GB922684A - Improvements in or relating to the extraction of xylose from vegetable material - Google Patents
Improvements in or relating to the extraction of xylose from vegetable materialInfo
- Publication number
- GB922684A GB922684A GB1762661A GB1762661A GB922684A GB 922684 A GB922684 A GB 922684A GB 1762661 A GB1762661 A GB 1762661A GB 1762661 A GB1762661 A GB 1762661A GB 922684 A GB922684 A GB 922684A
- Authority
- GB
- United Kingdom
- Prior art keywords
- xylose
- solution
- pressed
- vegetable material
- extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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)
- Saccharide Compounds (AREA)
- Compounds Of Unknown Constitution (AREA)
Abstract
In the production of xylose, vegetable material containing hemicelluloses, e.g. fir chips, beechwood chips, chestnut wood residue after tannin extraction, bagane, is pressed to reduce its moisture content to below 45%, and is then subjected in a closed p vennel, e.g. a continuous digester, to the action of no more sulphur dioxide solution than it can completely absorb, the treatment being effected at 60 DEG to 130 DEG C., for from 1 to 6 hours, whreafter the material is pressed to yield a solution of high xylose concentration from which xylose may be crystallized. The pressed material is washed with water or dilute xylose solution from a second wash and pressed again to obtain a liquid to which sulphur dioxide may be added to prepare a solution for treating a fresh batch of vegetable material.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1029860 | 1960-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB922684A true GB922684A (en) | 1963-04-03 |
Family
ID=11134026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1762661A Expired GB922684A (en) | 1960-06-09 | 1961-05-15 | Improvements in or relating to the extraction of xylose from vegetable material |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH405261A (en) |
| GB (1) | GB922684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2328450A1 (en) * | 1973-06-05 | 1975-01-02 | Waldhof Lignin Chemie | Pure crystalline xylose prodn. from wood - by hydrolysis with sulphur dioxide soln. under pressure |
-
1961
- 1961-05-15 GB GB1762661A patent/GB922684A/en not_active Expired
- 1961-06-02 CH CH648861A patent/CH405261A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2328450A1 (en) * | 1973-06-05 | 1975-01-02 | Waldhof Lignin Chemie | Pure crystalline xylose prodn. from wood - by hydrolysis with sulphur dioxide soln. under pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CH405261A (en) | 1966-01-15 |
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