FI953074A - Menetelmä ja laitteisto massan käsittelemiseksi - Google Patents
Menetelmä ja laitteisto massan käsittelemiseksi Download PDFInfo
- Publication number
- FI953074A FI953074A FI953074A FI953074A FI953074A FI 953074 A FI953074 A FI 953074A FI 953074 A FI953074 A FI 953074A FI 953074 A FI953074 A FI 953074A FI 953074 A FI953074 A FI 953074A
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- treatment
- peroxide
- cooking
- minutes
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract 2
- 238000010411 cooking Methods 0.000 abstract 2
- 150000002978 peroxides Chemical class 0.000 abstract 2
- 239000002655 kraft paper Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 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
- D21C9/16—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)
- Paper (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI953074A FI106216B (fi) | 1995-06-21 | 1995-06-21 | Menetelmä ja laitteisto massan käsittelemiseksi |
SE9602455A SE9602455L (sv) | 1995-06-21 | 1996-06-20 | Förfarande och anordning för behandling av massa |
CA002179700A CA2179700A1 (en) | 1995-06-21 | 1996-06-21 | Method and apparatus for treating pulp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI953074A FI106216B (fi) | 1995-06-21 | 1995-06-21 | Menetelmä ja laitteisto massan käsittelemiseksi |
FI953074 | 1995-06-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI953074A0 FI953074A0 (fi) | 1995-06-21 |
FI953074A true FI953074A (fi) | 1996-12-22 |
FI106216B FI106216B (fi) | 2000-12-15 |
Family
ID=8543655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI953074A FI106216B (fi) | 1995-06-21 | 1995-06-21 | Menetelmä ja laitteisto massan käsittelemiseksi |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA2179700A1 (fi) |
FI (1) | FI106216B (fi) |
SE (1) | SE9602455L (fi) |
-
1995
- 1995-06-21 FI FI953074A patent/FI106216B/fi active
-
1996
- 1996-06-20 SE SE9602455A patent/SE9602455L/xx not_active Application Discontinuation
- 1996-06-21 CA CA002179700A patent/CA2179700A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FI106216B (fi) | 2000-12-15 |
SE9602455D0 (sv) | 1996-06-20 |
SE9602455L (sv) | 1996-12-22 |
CA2179700A1 (en) | 1996-12-22 |
FI953074A0 (fi) | 1995-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: AHLSTROM MACHINERY OY |