SE353749B - - Google Patents
Info
- Publication number
- SE353749B SE353749B SE02732/70A SE273270A SE353749B SE 353749 B SE353749 B SE 353749B SE 02732/70 A SE02732/70 A SE 02732/70A SE 273270 A SE273270 A SE 273270A SE 353749 B SE353749 B SE 353749B
- Authority
- SE
- Sweden
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/08—Alkali cellulose
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE02732/70A SE353749B (ru) | 1970-03-02 | 1970-03-02 | |
| FI583/71A FI55531C (fi) | 1970-03-02 | 1971-02-26 | Foerfarande foer delignifiering av cellulosahaltigt material genom behandling med alkali och syre tillsammans med magnesiumsalter och komplexbildare haerfoer |
| US119369A US3701712A (en) | 1970-03-02 | 1971-02-26 | Process for treating cellulosic materials with alkali and oxygen in the presence of complex magnesium salts |
| ZA711271A ZA711271B (en) | 1970-03-02 | 1971-02-26 | Process for treating cellulosic materials with alkali and oxygen in the presence of complex magnesium salts |
| FR7106969A FR2084031A5 (ru) | 1970-03-02 | 1971-03-01 | |
| NO758/71A NO133594C (ru) | 1970-03-02 | 1971-03-01 | |
| DE2109542A DE2109542C3 (de) | 1970-03-02 | 1971-03-01 | Verwendung ran Aminopolycarbonsäure oder eines Alkalisalzes derselben als Komplexbildner bei der Behandlung cellulosischer Materialien |
| JP46010410A JPS5022601B1 (ru) | 1970-03-02 | 1971-03-02 | |
| AT178371A AT311169B (de) | 1970-03-02 | 1971-03-02 | Verfahren zum Delignifizieren von Zellulosematerialien |
| BR1287/71*[A BR7101287D0 (pt) | 1970-03-02 | 1971-03-02 | Processo aperfeicoado para tratar materiais celulosicos e alcali em presenca de oxigenio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE02732/70A SE353749B (ru) | 1970-03-02 | 1970-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE353749B true SE353749B (ru) | 1973-02-12 |
Family
ID=20260555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE02732/70A SE353749B (ru) | 1970-03-02 | 1970-03-02 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3701712A (ru) |
| JP (1) | JPS5022601B1 (ru) |
| AT (1) | AT311169B (ru) |
| BR (1) | BR7101287D0 (ru) |
| DE (1) | DE2109542C3 (ru) |
| FI (1) | FI55531C (ru) |
| FR (1) | FR2084031A5 (ru) |
| NO (1) | NO133594C (ru) |
| SE (1) | SE353749B (ru) |
| ZA (1) | ZA711271B (ru) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027081B2 (ru) * | 1971-11-10 | 1975-09-05 | ||
| US4045279A (en) * | 1972-01-17 | 1977-08-30 | Toyo Pulp Co., Ltd. | Process for the manufacture of pulp using sodium carbonate and oxygen |
| US4089737A (en) * | 1974-02-18 | 1978-05-16 | Toyo Pulp Company, Ltd. | Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein |
| SE393138B (sv) * | 1974-03-14 | 1977-05-02 | Mo Och Domsjoe Ab | Forfarande for blekning av cellulosa med en syre innehallande gas i nervaro av natriumbikarbonat |
| US4087318A (en) * | 1974-03-14 | 1978-05-02 | Mo Och Domsjo Aktiebolag | Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound |
| US4338158A (en) * | 1976-04-09 | 1982-07-06 | Weyerhaeuser Company | Pulping in the presence of a protector |
| US4172006A (en) * | 1976-08-26 | 1979-10-23 | Weyerhaeuser Company | Method of delignifying wood chips with oxygen by adding cooking liquor under pressure |
| CA1079457A (en) * | 1976-09-13 | 1980-06-17 | Robert C. Eckert | Manganic ion bleaching process |
| US4197168A (en) * | 1978-06-07 | 1980-04-08 | Scm Corporation | Recovery of anthraquinone from tall oil |
| US4594130A (en) * | 1978-11-27 | 1986-06-10 | Chang Pei Ching | Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst |
| FR2457338A1 (fr) * | 1979-05-25 | 1980-12-19 | Interox | Procede pour la protection des matieres cellulosiques au cours de leurs traitements par des solutions alcalines |
| US5770010A (en) * | 1995-04-20 | 1998-06-23 | R-J Holding Company | Pulping process employing nascent oxygen |
| US20020129911A1 (en) * | 2000-10-16 | 2002-09-19 | Marcoccia Bruno S. | Process and configuration for providing external upflow/internal downflow in a continuous digester |
| WO2005047599A2 (en) * | 2003-11-08 | 2005-05-26 | Lally Thomas J | Method for manufacturing fire-retardant cellulose-based materials |
| WO2012034087A1 (en) * | 2010-09-10 | 2012-03-15 | Synthetic Genomics, Inc. | Solubilization of coal or lignocellulose biomass |
| US20130233340A1 (en) * | 2012-03-07 | 2013-09-12 | Paul Sapan | Flavored Function Specific Toothpicks |
| KR20210136010A (ko) * | 2019-01-31 | 2021-11-16 | 오르가노퓨얼 스웨덴 에이비 | 산화된 목재 생성물을 생산하는 공정 |
-
1970
- 1970-03-02 SE SE02732/70A patent/SE353749B/xx unknown
-
1971
- 1971-02-26 US US119369A patent/US3701712A/en not_active Expired - Lifetime
- 1971-02-26 FI FI583/71A patent/FI55531C/fi active
- 1971-02-26 ZA ZA711271A patent/ZA711271B/xx unknown
- 1971-03-01 DE DE2109542A patent/DE2109542C3/de not_active Expired
- 1971-03-01 NO NO758/71A patent/NO133594C/no unknown
- 1971-03-01 FR FR7106969A patent/FR2084031A5/fr not_active Expired
- 1971-03-02 AT AT178371A patent/AT311169B/de not_active IP Right Cessation
- 1971-03-02 JP JP46010410A patent/JPS5022601B1/ja active Pending
- 1971-03-02 BR BR1287/71*[A patent/BR7101287D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA711271B (en) | 1971-11-24 |
| DE2109542A1 (de) | 1971-09-16 |
| US3701712A (en) | 1972-10-31 |
| JPS5022601B1 (ru) | 1975-08-01 |
| NO133594B (ru) | 1976-02-16 |
| NO133594C (ru) | 1976-05-26 |
| FI55531C (fi) | 1979-08-10 |
| DE2109542B2 (de) | 1973-11-08 |
| BR7101287D0 (pt) | 1973-06-07 |
| AT311169B (de) | 1973-11-12 |
| FR2084031A5 (ru) | 1971-12-17 |
| DE2109542C3 (de) | 1974-06-12 |
| FI55531B (fi) | 1979-04-30 |