FI20077130A - Förfarande för behandling av kemiskt blekt massa - Google Patents
Förfarande för behandling av kemiskt blekt massa Download PDFInfo
- Publication number
- FI20077130A FI20077130A FI20077130A FI20077130A FI20077130A FI 20077130 A FI20077130 A FI 20077130A FI 20077130 A FI20077130 A FI 20077130A FI 20077130 A FI20077130 A FI 20077130A FI 20077130 A FI20077130 A FI 20077130A
- Authority
- FI
- Finland
- Prior art keywords
- treatment
- bleached pulp
- chemically bleached
- chemically
- pulp
- 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
- 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
- D21C9/1047—Conserving the bleached pulp
-
- 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
-
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0500434A SE0500434L (sv) | 2005-02-24 | 2005-02-24 | Behandling av slutblekt massa med i ett milt alkaliskt syrgassteg för att reducera eftergulning |
PCT/SE2006/000112 WO2006091140A1 (en) | 2005-02-24 | 2006-01-26 | Method for treatment of bleached chemical pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
FI20077130A true FI20077130A (sv) | 2007-09-20 |
Family
ID=36889322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20077130A FI20077130A (sv) | 2005-02-24 | 2007-09-20 | Förfarande för behandling av kemiskt blekt massa |
Country Status (4)
Country | Link |
---|---|
BR (1) | BRPI0608555A2 (sv) |
FI (1) | FI20077130A (sv) |
SE (1) | SE0500434L (sv) |
WO (1) | WO2006091140A1 (sv) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA632280A (en) * | 1958-07-02 | 1961-12-05 | Kimberly-Clark Corporation | Manufacture of bleached cellulosic products resistant to brightness reversion |
GB1062734A (en) * | 1963-03-21 | 1967-03-22 | Mo Och Domsjoe Ab | Improvements in or relating to bleaching cellulose pulp |
JP2004052115A (ja) * | 2002-07-16 | 2004-02-19 | Nippon Paper Industries Co Ltd | ケミカルパルプの退色性改善方法 |
-
2005
- 2005-02-24 SE SE0500434A patent/SE0500434L/sv not_active IP Right Cessation
-
2006
- 2006-01-26 WO PCT/SE2006/000112 patent/WO2006091140A1/en active Application Filing
- 2006-01-26 BR BRPI0608555-5A patent/BRPI0608555A2/pt not_active Application Discontinuation
-
2007
- 2007-09-20 FI FI20077130A patent/FI20077130A/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE528066C2 (sv) | 2006-08-22 |
BRPI0608555A2 (pt) | 2010-01-12 |
SE0500434L (sv) | 2006-08-22 |
WO2006091140A1 (en) | 2006-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |