FI289374A - - Google Patents
Info
- Publication number
- FI289374A FI289374A FI2893/74A FI289374A FI289374A FI 289374 A FI289374 A FI 289374A FI 2893/74 A FI2893/74 A FI 2893/74A FI 289374 A FI289374 A FI 289374A FI 289374 A FI289374 A FI 289374A
- Authority
- FI
- Finland
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
- D21C9/1073—Bleaching ; Apparatus therefor with O3
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Magnetic Ceramics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO3859/73A NO131996C (fi) | 1973-10-04 | 1973-10-04 | |
| NO385973 | 1973-10-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI289374A true FI289374A (fi) | 1975-04-05 |
| FI61926B FI61926B (fi) | 1982-06-30 |
| FI61926C FI61926C (fi) | 1982-10-11 |
Family
ID=19879892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2893/74A FI61926C (fi) | 1973-10-04 | 1974-10-03 | Foerfarande vid ozonbehandling av pappersmassa |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2444475C2 (fi) |
| FI (1) | FI61926C (fi) |
| NO (1) | NO131996C (fi) |
| SE (1) | SE7412367L (fi) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI67412C (fi) * | 1977-04-27 | 1985-03-11 | Myrens Verksted As | Foerfarande foer behandling av cellulosahaltig massa |
| US4216054A (en) | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
| NO142091C (no) * | 1977-10-17 | 1980-06-25 | Myrens Verksted As | Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse. |
| FR2609067B1 (fr) * | 1986-12-31 | 1990-06-15 | Beghin Say Sa | Procede pour le traitement a l'ozone d'une pate cellulosique |
| WO1994008087A1 (en) * | 1992-10-01 | 1994-04-14 | Union Camp Patent Holding, Inc. | Improved bleaching of high consistency lignocellulosic pulp |
| BR9508224A (pt) * | 1994-07-14 | 1997-10-28 | Union Camp Patent Holding | Processo tendo seletividade aumentada para alvejamento de polpa lignocelulósica alvejada |
| GB2382592A (en) * | 2001-11-30 | 2003-06-04 | Sca Hygiene Prod Gmbh | Use of ozone to enhance the wet strength of fibrous cellulosic material |
| FI119062B (fi) | 2006-12-28 | 2008-07-15 | Upm Kymmene Corp | Menetelmä mekaanisen massan valmistamiseksi |
| USD774295S1 (en) | 2014-10-13 | 2016-12-20 | Patrick Garms | Sock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE503451C (de) * | 1927-10-04 | 1930-07-23 | Paul Erkens | Verfahren und Vorrichtung zum Bleichen von Faserstoffen |
-
1973
- 1973-10-04 NO NO3859/73A patent/NO131996C/no unknown
-
1974
- 1974-09-18 DE DE2444475A patent/DE2444475C2/de not_active Expired
- 1974-10-01 SE SE7412367A patent/SE7412367L/xx unknown
- 1974-10-03 FI FI2893/74A patent/FI61926C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| FI61926C (fi) | 1982-10-11 |
| NO385973L (fi) | 1975-04-28 |
| DE2444475C2 (de) | 1983-02-10 |
| NO131996B (fi) | 1975-05-26 |
| DE2444475A1 (de) | 1975-04-17 |
| NO131996C (fi) | 1975-09-03 |
| FI61926B (fi) | 1982-06-30 |
| SE7412367L (fi) | 1975-04-07 |