FI860328A - Foerfarande foer behandling av cellulosamassa. - Google Patents
Foerfarande foer behandling av cellulosamassa. Download PDFInfo
- Publication number
- FI860328A FI860328A FI860328A FI860328A FI860328A FI 860328 A FI860328 A FI 860328A FI 860328 A FI860328 A FI 860328A FI 860328 A FI860328 A FI 860328A FI 860328 A FI860328 A FI 860328A
- Authority
- FI
- Finland
- Prior art keywords
- cellulosamassa
- foerfarande foer
- foer behandling
- behandling
- foerfarande
- Prior art date
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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8500342 | 1985-01-24 | ||
SE8500342A SE452896B (sv) | 1985-01-24 | 1985-01-24 | Forfarande for behandling av cellulosamassor |
Publications (4)
Publication Number | Publication Date |
---|---|
FI860328A0 FI860328A0 (fi) | 1986-01-23 |
FI860328A true FI860328A (fi) | 1986-07-25 |
FI78326B FI78326B (fi) | 1989-03-31 |
FI78326C FI78326C (fi) | 1989-07-10 |
Family
ID=20358888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI860328A FI78326C (fi) | 1985-01-24 | 1986-01-23 | Foerfarande foer behandling av cellulosamassa. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS61201094A (fi) |
BR (1) | BR8600268A (fi) |
CH (1) | CH668788A5 (fi) |
DE (1) | DE3601808A1 (fi) |
FI (1) | FI78326C (fi) |
FR (1) | FR2576331B1 (fi) |
NO (1) | NO860249L (fi) |
SE (1) | SE452896B (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE460202B (sv) * | 1987-03-13 | 1989-09-18 | Aga Ab | Saett vid behandling av ett material med en gas i en vaetska |
CN110670400B (zh) * | 2019-09-25 | 2020-11-27 | 刘澄 | 一种用于卫生巾艾绒芯片立式蒸煮釜 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE126265C (fi) * | ||||
SE390549C (sv) * | 1973-12-20 | 1986-04-14 | Ahlstroem Oy | Sett att bleka cellulosahaltigt material med syre eller fritt syre innehallande gas i alkalisk miljo |
JPS5249306A (en) * | 1975-10-20 | 1977-04-20 | Toyo Pulp Co Ltd | Process for bleaching pulp under normal pressure with air bubble |
JPS5299302A (en) * | 1976-02-13 | 1977-08-20 | Toyo Pulp Co Ltd | Process for separating lignin from cellulose fiber |
SE462919B (sv) * | 1979-05-11 | 1990-09-17 | Sunds Defibrator Ind Ab | Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre |
-
1985
- 1985-01-24 SE SE8500342A patent/SE452896B/sv not_active IP Right Cessation
-
1986
- 1986-01-21 CH CH218/86A patent/CH668788A5/de not_active IP Right Cessation
- 1986-01-22 DE DE19863601808 patent/DE3601808A1/de active Granted
- 1986-01-23 FI FI860328A patent/FI78326C/fi not_active IP Right Cessation
- 1986-01-23 JP JP61012930A patent/JPS61201094A/ja active Pending
- 1986-01-23 NO NO860249A patent/NO860249L/no unknown
- 1986-01-23 BR BR8600268A patent/BR8600268A/pt unknown
- 1986-01-24 FR FR8601014A patent/FR2576331B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI860328A0 (fi) | 1986-01-23 |
FI78326B (fi) | 1989-03-31 |
BR8600268A (pt) | 1986-10-07 |
DE3601808A1 (de) | 1986-07-24 |
DE3601808C2 (fi) | 1988-12-08 |
FR2576331B1 (fr) | 1988-06-17 |
FR2576331A1 (fr) | 1986-07-25 |
SE8500342L (sv) | 1986-07-25 |
NO860249L (no) | 1986-07-25 |
SE8500342D0 (sv) | 1985-01-24 |
SE452896B (sv) | 1987-12-21 |
JPS61201094A (ja) | 1986-09-05 |
FI78326C (fi) | 1989-07-10 |
CH668788A5 (de) | 1989-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: AGA AKTIEBOLAG |