JPS57121689A - Bleaching of cellulose pulp - Google Patents
Bleaching of cellulose pulpInfo
- Publication number
- JPS57121689A JPS57121689A JP56202386A JP20238681A JPS57121689A JP S57121689 A JPS57121689 A JP S57121689A JP 56202386 A JP56202386 A JP 56202386A JP 20238681 A JP20238681 A JP 20238681A JP S57121689 A JPS57121689 A JP S57121689A
- Authority
- JP
- Japan
- Prior art keywords
- bleaching
- cellulose pulp
- pulp
- cellulose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004061 bleaching Methods 0.000 title 1
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 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
- D21C9/1005—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)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8008874A SE445122B (sv) | 1980-12-17 | 1980-12-17 | Forfarande for delignifiering av cellulosamassa i nervaro av kvevedioxid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57121689A true JPS57121689A (en) | 1982-07-29 |
| JPS6350466B2 JPS6350466B2 (enrdf_load_stackoverflow) | 1988-10-07 |
Family
ID=20342493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56202386A Granted JPS57121689A (en) | 1980-12-17 | 1981-12-14 | Bleaching of cellulose pulp |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS57121689A (enrdf_load_stackoverflow) |
| AU (1) | AU548046B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1159203A (enrdf_load_stackoverflow) |
| FI (1) | FI73017C (enrdf_load_stackoverflow) |
| FR (1) | FR2496138A1 (enrdf_load_stackoverflow) |
| NO (1) | NO158953C (enrdf_load_stackoverflow) |
| NZ (1) | NZ198925A (enrdf_load_stackoverflow) |
| SE (1) | SE445122B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE434283B (sv) * | 1982-12-01 | 1984-07-16 | Mo Och Domsjoe Ab | Forfarande for delignifiering av cellulosamassa med kveveoxider och syrgas |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1070909A (en) * | 1976-05-04 | 1980-02-05 | Canadian Industries Limited | Nitrogen dioxide-oxygen delignification |
-
1980
- 1980-12-17 SE SE8008874A patent/SE445122B/sv not_active IP Right Cessation
-
1981
- 1981-11-10 NZ NZ198925A patent/NZ198925A/en unknown
- 1981-11-23 AU AU77738/81A patent/AU548046B2/en not_active Ceased
- 1981-12-09 FI FI813954A patent/FI73017C/fi not_active IP Right Cessation
- 1981-12-14 JP JP56202386A patent/JPS57121689A/ja active Granted
- 1981-12-14 CA CA000392232A patent/CA1159203A/en not_active Expired
- 1981-12-16 FR FR8123482A patent/FR2496138A1/fr active Granted
- 1981-12-16 NO NO814309A patent/NO158953C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO158953C (no) | 1988-11-16 |
| FR2496138B1 (enrdf_load_stackoverflow) | 1983-12-02 |
| SE445122B (sv) | 1986-06-02 |
| AU548046B2 (en) | 1985-11-21 |
| FI73017B (fi) | 1987-04-30 |
| NO814309L (no) | 1982-06-18 |
| FI73017C (fi) | 1987-08-10 |
| AU7773881A (en) | 1982-06-24 |
| FI813954L (fi) | 1982-06-18 |
| JPS6350466B2 (enrdf_load_stackoverflow) | 1988-10-07 |
| NO158953B (no) | 1988-08-08 |
| FR2496138A1 (fr) | 1982-06-18 |
| CA1159203A (en) | 1983-12-27 |
| NZ198925A (en) | 1984-09-28 |
| SE8008874L (sv) | 1982-06-18 |
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