GB603447A - Method and apparatus for the production of pulp from cellulosic material - Google Patents
Method and apparatus for the production of pulp from cellulosic materialInfo
- Publication number
- GB603447A GB603447A GB15025/45A GB1502545A GB603447A GB 603447 A GB603447 A GB 603447A GB 15025/45 A GB15025/45 A GB 15025/45A GB 1502545 A GB1502545 A GB 1502545A GB 603447 A GB603447 A GB 603447A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- supplied
- pressure
- steam
- materials
- 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 14
- 238000000034 method Methods 0.000 title abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 239000012978 lignocellulosic material Substances 0.000 abstract 3
- 239000002023 wood Substances 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 2
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 2
- 239000004291 sulphur dioxide Substances 0.000 abstract 2
- 241000609240 Ambelania acida Species 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 241000208202 Linaceae Species 0.000 abstract 1
- 235000004431 Linum usitatissimum Nutrition 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000000908 ammonium hydroxide Substances 0.000 abstract 1
- 239000010905 bagasse Substances 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 230000002596 correlated effect Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 239000000123 paper Substances 0.000 abstract 1
- 239000011087 paperboard Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 239000010902 straw Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/44—Floors composed of stones, mortar, and reinforcing elements
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
-
- 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
- D21C3/22—Other features of pulping processes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US603447XA | 1942-01-26 | 1942-01-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB603447A true GB603447A (en) | 1948-06-16 |
Family
ID=22028915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB15025/45A Expired GB603447A (en) | 1942-01-26 | 1945-06-13 | Method and apparatus for the production of pulp from cellulosic material |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE475977A (enrdf_load_stackoverflow) |
FR (1) | FR950906A (enrdf_load_stackoverflow) |
GB (1) | GB603447A (enrdf_load_stackoverflow) |
NL (1) | NL67375C (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1047000B (de) * | 1953-09-30 | 1958-12-18 | Aschaffenburger Zellstoffwerke | Verfahren zur Herstellung von Halbzellstoff |
DE1144099B (de) * | 1956-05-04 | 1963-02-21 | Bauer Bros Company | Vorrichtung zum kontinuierlichen Behandeln von faserigem Zellulosematerial |
-
0
- NL NL67375D patent/NL67375C/xx active
- BE BE475977D patent/BE475977A/xx unknown
-
1945
- 1945-06-13 GB GB15025/45A patent/GB603447A/en not_active Expired
-
1947
- 1947-06-28 FR FR950906D patent/FR950906A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1047000B (de) * | 1953-09-30 | 1958-12-18 | Aschaffenburger Zellstoffwerke | Verfahren zur Herstellung von Halbzellstoff |
DE1144099B (de) * | 1956-05-04 | 1963-02-21 | Bauer Bros Company | Vorrichtung zum kontinuierlichen Behandeln von faserigem Zellulosematerial |
Also Published As
Publication number | Publication date |
---|---|
BE475977A (enrdf_load_stackoverflow) | |
FR950906A (fr) | 1949-10-11 |
NL67375C (enrdf_load_stackoverflow) |
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