SE9604831L - Förfarande för blekning av pappersmassa - Google Patents
Förfarande för blekning av pappersmassaInfo
- Publication number
- SE9604831L SE9604831L SE9604831A SE9604831A SE9604831L SE 9604831 L SE9604831 L SE 9604831L SE 9604831 A SE9604831 A SE 9604831A SE 9604831 A SE9604831 A SE 9604831A SE 9604831 L SE9604831 L SE 9604831L
- Authority
- SE
- Sweden
- Prior art keywords
- bleaching
- typically
- procedure
- degree
- pulp
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 150000002978 peroxides Chemical class 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR9713655-7A BR9713655A (pt) | 1996-12-30 | 1997-12-16 | Coluna de antena |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12083893A | 1993-09-15 | 1993-09-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE9604831D0 SE9604831D0 (sv) | 1996-12-30 |
| SE9604831L true SE9604831L (sv) | 1998-07-01 |
Family
ID=22392837
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9403073A SE9403073L (sv) | 1993-09-15 | 1994-09-14 | Förfarande för blekning av pappersmassa |
| SE9604831A SE9604831L (sv) | 1993-09-15 | 1996-12-30 | Förfarande för blekning av pappersmassa |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9403073A SE9403073L (sv) | 1993-09-15 | 1994-09-14 | Förfarande för blekning av pappersmassa |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA2132057A1 (sv) |
| FI (1) | FI944144A (sv) |
| SE (2) | SE9403073L (sv) |
-
1994
- 1994-09-09 FI FI944144A patent/FI944144A/sv unknown
- 1994-09-14 CA CA002132057A patent/CA2132057A1/en not_active Abandoned
- 1994-09-14 SE SE9403073A patent/SE9403073L/sv not_active Application Discontinuation
-
1996
- 1996-12-30 SE SE9604831A patent/SE9604831L/sv not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE9604831D0 (sv) | 1996-12-30 |
| FI944144A0 (sv) | 1994-09-09 |
| SE9403073L (sv) | 1995-03-16 |
| FI944144A (sv) | 1995-03-16 |
| CA2132057A1 (en) | 1995-03-16 |
| SE9403073D0 (sv) | 1994-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 9604831-9 |