A5 CH621822 A5 CH 621822A5 CH 1175976 A CH1175976 A CH 1175976A CH 1175976 A CH1175976 A CH 1175976A CH 621822 A5 CH621822 A5 CH 621822A5
- Authority
- CH
- Switzerland
- Prior art keywords
- xylose
- acetic acid
- stage
- solution
- digestion
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 84
- 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 52
- 239000000243 solution Substances 0.000 claims description 47
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 claims description 26
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 claims description 25
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 230000029087 digestion Effects 0.000 claims description 18
- 239000004575 stone Substances 0.000 claims description 18
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 235000011149 sulphuric acid Nutrition 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000007858 starting material Substances 0.000 claims description 6
- 239000000126 substance Substances 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
- 229920005610 lignin Polymers 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
- 239000007787 solid Substances 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
- 229930014626 natural product Natural products 0.000 claims description 4
- 229920001221 xylan Polymers 0.000 claims description 4
- 150000004823 xylans Chemical class 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229960003487 xylose Drugs 0.000 claims 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 8
- 239000011121 hardwood Substances 0.000 claims 4
- 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
- 235000010099 Fagus sylvatica Nutrition 0.000 claims 1
- 229920002488 Hemicellulose Polymers 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 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
- 230000007062 hydrolysis Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 239000002574 poison Substances 0.000 claims 1
- 231100000614 poison Toxicity 0.000 claims 1
- 239000003765 sweetening agent Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 244000060011 Cocos nucifera Species 0.000 description 3
- 235000013162 Cocos nucifera Nutrition 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 235000014571 nuts Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 244000144725 Amygdalus communis Species 0.000 description 1
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 235000020224 almond Nutrition 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 150000004804 polysaccharides Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2545111A DE2545111C3 (de) | 1975-10-08 | 1975-10-08 | Verfahren zum zweistufigen Aufschließen von xylanhaltigen Naturprodukten zwecks Gewinnung von Xylose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH621822A5 true CH621822A5 (enExample) | 1981-02-27 |
Family
ID=5958665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1175976A CH621822A5 (enExample) | 1975-10-08 | 1976-09-16 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4105467A (enExample) |
| JP (1) | JPS5248699A (enExample) |
| AT (1) | AT343686B (enExample) |
| BE (1) | BE847081A (enExample) |
| CH (1) | CH621822A5 (enExample) |
| DE (1) | DE2545111C3 (enExample) |
| FI (1) | FI60033C (enExample) |
| FR (1) | FR2327313A1 (enExample) |
| GB (1) | GB1500478A (enExample) |
| IT (1) | IT1069279B (enExample) |
| SE (1) | SE415276B (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4239906A (en) * | 1979-06-07 | 1980-12-16 | Standard Brands Incorporated | Method for obtaining a purified cellulose product from corn hulls |
| JPS56127601A (en) * | 1980-03-10 | 1981-10-06 | Baiorisaac Center:Kk | Treating method of substance containing cellulose |
| JPS586675A (ja) * | 1981-07-04 | 1983-01-14 | Hitachi Denshi Ltd | 周辺レジストレ−シヨン補正方式 |
| FR2668165A1 (fr) * | 1990-10-23 | 1992-04-24 | Toulouse Inst Nat Polytech | Procede et installation pour preparer un jus concentre de pentoses et/ou hexoses a partir de matieres vegetales riches en hemicelluloses. |
| US7815876B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| US7815741B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| US8546560B2 (en) | 2008-07-16 | 2013-10-01 | Renmatix, Inc. | Solvo-thermal hydrolysis of cellulose |
| CN102239184B (zh) | 2008-07-16 | 2014-07-23 | 瑞恩麦特克斯股份有限公司 | 使用一种或多种超临界流体从生物质萃取糠醛和葡萄糖的方法 |
| RU2597588C2 (ru) | 2010-01-19 | 2016-09-10 | Ренмэтикс, Инк. | Производство сбраживаемых сахаров и лигнина из биомассы, использующее сверхкритические текучие среды |
| IL206678A0 (en) | 2010-06-28 | 2010-12-30 | Hcl Cleantech Ltd | A method for the production of fermentable sugars |
| KR20140039215A (ko) | 2011-05-04 | 2014-04-01 | 렌매틱스, 인코포레이티드. | 목질계 바이오매스로부터의 리그닌 제조 |
| US8801859B2 (en) | 2011-05-04 | 2014-08-12 | Renmatix, Inc. | Self-cleaning apparatus and method for thick slurry pressure control |
| US9617608B2 (en) | 2011-10-10 | 2017-04-11 | Virdia, Inc. | Sugar compositions |
| US8759498B2 (en) | 2011-12-30 | 2014-06-24 | Renmatix, Inc. | Compositions comprising lignin |
| US20130167837A1 (en) | 2011-12-30 | 2013-07-04 | Renmatix, Inc. | Compositions comprising c5 and c6 monosaccharides |
| WO2014070580A1 (en) * | 2012-10-31 | 2014-05-08 | Shell Oil Company | Methods and systems for distributing a slurry catalyst in cellulosic biomass solids |
| CN104755591A (zh) * | 2012-10-31 | 2015-07-01 | 国际壳牌研究有限公司 | 用于在纤维素生物质固体的水热消解过程中加工木质素的方法和系统 |
| CN104736675B (zh) * | 2012-10-31 | 2017-03-08 | 国际壳牌研究有限公司 | 用于在纤维素生物质固体的水热消解过程中加工木质素的方法和系统 |
| WO2014070579A1 (en) | 2012-10-31 | 2014-05-08 | Shell Oil Company | Methods for hydrothermal digestion of cellulosic biomass solids using a glycerol solvent system |
| SG11201701740VA (en) | 2014-09-26 | 2017-04-27 | Renmatix Inc | Cellulose-containing compositions and methods of making same |
| CN112226466A (zh) | 2015-01-07 | 2021-01-15 | 威尔迪亚公司 | 萃取和转化半纤维素糖的方法 |
| BR112017025322A8 (pt) | 2015-05-27 | 2022-08-23 | Virdia Inc | Processos integrados para recuperação de hidrolisato celulósico após hidrólise de polpa de celulose |
| WO2018112639A1 (en) | 2016-12-21 | 2018-06-28 | Creatus Biosciences Inc. | Xylitol producing metschnikowia species |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2697701A (en) * | 1951-02-09 | 1954-12-21 | Weyerhaeuser Timber Co | Fractionation of lignocellulose materials |
| US3579380A (en) * | 1969-12-04 | 1971-05-18 | Sued Chemie Ag | Process for the production of xylose solutions |
| 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
- 1975-10-08 DE DE2545111A patent/DE2545111C3/de not_active Expired
-
1976
- 1976-09-14 FI FI762623A patent/FI60033C/fi not_active IP Right Cessation
- 1976-09-16 CH CH1175976A patent/CH621822A5/de not_active IP Right Cessation
- 1976-09-16 AT AT687276A patent/AT343686B/de not_active IP Right Cessation
- 1976-10-04 US US05/729,231 patent/US4105467A/en not_active Expired - Lifetime
- 1976-10-04 GB GB41052/76A patent/GB1500478A/en not_active Expired
- 1976-10-06 IT IT51598/76A patent/IT1069279B/it active
- 1976-10-06 SE SE7611091A patent/SE415276B/xx unknown
- 1976-10-07 FR FR7630165A patent/FR2327313A1/fr active Granted
- 1976-10-07 JP JP51119891A patent/JPS5248699A/ja active Pending
- 1976-10-08 BE BE171344A patent/BE847081A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA687276A (de) | 1977-10-15 |
| DE2545111B2 (de) | 1979-10-31 |
| GB1500478A (en) | 1978-02-08 |
| FR2327313A1 (fr) | 1977-05-06 |
| AT343686B (de) | 1978-06-12 |
| SE7611091L (sv) | 1977-04-09 |
| IT1069279B (it) | 1985-03-25 |
| JPS5248699A (en) | 1977-04-18 |
| DE2545111A1 (de) | 1977-04-28 |
| US4105467A (en) | 1978-08-08 |
| FR2327313B1 (enExample) | 1981-06-26 |
| BE847081A (fr) | 1977-01-31 |
| FI60033B (fi) | 1981-07-31 |
| DE2545111C3 (de) | 1980-07-17 |
| SE415276B (sv) | 1980-09-22 |
| FI762623A7 (enExample) | 1977-04-09 |
| FI60033C (fi) | 1981-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |