BE1007272A3 - Procede pour le blanchiment d'une pate a papier. - Google Patents
Procede pour le blanchiment d'une pate a papier. Download PDFInfo
- Publication number
- BE1007272A3 BE1007272A3 BE9300745A BE9300745A BE1007272A3 BE 1007272 A3 BE1007272 A3 BE 1007272A3 BE 9300745 A BE9300745 A BE 9300745A BE 9300745 A BE9300745 A BE 9300745A BE 1007272 A3 BE1007272 A3 BE 1007272A3
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- dry
- sequence
- content
- stage
- Prior art date
Links
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
- D21C9/147—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
- 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9300745A BE1007272A3 (fr) | 1993-07-15 | 1993-07-15 | Procede pour le blanchiment d'une pate a papier. |
CA002127582A CA2127582A1 (fr) | 1993-07-15 | 1994-07-07 | Procede pour le blanchiment d'une pate a papier |
EP94202003A EP0634520A1 (fr) | 1993-07-15 | 1994-07-11 | Procédé pour le blanchiment d'une pâte à papier |
NZ260982A NZ260982A (en) | 1993-07-15 | 1994-07-12 | Bleaching paper pulp using oxygen, an enzyme, a treatment selected from peroxide, sequestrant and ozone; no chlorine-containing reactants are used |
AU67431/94A AU682363B2 (en) | 1993-07-15 | 1994-07-13 | Process for bleaching a paper pulp |
ZA945110A ZA945110B (en) | 1993-07-15 | 1994-07-13 | Process for bleaching a paper pulp |
NO942651A NO942651L (no) | 1993-07-15 | 1994-07-14 | Fremgangsmåte for bleking av papirmasse |
BR9402833A BR9402833A (pt) | 1993-07-15 | 1994-07-15 | Processo para o branqueamento de uma pasta de papel e aplicação do mesmo |
JP6163768A JPH0748792A (ja) | 1993-07-15 | 1994-07-15 | ペーパーパルプの漂白方法 |
FI943388A FI943388A (fi) | 1993-07-15 | 1994-07-15 | Menetelmä paperimassan valkaisemiseksi |
YU45394A YU45394A (sh) | 1993-07-15 | 1994-07-15 | Postupak za beljenje papirne mase |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9300745A BE1007272A3 (fr) | 1993-07-15 | 1993-07-15 | Procede pour le blanchiment d'une pate a papier. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE1007272A3 true BE1007272A3 (fr) | 1995-05-09 |
Family
ID=3887196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE9300745A BE1007272A3 (fr) | 1993-07-15 | 1993-07-15 | Procede pour le blanchiment d'une pate a papier. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0634520A1 (no) |
JP (1) | JPH0748792A (no) |
AU (1) | AU682363B2 (no) |
BE (1) | BE1007272A3 (no) |
BR (1) | BR9402833A (no) |
CA (1) | CA2127582A1 (no) |
FI (1) | FI943388A (no) |
NO (1) | NO942651L (no) |
NZ (1) | NZ260982A (no) |
YU (1) | YU45394A (no) |
ZA (1) | ZA945110B (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3610686B2 (ja) * | 1996-07-31 | 2005-01-19 | 王子製紙株式会社 | 印刷用塗被紙の製造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386888A2 (en) * | 1989-02-10 | 1990-09-12 | ICI Canada Inc. | Oxygen delignification and enzyme treatment |
EP0447673A1 (de) * | 1990-03-20 | 1991-09-25 | LIGNOZYM GESELLSCHAFT ZUR HERSTELLUNG UND ZUM VERTRIEB VON ENZYMEN mbH | Verfahren zum enzymatischen Bleichen von Zellstoffen |
WO1992003540A1 (en) * | 1990-08-24 | 1992-03-05 | Novo Nordisk A/S | Enzymes with xylanolytic activity |
EP0512978A1 (de) * | 1991-05-02 | 1992-11-11 | VOEST-ALPINE Industrieanlagenbau GmbH | Verfahren zum Bleichen von xylan- und lignocellulosehältigen Materialien |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK30991D0 (da) * | 1991-02-22 | 1991-02-22 | Novo Nordisk As | Hidtil ukendte enzymer |
-
1993
- 1993-07-15 BE BE9300745A patent/BE1007272A3/fr not_active IP Right Cessation
-
1994
- 1994-07-07 CA CA002127582A patent/CA2127582A1/fr not_active Abandoned
- 1994-07-11 EP EP94202003A patent/EP0634520A1/fr not_active Withdrawn
- 1994-07-12 NZ NZ260982A patent/NZ260982A/en unknown
- 1994-07-13 AU AU67431/94A patent/AU682363B2/en not_active Ceased
- 1994-07-13 ZA ZA945110A patent/ZA945110B/xx unknown
- 1994-07-14 NO NO942651A patent/NO942651L/no unknown
- 1994-07-15 BR BR9402833A patent/BR9402833A/pt not_active Application Discontinuation
- 1994-07-15 YU YU45394A patent/YU45394A/sh unknown
- 1994-07-15 FI FI943388A patent/FI943388A/fi not_active Application Discontinuation
- 1994-07-15 JP JP6163768A patent/JPH0748792A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386888A2 (en) * | 1989-02-10 | 1990-09-12 | ICI Canada Inc. | Oxygen delignification and enzyme treatment |
EP0447673A1 (de) * | 1990-03-20 | 1991-09-25 | LIGNOZYM GESELLSCHAFT ZUR HERSTELLUNG UND ZUM VERTRIEB VON ENZYMEN mbH | Verfahren zum enzymatischen Bleichen von Zellstoffen |
WO1992003540A1 (en) * | 1990-08-24 | 1992-03-05 | Novo Nordisk A/S | Enzymes with xylanolytic activity |
EP0512978A1 (de) * | 1991-05-02 | 1992-11-11 | VOEST-ALPINE Industrieanlagenbau GmbH | Verfahren zum Bleichen von xylan- und lignocellulosehältigen Materialien |
Also Published As
Publication number | Publication date |
---|---|
CA2127582A1 (fr) | 1995-01-16 |
EP0634520A1 (fr) | 1995-01-18 |
FI943388A (fi) | 1995-01-16 |
JPH0748792A (ja) | 1995-02-21 |
AU6743194A (en) | 1995-01-27 |
AU682363B2 (en) | 1997-10-02 |
NZ260982A (en) | 1994-12-22 |
NO942651D0 (no) | 1994-07-14 |
ZA945110B (en) | 1995-02-23 |
YU45394A (sh) | 1996-10-18 |
NO942651L (no) | 1995-01-16 |
BR9402833A (pt) | 1995-04-04 |
FI943388A0 (fi) | 1994-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE1006057A3 (fr) | Procede pour la delignification d'une pate a papier chimique. | |
BE1006056A3 (fr) | Procede pour le blanchiment d'une pate a papier chimique. | |
BE1007651A3 (fr) | Procede pour le blanchiment d'une pate a papier chimique. | |
EP0578303B1 (fr) | Procédé pour la délignification d'une pâte à papier chimique | |
BE1004674A3 (fr) | Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft. | |
BE1007272A3 (fr) | Procede pour le blanchiment d'une pate a papier. | |
BE1006881A3 (fr) | Procede pour la delignification d'une pate a papier chimique. | |
BE1007700A3 (fr) | Procede pour le blanchiment d'une pate a papier chimique. | |
EP0535741B1 (fr) | Procédé pour l'amélioration de la sélectivité de la délignification d'une pâte à papier chimique | |
BE1007757A3 (fr) | Procede pour le blanchiment d'une pate a papier chimique. | |
EP0587822B1 (fr) | Procede pour blanchiment et la delignification de pates a papier chimiques | |
EP0190723A1 (fr) | Procédé pour l'amélioration des propriétés mécaniques d'une pâte à papier chimique ou semi-chimique de bagasse | |
BE1005800A3 (fr) | Procede pour la delignification et le blanchiment d'une pate a papier chimique. | |
CA2079730A1 (fr) | Procede pour l'amelioration de la selectivite de la delignification d'une pate a papier chimique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: S.A. SOLVAY Effective date: 19980731 |