FI922025A0 - METHOD FOR FRAMSTAELLNING AV CELLULOSAMA. - Google Patents
METHOD FOR FRAMSTAELLNING AV CELLULOSAMA.Info
- Publication number
- FI922025A0 FI922025A0 FI922025A FI922025A FI922025A0 FI 922025 A0 FI922025 A0 FI 922025A0 FI 922025 A FI922025 A FI 922025A FI 922025 A FI922025 A FI 922025A FI 922025 A0 FI922025 A0 FI 922025A0
- Authority
- FI
- Finland
- Prior art keywords
- cellulosama
- framstaellning
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8903710A SE8903710D0 (en) | 1989-11-06 | 1989-11-06 | SET TO MAKE CELLULOUS MASS |
PCT/SE1990/000721 WO1991006700A1 (en) | 1989-11-06 | 1990-11-06 | A method of producing cellulosic pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
FI922025A0 true FI922025A0 (en) | 1992-05-05 |
FI922025A FI922025A (en) | 1992-05-05 |
Family
ID=20377391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI922025A FI922025A (en) | 1989-11-06 | 1992-05-05 | METHOD FOR FRAMSTAELLNING AV CELLULOSAMA. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0500674A1 (en) |
JP (1) | JPH05503965A (en) |
AU (1) | AU638511B2 (en) |
BR (1) | BR9007815A (en) |
CA (1) | CA2073048A1 (en) |
FI (1) | FI922025A (en) |
SE (1) | SE8903710D0 (en) |
WO (1) | WO1991006700A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9002039D0 (en) * | 1990-06-07 | 1990-06-07 | Svenska Traeforskningsinst | SAVE TO PREPARE |
SE0203673D0 (en) * | 2002-12-12 | 2002-12-12 | Skogsind Tekn Foskningsinst | Method of treatment of pulp |
FI120651B (en) * | 2007-04-30 | 2010-01-15 | Linde Ag | A method of reducing energy consumption by grinding a pulp suspension in a paper-making process |
US8282773B2 (en) | 2007-12-14 | 2012-10-09 | Andritz Inc. | Method and system to enhance fiber development by addition of treatment agent during mechanical pulping |
US8293696B2 (en) | 2009-02-06 | 2012-10-23 | Ecolab, Inc. | Alkaline composition comprising a chelant mixture, including HEIDA, and method of producing same |
SE537483C2 (en) * | 2012-03-23 | 2015-05-19 | Valmet Oy | Method and apparatus for cleaning lignocellulosic material during impregnation |
FI127062B (en) * | 2014-11-18 | 2017-10-31 | Upm Kymmene Corp | Method and apparatus for making pulp |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE416481B (en) * | 1977-05-02 | 1981-01-05 | Mo Och Domsjoe Ab | METHOD AND DEVICE FOR TREATMENT OF WOOD TIP FOR REMOVAL OF HEAVY METALS AND RESIN |
GB1581591A (en) * | 1977-05-17 | 1980-12-17 | Hsc Widney Eng Ltd | Stay devices for use in roof hatch or roof ventilator assemblies for vehicles |
-
1989
- 1989-11-06 SE SE8903710A patent/SE8903710D0/en unknown
-
1990
- 1990-11-06 WO PCT/SE1990/000721 patent/WO1991006700A1/en not_active Application Discontinuation
- 1990-11-06 BR BR909007815A patent/BR9007815A/en not_active Application Discontinuation
- 1990-11-06 AU AU67205/90A patent/AU638511B2/en not_active Expired - Fee Related
- 1990-11-06 EP EP19900916835 patent/EP0500674A1/en not_active Withdrawn
- 1990-11-06 JP JP51547690A patent/JPH05503965A/en active Pending
- 1990-11-06 CA CA 2073048 patent/CA2073048A1/en not_active Abandoned
-
1992
- 1992-05-05 FI FI922025A patent/FI922025A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU638511B2 (en) | 1993-07-01 |
WO1991006700A1 (en) | 1991-05-16 |
FI922025A (en) | 1992-05-05 |
JPH05503965A (en) | 1993-06-24 |
CA2073048A1 (en) | 1991-05-07 |
EP0500674A1 (en) | 1992-09-02 |
SE8903710D0 (en) | 1989-11-06 |
BR9007815A (en) | 1992-08-25 |
AU6720590A (en) | 1991-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |