GB734216A - Process for the treatment of ligno-cellulosic fibres - Google Patents
Process for the treatment of ligno-cellulosic fibresInfo
- Publication number
- GB734216A GB734216A GB2946/53A GB294653A GB734216A GB 734216 A GB734216 A GB 734216A GB 2946/53 A GB2946/53 A GB 2946/53A GB 294653 A GB294653 A GB 294653A GB 734216 A GB734216 A GB 734216A
- Authority
- GB
- United Kingdom
- Prior art keywords
- treatment
- sulphur dioxide
- materials
- mass
- acid
- 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
- 238000011282 treatment Methods 0.000 title abstract 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- 239000000463 material Substances 0.000 abstract 5
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 5
- 239000004291 sulphur dioxide Substances 0.000 abstract 5
- 241000609240 Ambelania acida Species 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000010905 bagasse Substances 0.000 abstract 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 2
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 2
- 239000010902 straw Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 244000166124 Eucalyptus globulus Species 0.000 abstract 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 238000002419 base digestion Methods 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000012978 lignocellulosic material Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 abstract 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
-
- 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
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1005824X | 1952-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB734216A true GB734216A (en) | 1955-07-27 |
Family
ID=9565170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2946/53A Expired GB734216A (en) | 1952-02-15 | 1953-02-02 | Process for the treatment of ligno-cellulosic fibres |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1005824B (enrdf_load_stackoverflow) |
| FR (1) | FR1052900A (enrdf_load_stackoverflow) |
| GB (1) | GB734216A (enrdf_load_stackoverflow) |
| NL (1) | NL87584C (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998049390A1 (en) * | 1997-04-28 | 1998-11-05 | Almeida Oliveira Baptista Joao | A wood delignification chemical process using ammonium magnesium bisulphite as the active reagent |
| RU2233927C1 (ru) * | 2003-07-29 | 2004-08-10 | Закрытое акционерное общество "Картонтара" | Способ получения волокнистого полуфабриката высокого выхода |
| WO2013164598A1 (en) * | 2012-05-02 | 2013-11-07 | Innovia Films Limited | Process |
| EP3901367A1 (en) * | 2020-04-20 | 2021-10-27 | Scitech-service OY | Method for prehydrolysis of lignocellulosic material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA766073B (en) * | 1975-10-24 | 1977-09-28 | D Econimidis | Production of pulp |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE124556C (enrdf_load_stackoverflow) * | ||||
| DE237081C (enrdf_load_stackoverflow) * | 1909-12-13 | |||
| DE395119C (de) * | 1923-10-11 | 1924-05-14 | Carl G Schwalbe Dr | Verfahren zur Vorbehandlung von pflanzlichen Rohstoffen zwecks Erleichterung nachfolgender saurer oder alkalischer Aufschliessung |
| DE484805C (de) * | 1924-11-02 | 1929-11-11 | Leopold Enge | Verfahren zum Weichmachen von Holz oder aehnlichen pflanzlichen Faserstoffen |
| DE744868C (de) * | 1940-03-22 | 1944-01-27 | Dr Georg Jayme | Verfahren zur Gewinnung von pentosanarmen Zellstoffen aus Pflanzenstoffen |
| BE447209A (enrdf_load_stackoverflow) * | 1941-12-22 |
-
0
- NL NL87584D patent/NL87584C/xx active
-
1952
- 1952-02-15 FR FR1052900D patent/FR1052900A/fr not_active Expired
-
1953
- 1953-02-02 GB GB2946/53A patent/GB734216A/en not_active Expired
- 1953-02-13 DE DES32188A patent/DE1005824B/de active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998049390A1 (en) * | 1997-04-28 | 1998-11-05 | Almeida Oliveira Baptista Joao | A wood delignification chemical process using ammonium magnesium bisulphite as the active reagent |
| RU2233927C1 (ru) * | 2003-07-29 | 2004-08-10 | Закрытое акционерное общество "Картонтара" | Способ получения волокнистого полуфабриката высокого выхода |
| WO2013164598A1 (en) * | 2012-05-02 | 2013-11-07 | Innovia Films Limited | Process |
| CN104321347A (zh) * | 2012-05-02 | 2015-01-28 | 伊诺维亚薄膜有限公司 | 方法 |
| JP2015517582A (ja) * | 2012-05-02 | 2015-06-22 | イノヴィア フィルムズ リミテッド | 方法 |
| US9493581B2 (en) | 2012-05-02 | 2016-11-15 | Innovia Films Limited | Process for the manufacture of viscose |
| EP3901367A1 (en) * | 2020-04-20 | 2021-10-27 | Scitech-service OY | Method for prehydrolysis of lignocellulosic material |
| WO2021214387A1 (en) * | 2020-04-20 | 2021-10-28 | Scitech-Service Oy | Method for prehydrolysis of lignocellulosic material |
Also Published As
| Publication number | Publication date |
|---|---|
| NL87584C (enrdf_load_stackoverflow) | |
| DE1005824B (de) | 1957-04-04 |
| FR1052900A (fr) | 1954-01-28 |
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