BR9106411A - Processo para branqueamento enzimatico de celuloses - Google Patents
Processo para branqueamento enzimatico de celulosesInfo
- Publication number
- BR9106411A BR9106411A BR919106411A BR9106411A BR9106411A BR 9106411 A BR9106411 A BR 9106411A BR 919106411 A BR919106411 A BR 919106411A BR 9106411 A BR9106411 A BR 9106411A BR 9106411 A BR9106411 A BR 9106411A
- Authority
- BR
- Brazil
- Prior art keywords
- enzymatic
- addition
- cellulosis
- reaction
- bleaching
- Prior art date
Links
- 230000002255 enzymatic effect Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 241000276489 Merlangius merlangus Species 0.000 title 1
- 238000004061 bleaching Methods 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 2
- 235000010980 cellulose Nutrition 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 102000004190 Enzymes Human genes 0.000 abstract 1
- 108090000790 Enzymes Proteins 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 230000002479 lignolytic effect Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 150000003839 salts Chemical class 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
- 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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- 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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
- D21C9/1089—Bleaching ; Apparatus therefor with reducing compounds with dithionites
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
-
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Detergent Compositions (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4008893A DE4008893A1 (de) | 1990-03-20 | 1990-03-20 | Verfahren zum enzymatischen bleichen von zellstoffen |
| PCT/EP1991/000540 WO1991014823A1 (de) | 1990-03-20 | 1991-03-19 | Verfahren zum enzymatischen bleichen von zellstoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9106411A true BR9106411A (pt) | 1993-05-04 |
Family
ID=6402620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR919106411A BR9106411A (pt) | 1990-03-20 | 1991-03-19 | Processo para branqueamento enzimatico de celuloses |
Country Status (13)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4137761A1 (de) * | 1991-05-17 | 1992-11-19 | Call Hans Peter | Verfahren zur delignifizierung von lignocellulosehaltigem material, bleiche und behandlung von abwaessern mittels laccasen mit erweiteter wirksamkeit |
| FI914780A0 (fi) * | 1991-10-10 | 1991-10-10 | Valtion Teknillinen | Foerfarande foer entsymatisk behandling av lignocellulosahaltiga material, i synnerhet cellulosamassor. |
| CA2115881C (en) * | 1993-02-25 | 2000-05-23 | Michael G. Paice | Non-chlorine bleaching of kraft pulp |
| US6103059A (en) * | 1993-06-16 | 2000-08-15 | Lignozym Gmbh | Process for delignification of a lignin containing pulp |
| BE1007272A3 (fr) * | 1993-07-15 | 1995-05-09 | Solvay | Procede pour le blanchiment d'une pate a papier. |
| EP0652321B1 (en) * | 1993-11-04 | 1998-01-21 | Morton International, Inc. | Chemical pulp bleaching |
| DE19632623A1 (de) * | 1996-08-13 | 1998-02-19 | Consortium Elektrochem Ind | Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder ähnlichen Stoffen sowie Verfahren zu seiner Anwendung |
| RU2189412C2 (ru) * | 1996-09-11 | 2002-09-20 | Солвей Интерокс (Сосьете Аноним) | Способ отбеливания бумажной массы |
| DE19651099A1 (de) * | 1996-12-09 | 1998-06-10 | Consortium Elektrochem Ind | Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder ähnlichen Stoffen sowie Verfahren zu seiner Anwendung |
| DE19820947B4 (de) * | 1997-05-12 | 2005-12-01 | Call, Krimhild | Enzymatisches Bleichsystem mit neuen enzymwirkungsverstärkenden Verbindungen zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder Verändern oder Abbau von Kohle sowie Verfahren unter Verwendung des Bleichsystems |
| JP2001515136A (ja) * | 1997-08-14 | 2001-09-18 | 隆司 渡邊 | リグニン解重合のための化学的方法 |
| BR9909644A (pt) | 1998-04-16 | 2000-12-19 | Pulp Paper Res Inst | Processo para oxidar um susbtrato |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3110117C2 (de) * | 1981-03-16 | 1983-09-29 | Adolf 5340 St. Gilgen Basler | Herstellung von Cellulose aus Holz oder anderen lignocellulosehaltigen Pflanzen durch mikrobiellen Abbau der Lignocellulose |
| US4692413A (en) * | 1985-07-15 | 1987-09-08 | Repligen Corporation | Use of rLDM™ 1-6 and other ligninolytic enzymes for the decolorization of E1 effluent |
| US4690895A (en) * | 1985-07-15 | 1987-09-01 | Repligen Corporation | Use of rLDM™ 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp |
| US4687741A (en) * | 1985-07-15 | 1987-08-18 | Repligen Corporation | Novel enzymes which catalyze the degradation and modification of lignin |
| DE3636208A1 (de) * | 1986-10-24 | 1988-05-05 | Call Hans Peter | Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung |
| ZA894239B (en) * | 1988-06-08 | 1990-03-28 | Int Paper Co | Enzymatic delignification of lignocellulosic material |
-
1990
- 1990-03-20 DE DE4008893A patent/DE4008893A1/de active Granted
- 1990-12-22 EP EP90125380A patent/EP0447673B1/de not_active Expired - Lifetime
- 1990-12-22 ES ES90125380T patent/ES2072965T3/es not_active Expired - Lifetime
- 1990-12-22 AT AT90125380T patent/ATE119593T1/de active
- 1990-12-22 DE DE59008655T patent/DE59008655D1/de not_active Expired - Fee Related
- 1990-12-22 DK DK90125380.7T patent/DK0447673T3/da active
-
1991
- 1991-03-19 AU AU75432/91A patent/AU641494B2/en not_active Ceased
- 1991-03-19 CA CA002078345A patent/CA2078345A1/en not_active Abandoned
- 1991-03-19 JP JP91506306A patent/JPH05505857A/ja active Pending
- 1991-03-19 WO PCT/EP1991/000540 patent/WO1991014823A1/de active Application Filing
- 1991-03-19 FI FI924169A patent/FI924169A7/fi not_active Application Discontinuation
- 1991-03-19 HU HU922982A patent/HUT64119A/hu unknown
- 1991-03-19 BR BR919106411A patent/BR9106411A/pt not_active Application Discontinuation
-
1992
- 1992-09-16 NO NO923601A patent/NO180388C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE119593T1 (de) | 1995-03-15 |
| HUT64119A (en) | 1993-11-29 |
| DE59008655D1 (de) | 1995-04-13 |
| FI924169A0 (fi) | 1992-09-17 |
| NO180388B (no) | 1996-12-30 |
| NO923601D0 (no) | 1992-09-16 |
| HU9202982D0 (en) | 1993-01-28 |
| DK0447673T3 (da) | 1995-07-24 |
| JPH05505857A (ja) | 1993-08-26 |
| EP0447673B1 (de) | 1995-03-08 |
| AU641494B2 (en) | 1993-09-23 |
| DE4008893A1 (de) | 1991-09-26 |
| AU7543291A (en) | 1991-10-21 |
| FI924169L (fi) | 1992-09-17 |
| NO923601L (no) | 1992-09-16 |
| NO180388C (no) | 1997-04-09 |
| FI924169A7 (fi) | 1992-09-17 |
| ES2072965T3 (es) | 1995-08-01 |
| CA2078345A1 (en) | 1991-09-21 |
| WO1991014823A1 (de) | 1991-10-03 |
| EP0447673A1 (de) | 1991-09-25 |
| DE4008893C2 (enrdf_load_stackoverflow) | 1992-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
| FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |