SE9101587L - Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit - Google Patents
Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfitInfo
- Publication number
- SE9101587L SE9101587L SE9101587A SE9101587A SE9101587L SE 9101587 L SE9101587 L SE 9101587L SE 9101587 A SE9101587 A SE 9101587A SE 9101587 A SE9101587 A SE 9101587A SE 9101587 L SE9101587 L SE 9101587L
- Authority
- SE
- Sweden
- Prior art keywords
- impregnating
- sulphite
- borhydride
- preparation
- solution containing
- Prior art date
Links
Classifications
-
- 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)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9101587A SE468644B (sv) | 1991-05-24 | 1991-05-24 | Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit |
NZ24286892A NZ242868A (en) | 1991-05-24 | 1992-05-22 | Production of chemithermomechanical pulp involving a preheating of impregnated chips, the impregnating composition comprising borohydride and sulphite and being slightly acid (ph 5-7); impregnating liquid therefor |
CA002109513A CA2109513A1 (en) | 1991-05-24 | 1992-05-22 | A method for the manufacture of chemithermomechanical pulp |
PCT/SE1992/000348 WO1992020855A1 (en) | 1991-05-24 | 1992-05-22 | A method for the manufacture of chemithermomechanical pulp |
AU18824/92A AU1882492A (en) | 1991-05-24 | 1992-05-22 | A method for the manufacture of chemithermomechanical pulp |
FI935205A FI935205A (fi) | 1991-05-24 | 1993-11-23 | Foerfarande foer framstaellning av kemitermomekanisk massa |
NO934229A NO934229L (no) | 1991-05-24 | 1993-11-23 | Fremgangsmaate for fremstilling av kjemi-termomekanisk masse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9101587A SE468644B (sv) | 1991-05-24 | 1991-05-24 | Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9101587D0 SE9101587D0 (sv) | 1991-05-24 |
SE9101587L true SE9101587L (sv) | 1992-11-25 |
SE468644B SE468644B (sv) | 1993-02-22 |
Family
ID=20382840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9101587A SE468644B (sv) | 1991-05-24 | 1991-05-24 | Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit |
Country Status (7)
Country | Link |
---|---|
AU (1) | AU1882492A (sv) |
CA (1) | CA2109513A1 (sv) |
FI (1) | FI935205A (sv) |
NO (1) | NO934229L (sv) |
NZ (1) | NZ242868A (sv) |
SE (1) | SE468644B (sv) |
WO (1) | WO1992020855A1 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU4271596A (en) * | 1995-12-19 | 1997-07-14 | Kvaerner Hymac Inc. | Process for treating refiner pulp |
SE525872C2 (sv) * | 2002-09-06 | 2005-05-17 | Stora Enso Ab | Metod att tillverka mekanisk massa med reducerad energikonsumtion |
FI121114B (sv) | 2007-05-04 | 2010-07-15 | Kemira Oyj | Förfarande för framställning av ditionit |
EP2348154A1 (de) * | 2010-01-22 | 2011-07-27 | Andritz AG | Verfahren zur Herstellung von Holzstoff |
EP2924166A1 (de) * | 2014-03-25 | 2015-09-30 | Basf Se | Verfahren zur Herstellung von gebleichtem Holzfaserstoff |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2615874B1 (fr) * | 1987-05-25 | 1992-02-21 | Atochem | Procede de preparation de pates chimicothermomecaniques |
-
1991
- 1991-05-24 SE SE9101587A patent/SE468644B/sv not_active IP Right Cessation
-
1992
- 1992-05-22 NZ NZ24286892A patent/NZ242868A/en unknown
- 1992-05-22 WO PCT/SE1992/000348 patent/WO1992020855A1/en active Application Filing
- 1992-05-22 AU AU18824/92A patent/AU1882492A/en not_active Abandoned
- 1992-05-22 CA CA002109513A patent/CA2109513A1/en not_active Abandoned
-
1993
- 1993-11-23 FI FI935205A patent/FI935205A/fi unknown
- 1993-11-23 NO NO934229A patent/NO934229L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NZ242868A (en) | 1994-11-25 |
NO934229D0 (no) | 1993-11-23 |
NO934229L (no) | 1993-11-23 |
SE9101587D0 (sv) | 1991-05-24 |
CA2109513A1 (en) | 1992-11-25 |
SE468644B (sv) | 1993-02-22 |
AU1882492A (en) | 1992-12-30 |
WO1992020855A1 (en) | 1992-11-26 |
FI935205A0 (fi) | 1993-11-23 |
FI935205A (fi) | 1993-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |