SE369746B - - Google Patents
Info
- Publication number
- SE369746B SE369746B SE17087/70A SE1708770A SE369746B SE 369746 B SE369746 B SE 369746B SE 17087/70 A SE17087/70 A SE 17087/70A SE 1708770 A SE1708770 A SE 1708770A SE 369746 B SE369746 B SE 369746B
- Authority
- SE
- Sweden
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA70450 | 1969-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE369746B true SE369746B (fr) | 1974-09-16 |
Family
ID=4086085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE17087/70A SE369746B (fr) | 1969-12-19 | 1970-12-16 |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT302013B (fr) |
| CA (1) | CA897361A (fr) |
| DE (1) | DE2061526C3 (fr) |
| FI (1) | FI49994C (fr) |
| FR (1) | FR2071947B1 (fr) |
| GB (1) | GB1342580A (fr) |
| NO (1) | NO129262B (fr) |
| SE (1) | SE369746B (fr) |
| SU (1) | SU366622A3 (fr) |
| ZA (1) | ZA708076B (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2416297A1 (fr) * | 1978-01-31 | 1979-08-31 | Europeen Cellulose | Procede anti-polluant de blanchiment de pate a papier |
| FR2432574A1 (fr) * | 1978-08-01 | 1980-02-29 | Europeen Cellulose | Procede de blanchiment de pate a papier |
| FI67241B (fi) * | 1981-06-10 | 1984-10-31 | Aga Ab | Saett foer blekning av cellulosahaltiga material |
| BR8109039A (pt) * | 1981-09-04 | 1983-09-06 | Weyerhaeuser Co | Tratamento de polpa com oxigenio |
| NZ237019A (en) * | 1990-02-19 | 1992-11-25 | Amcor Ltd | Bleaching paper pulp by initially treating with oxygen and/or hydrogen peroxide and subsequently treating with a bleaching agent without intervening washing steps |
| FR2670513B1 (fr) * | 1990-12-18 | 1993-02-19 | Centre Tech Ind Papier | Procede de blanchiment des pates papetieres chimiques par traitement a l'oxygene en deux stades. |
| SE9401628L (sv) * | 1994-05-10 | 1995-11-11 | Stora Kopparbergs Bergslags Ab | Förfarande vid syrgasdelignifiering |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1310248A (fr) * | 1963-03-06 | |||
| FR1404605A (fr) * | 1964-05-22 | 1965-07-02 | Air Liquide | Perfectionnement à la délignification des pâtes chimiques de cellulose |
| SE334286B (fr) * | 1968-12-05 | 1971-04-19 | Mo Och Domsjoe Ab |
-
1969
- 1969-12-19 CA CA897361A patent/CA897361A/en not_active Expired
-
1970
- 1970-11-30 ZA ZA708076*A patent/ZA708076B/xx unknown
- 1970-12-07 FI FI703285A patent/FI49994C/fi active
- 1970-12-10 NO NO04748/70A patent/NO129262B/no unknown
- 1970-12-14 DE DE2061526A patent/DE2061526C3/de not_active Expired
- 1970-12-16 SE SE17087/70A patent/SE369746B/xx unknown
- 1970-12-18 GB GB6027070A patent/GB1342580A/en not_active Expired
- 1970-12-18 FR FR7045905A patent/FR2071947B1/fr not_active Expired
- 1970-12-18 SU SU1601806A patent/SU366622A3/ru active
- 1970-12-18 AT AT1142270A patent/AT302013B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO129262B (fr) | 1974-03-18 |
| GB1342580A (en) | 1974-01-03 |
| SU366622A3 (fr) | 1973-01-16 |
| ZA708076B (en) | 1972-07-26 |
| FR2071947A1 (fr) | 1971-09-24 |
| FR2071947B1 (fr) | 1974-04-26 |
| FI49994B (fr) | 1975-07-31 |
| AT302013B (de) | 1972-09-25 |
| CA897361A (en) | 1972-04-11 |
| FI49994C (fi) | 1975-11-10 |
| DE2061526A1 (de) | 1971-06-24 |
| DE2061526B2 (fr) | 1974-09-19 |
| DE2061526C3 (de) | 1975-06-05 |