GB481631A - Process for the decomposition of wood for the production of cellulose - Google Patents
Process for the decomposition of wood for the production of celluloseInfo
- Publication number
- GB481631A GB481631A GB35818/36A GB3581836A GB481631A GB 481631 A GB481631 A GB 481631A GB 35818/36 A GB35818/36 A GB 35818/36A GB 3581836 A GB3581836 A GB 3581836A GB 481631 A GB481631 A GB 481631A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steam
- treatment
- wood
- air
- mixture
- 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
- 239000002023 wood Substances 0.000 title abstract 8
- 229920002678 cellulose Polymers 0.000 title abstract 2
- 239000001913 cellulose Substances 0.000 title abstract 2
- 238000000354 decomposition reaction Methods 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000003513 alkali Substances 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 4
- 239000001301 oxygen Substances 0.000 abstract 4
- 229910052760 oxygen Inorganic materials 0.000 abstract 4
- 230000001590 oxidative effect Effects 0.000 abstract 3
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 abstract 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 240000000731 Fagus sylvatica Species 0.000 abstract 1
- 235000010099 Fagus sylvatica Nutrition 0.000 abstract 1
- 241000218657 Picea Species 0.000 abstract 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract 1
- 235000011613 Pinus brutia Nutrition 0.000 abstract 1
- 241000018646 Pinus brutia Species 0.000 abstract 1
- 241000183024 Populus tremula Species 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000001298 alcohols Chemical class 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 230000003292 diminished effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 1
- 150000002576 ketones Chemical class 0.000 abstract 1
- 229920005610 lignin Polymers 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 150000002989 phenols Chemical class 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000010025 steaming Methods 0.000 abstract 1
- 239000000126 substance 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT481631X | 1935-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB481631A true GB481631A (en) | 1938-03-15 |
Family
ID=3674948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35818/36A Expired GB481631A (en) | 1935-12-31 | 1936-12-31 | Process for the decomposition of wood for the production of cellulose |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE419220A (enrdf_load_stackoverflow) |
| GB (1) | GB481631A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2686120A (en) * | 1952-01-14 | 1954-08-10 | Ontario Paper Co Ltd | Alkaline pulping of lignocellulose in the presence of oxygen to produce pulp, vanillin, and other oxidation products of lignin substance |
| FR2343855A1 (fr) * | 1976-03-12 | 1977-10-07 | Union Carbide Corp | Procede destine a reduire en pate chimique des copeaux de bois contenant de l'eau |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD154451A3 (de) * | 1980-05-12 | 1982-03-24 | Mihalne Atomyr | Verfahren zur herstellung von zellstoff aus einjahrespflanzen,insbesondere stroh |
-
0
- BE BE419220D patent/BE419220A/xx unknown
-
1936
- 1936-12-31 GB GB35818/36A patent/GB481631A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2686120A (en) * | 1952-01-14 | 1954-08-10 | Ontario Paper Co Ltd | Alkaline pulping of lignocellulose in the presence of oxygen to produce pulp, vanillin, and other oxidation products of lignin substance |
| FR2343855A1 (fr) * | 1976-03-12 | 1977-10-07 | Union Carbide Corp | Procede destine a reduire en pate chimique des copeaux de bois contenant de l'eau |
Also Published As
| Publication number | Publication date |
|---|---|
| BE419220A (enrdf_load_stackoverflow) |
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