ATE151T1 - Verfahren zur gewinnung von polyalkoholen, insbesondere xylit. - Google Patents
Verfahren zur gewinnung von polyalkoholen, insbesondere xylit.Info
- Publication number
- ATE151T1 ATE151T1 AT79102074T AT79102074T ATE151T1 AT E151 T1 ATE151 T1 AT E151T1 AT 79102074 T AT79102074 T AT 79102074T AT 79102074 T AT79102074 T AT 79102074T AT E151 T1 ATE151 T1 AT E151T1
- Authority
- AT
- Austria
- Prior art keywords
- sugar solution
- solution
- polyalcohol
- exchanger
- ion exchanger
- Prior art date
Links
- 150000005846 sugar alcohols Polymers 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 title abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- 239000002253 acid Substances 0.000 abstract 3
- 238000005984 hydrogenation reaction Methods 0.000 abstract 2
- 238000005342 ion exchange Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 235000010447 xylitol Nutrition 0.000 abstract 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Medicines Containing Plant Substances (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782827477 DE2827477A1 (de) | 1978-06-22 | 1978-06-22 | Verfahren zur gewinnung von polyalkoholen, insbesondere xylit |
| EP79102074A EP0006592B1 (de) | 1978-06-22 | 1979-06-22 | Verfahren zur Gewinnung von Polyalkoholen, insbesondere Xylit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE151T1 true ATE151T1 (de) | 1981-09-15 |
Family
ID=6042497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT79102074T ATE151T1 (de) | 1978-06-22 | 1979-06-22 | Verfahren zur gewinnung von polyalkoholen, insbesondere xylit. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4239922A (de) |
| EP (1) | EP0006592B1 (de) |
| JP (1) | JPS552690A (de) |
| AT (1) | ATE151T1 (de) |
| BR (1) | BR7903751A (de) |
| CA (1) | CA1108649A (de) |
| DE (2) | DE2827477A1 (de) |
| DK (1) | DK262179A (de) |
| FI (1) | FI791940A7 (de) |
| NO (1) | NO792090L (de) |
| ZA (1) | ZA793038B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0301678A (pt) * | 2003-06-10 | 2005-03-22 | Getec Guanabara Quimica Ind S | Processo para a produção de xilose cristalina a partir de bagaço de cana-de-açucar, xilose cristalina de elevada pureza produzida através do referido processo, processo para a produção de xilitol cristalino a partir da xilose e xilitol cristalino de elevada pureza assim obtido |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2917390A (en) * | 1959-12-15 | apel etal | ||
| GB782165A (en) * | 1955-02-04 | 1957-09-04 | Gevaert Photo Prod Nv | Improvements in or relating to photographic films |
| DE1165565B (de) * | 1959-05-11 | 1964-03-19 | Atlas Powder Co | Verfahren zur Reinigung mehrwertiger Alkohole |
| US3558725A (en) * | 1968-02-27 | 1971-01-26 | Eisai Co Ltd | Preparation of xylitol |
| US3627636A (en) * | 1969-10-02 | 1971-12-14 | Hoffmann La Roche | Manufacture of xylitol |
| US3579380A (en) * | 1969-12-04 | 1971-05-18 | Sued Chemie Ag | Process for the production of xylose solutions |
| US3980719A (en) * | 1970-02-09 | 1976-09-14 | Sud-Chemie Ag | Process for obtaining xylitol from natural products containing xylan |
| US3784408A (en) * | 1970-09-16 | 1974-01-08 | Hoffmann La Roche | Process for producing xylose |
| ZA742438B (en) * | 1973-04-25 | 1975-05-28 | Suomen Sokeri Oy | Process for making xylose and xylitol |
| US4066711A (en) * | 1976-03-15 | 1978-01-03 | Suomen Sokeri Osakeyhtio (Finnish Sugar Company) | Method for recovering xylitol |
-
1978
- 1978-06-22 DE DE19782827477 patent/DE2827477A1/de not_active Withdrawn
-
1979
- 1979-06-13 US US06/048,074 patent/US4239922A/en not_active Expired - Lifetime
- 1979-06-13 BR BR7903751A patent/BR7903751A/pt unknown
- 1979-06-18 FI FI791940A patent/FI791940A7/fi not_active Application Discontinuation
- 1979-06-19 ZA ZA793038A patent/ZA793038B/xx unknown
- 1979-06-21 NO NO792090A patent/NO792090L/no unknown
- 1979-06-21 JP JP7762579A patent/JPS552690A/ja active Pending
- 1979-06-21 DK DK262179A patent/DK262179A/da not_active Application Discontinuation
- 1979-06-22 EP EP79102074A patent/EP0006592B1/de not_active Expired
- 1979-06-22 AT AT79102074T patent/ATE151T1/de not_active IP Right Cessation
- 1979-06-22 DE DE7979102074T patent/DE2960630D1/de not_active Expired
- 1979-06-22 CA CA330,433A patent/CA1108649A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2827477A1 (de) | 1980-01-17 |
| BR7903751A (pt) | 1980-02-05 |
| NO792090L (no) | 1979-12-28 |
| FI791940A7 (fi) | 1981-01-01 |
| EP0006592B1 (de) | 1981-08-12 |
| ZA793038B (en) | 1980-07-30 |
| EP0006592A1 (de) | 1980-01-09 |
| CA1108649A (en) | 1981-09-08 |
| US4239922A (en) | 1980-12-16 |
| DE2960630D1 (en) | 1981-11-12 |
| DK262179A (da) | 1979-12-23 |
| JPS552690A (en) | 1980-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |