FI950200A0 - Menetelmä massan valkaisemiseksi - Google Patents
Menetelmä massan valkaisemiseksiInfo
- Publication number
- FI950200A0 FI950200A0 FI950200A FI950200A FI950200A0 FI 950200 A0 FI950200 A0 FI 950200A0 FI 950200 A FI950200 A FI 950200A FI 950200 A FI950200 A FI 950200A FI 950200 A0 FI950200 A0 FI 950200A0
- Authority
- FI
- Finland
- Prior art keywords
- bleaching pulp
- bleaching
- 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
- D21C9/1057—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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI950200A FI950200A (fi) | 1994-03-16 | 1995-01-17 | Menetelmä massan valkaisemiseksi |
CA002144677A CA2144677A1 (en) | 1994-03-16 | 1995-03-15 | Method of tcf or ecf bleaching of cellulose pulp |
SE9500927A SE9500927L (sv) | 1994-03-16 | 1995-03-16 | Förfarande för tcf- eller efc-blekning av massa |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI941229A FI98839B (fi) | 1994-03-16 | 1994-03-16 | Menetelmä massan valkaisemiseksi |
FI944348A FI944348A (fi) | 1994-09-19 | 1994-09-19 | Menetelmä kraft-massan valkaisemiseksi |
FI950200A FI950200A (fi) | 1994-03-16 | 1995-01-17 | Menetelmä massan valkaisemiseksi |
Publications (2)
Publication Number | Publication Date |
---|---|
FI950200A0 true FI950200A0 (fi) | 1995-01-17 |
FI950200A FI950200A (fi) | 1995-09-17 |
Family
ID=27241603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI950200A FI950200A (fi) | 1994-03-16 | 1995-01-17 | Menetelmä massan valkaisemiseksi |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA2144677A1 (fi) |
FI (1) | FI950200A (fi) |
SE (1) | SE9500927L (fi) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE538752C2 (en) * | 2014-11-21 | 2016-11-08 | Innventia Ab | Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp |
-
1995
- 1995-01-17 FI FI950200A patent/FI950200A/fi unknown
- 1995-03-15 CA CA002144677A patent/CA2144677A1/en not_active Abandoned
- 1995-03-16 SE SE9500927A patent/SE9500927L/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE9500927A0 (sv) | 1995-09-17 |
SE9500927D0 (sv) | 1995-03-16 |
CA2144677A1 (en) | 1995-09-17 |
FI950200A (fi) | 1995-09-17 |
SE9500927L (sv) | 1995-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: AHLSTROM MACHINERY OY |