GB480252A - Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from wood and other highly lignified material - Google Patents
Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from wood and other highly lignified materialInfo
- Publication number
- GB480252A GB480252A GB22530/36A GB2253036A GB480252A GB 480252 A GB480252 A GB 480252A GB 22530/36 A GB22530/36 A GB 22530/36A GB 2253036 A GB2253036 A GB 2253036A GB 480252 A GB480252 A GB 480252A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wood
- alkali
- chlorine
- tower
- towers
- 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
- 239000000463 material Substances 0.000 title abstract 9
- 239000002023 wood Substances 0.000 title abstract 7
- 238000000605 extraction Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 9
- 239000003513 alkali Substances 0.000 abstract 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 7
- 229910052801 chlorine Inorganic materials 0.000 abstract 7
- 239000000460 chlorine Substances 0.000 abstract 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 3
- 238000005660 chlorination reaction Methods 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 239000010875 treated wood Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22529/36A GB480170A (en) | 1936-08-15 | 1936-08-15 | Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from vegetable material |
| GB2061/37A GB489302A (en) | 1936-08-15 | 1937-01-23 | Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from vegetable material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB480252A true GB480252A (en) | 1938-02-15 |
Family
ID=32095162
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22530/36A Expired GB480252A (en) | 1936-08-15 | 1936-08-15 | Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from wood and other highly lignified material |
| GB22529/36A Expired GB480170A (en) | 1936-08-15 | 1936-08-15 | Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from vegetable material |
| GB2061/37A Expired GB489302A (en) | 1936-08-15 | 1937-01-23 | Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from vegetable material |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22529/36A Expired GB480170A (en) | 1936-08-15 | 1936-08-15 | Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from vegetable material |
| GB2061/37A Expired GB489302A (en) | 1936-08-15 | 1937-01-23 | Improvements in or relating to processes and apparatus for the extraction of cellulosic fibres from vegetable material |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2263903A (forum.php) |
| BE (1) | BE423106A (forum.php) |
| FR (1) | FR825509A (forum.php) |
| GB (3) | GB480252A (forum.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607680A (en) * | 1947-02-17 | 1952-08-19 | Buckeye Cotton Oil Company | Apparatus and method for processing vegetable fibers |
| US2668110A (en) * | 1948-06-18 | 1954-02-02 | Spencer | Method for fiber liberation in cotton stalks and the pulp |
| US2675311A (en) * | 1948-08-09 | 1954-04-13 | John W Natwick | Paper pulp process and apparatus |
| US3016088A (en) * | 1954-09-07 | 1962-01-09 | Bauer Bros Co | Rapid cycle digester |
| FR1132120A (fr) * | 1954-10-04 | 1957-03-05 | Mo Och Domsjoe Ab | Perfectionnements apportés au blanchiment de matières fibreuses contenant de la cellulose |
| US2996421A (en) * | 1957-12-18 | 1961-08-15 | Sprout Waldron & Co Inc | Pulp manufacture |
| US5172867A (en) * | 1991-09-09 | 1992-12-22 | Kamyr, Inc. | Utilization of a paper pulp digester as a structural support |
-
1936
- 1936-08-15 GB GB22530/36A patent/GB480252A/en not_active Expired
- 1936-08-15 GB GB22529/36A patent/GB480170A/en not_active Expired
-
1937
- 1937-01-23 GB GB2061/37A patent/GB489302A/en not_active Expired
- 1937-07-16 US US153993A patent/US2263903A/en not_active Expired - Lifetime
- 1937-07-16 US US153995A patent/US2178266A/en not_active Expired - Lifetime
- 1937-08-11 BE BE423106D patent/BE423106A/xx unknown
- 1937-08-12 FR FR825509D patent/FR825509A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR825509A (fr) | 1938-03-04 |
| US2178266A (en) | 1939-10-31 |
| GB480170A (en) | 1938-02-15 |
| US2263903A (en) | 1941-11-25 |
| GB489302A (en) | 1938-07-25 |
| BE423106A (forum.php) | 1937-09-30 |
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