FI941229A0 - Menetelmä massan valkaisemiseksi - Google Patents
Menetelmä massan valkaisemiseksiInfo
- Publication number
- FI941229A0 FI941229A0 FI941229A FI941229A FI941229A0 FI 941229 A0 FI941229 A0 FI 941229A0 FI 941229 A FI941229 A FI 941229A FI 941229 A FI941229 A FI 941229A FI 941229 A0 FI941229 A0 FI 941229A0
- Authority
- FI
- Finland
- Prior art keywords
- bleaching process
- pulp bleaching
- pulp
- bleaching
- 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
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI941229A FI98839B (fi) | 1994-03-16 | 1994-03-16 | Menetelmä massan valkaisemiseksi |
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 |
SE9500926A SE511743C3 (sv) | 1994-03-16 | 1995-03-16 | Ozonblekning vid medelkoncentration och hoeg temperatur |
SE9500927A SE9500927A0 (sv) | 1994-03-16 | 1995-03-16 | Förfarande för tcf- eller efc-blekning av massa |
CA002144825A CA2144825A1 (en) | 1994-03-16 | 1995-03-16 | Method of bleaching cellulose pulp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI941229A FI98839B (fi) | 1994-03-16 | 1994-03-16 | Menetelmä massan valkaisemiseksi |
FI941229 | 1994-03-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI941229A0 true FI941229A0 (fi) | 1994-03-16 |
FI941229A FI941229A (fi) | 1995-09-17 |
FI98839B FI98839B (fi) | 1997-05-15 |
Family
ID=8540324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI941229A FI98839B (fi) | 1994-03-16 | 1994-03-16 | Menetelmä massan valkaisemiseksi |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA2144825A1 (fi) |
FI (1) | FI98839B (fi) |
SE (1) | SE511743C3 (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI105701B (fi) | 1995-10-20 | 2000-09-29 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan käsittelemiseksi |
CN113897813B (zh) * | 2021-09-17 | 2022-10-04 | 华南理工大学 | 一种臭氧短序漂白桉木板皮浆的方法 |
-
1994
- 1994-03-16 FI FI941229A patent/FI98839B/fi active
-
1995
- 1995-03-16 SE SE9500926A patent/SE511743C3/sv not_active IP Right Cessation
- 1995-03-16 CA CA002144825A patent/CA2144825A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
SE9500926D0 (sv) | 1995-03-16 |
CA2144825A1 (en) | 1995-09-17 |
SE511743C3 (sv) | 2000-01-10 |
FI941229A (fi) | 1995-09-17 |
FI98839B (fi) | 1997-05-15 |
SE9500926L (sv) | 1995-09-17 |
SE511743C2 (sv) | 1999-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: AHLSTROM MACHINERY OY |
|
BB | Publication of examined application |