DE69311365D1 - Verfahren zum kontinuierlichen zellstoffkochen - Google Patents
Verfahren zum kontinuierlichen zellstoffkochenInfo
- Publication number
- DE69311365D1 DE69311365D1 DE69311365T DE69311365T DE69311365D1 DE 69311365 D1 DE69311365 D1 DE 69311365D1 DE 69311365 T DE69311365 T DE 69311365T DE 69311365 T DE69311365 T DE 69311365T DE 69311365 D1 DE69311365 D1 DE 69311365D1
- Authority
- DE
- Germany
- Prior art keywords
- digester
- cooking
- pct
- fibre material
- sec
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
- D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
-
- 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
- D21C7/00—Digesters
-
- 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
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- General Preparation And Processing Of Foods (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9203462A SE500455C2 (sv) | 1992-11-18 | 1992-11-18 | Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare |
SE9301284A SE501848C2 (sv) | 1992-11-18 | 1993-04-20 | Metod att koka massa kontinuerligt vid konstant temperatur |
PCT/SE1993/000978 WO1994011567A1 (en) | 1992-11-18 | 1993-11-16 | Method of continuously cooking pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69311365D1 true DE69311365D1 (de) | 1997-07-10 |
Family
ID=26661586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69311365T Expired - Lifetime DE69311365D1 (de) | 1992-11-18 | 1993-11-16 | Verfahren zum kontinuierlichen zellstoffkochen |
Country Status (11)
Country | Link |
---|---|
US (1) | US5919337A (de) |
EP (1) | EP0670924B1 (de) |
JP (1) | JP3217065B2 (de) |
AT (1) | ATE154080T1 (de) |
AU (1) | AU5581194A (de) |
BR (1) | BR9307481A (de) |
CA (1) | CA2149524A1 (de) |
DE (1) | DE69311365D1 (de) |
FI (1) | FI115141B (de) |
SE (1) | SE501848C2 (de) |
WO (1) | WO1994011567A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5744500A (en) | 1990-01-03 | 1998-04-28 | Teva Pharmaceutical Industries, Ltd. | Use of R-enantiomer of N-propargyl-1-aminoindan, salts, and compositions thereof |
SE515970C2 (sv) * | 2000-11-03 | 2001-11-05 | Kvaerner Pulping Tech | Kontinuerlig kokning av massa med avdrag av begagnad koklut dels från kokaren, dels från en efterföljande tryckdiffusör |
SE515971C2 (sv) * | 2000-11-03 | 2001-11-05 | Kvaerner Pulping Tech | Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti |
SE517674E8 (sv) * | 2001-05-02 | 2015-10-20 | Metso Paper Sweden Ab | Förfarande för tvättvätsketillförsel till kokningsprocess för cellulosamassa |
SE526432C2 (sv) * | 2002-07-03 | 2005-09-13 | Kvaerner Pulping Tech | Metod och kokare för kontinuerlig kokning av vedråvara till cellulosamassa |
SE533610C2 (sv) * | 2009-03-26 | 2010-11-02 | Metso Fiber Karlstad Ab | Förfarande och anordning för tvätt efter avslutat kok i en kontinuerlig kokare för framställning av cellulosamassa |
FI123023B (fi) * | 2009-09-01 | 2012-10-15 | Andritz Oy | Menetelmä ja laitteisto suovan erottamiseksi |
SE534400C2 (sv) | 2009-12-23 | 2011-08-09 | Metso Paper Sweden Ab | Förfarande och anordning för förbättring av en tvätt efter avslutat kok i en kontinuerlig kokare |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4123318A (en) * | 1976-06-29 | 1978-10-31 | Kamyr, Inc. | Three-vessel treatment system |
US5066362A (en) * | 1987-12-01 | 1991-11-19 | Kamyr, Inc. | Extended delignification in pressure diffusers |
CA2037717C (en) * | 1990-09-17 | 1996-03-05 | Bertil Stromberg | Extended kraft cooking with white liquor added to wash circulation |
US5328564A (en) * | 1990-09-17 | 1994-07-12 | Kamyr, Inc. | Modified digestion of paper pulp followed by ozone bleaching |
US5236554A (en) * | 1991-08-16 | 1993-08-17 | Kamyr, Inc. | Digester having plural screens with means for controlling liquid injection and withdrawal |
-
1993
- 1993-04-20 SE SE9301284A patent/SE501848C2/sv unknown
- 1993-11-16 AT AT94901114T patent/ATE154080T1/de active
- 1993-11-16 BR BR9307481A patent/BR9307481A/pt not_active IP Right Cessation
- 1993-11-16 JP JP51201494A patent/JP3217065B2/ja not_active Expired - Lifetime
- 1993-11-16 US US08/436,341 patent/US5919337A/en not_active Expired - Lifetime
- 1993-11-16 DE DE69311365T patent/DE69311365D1/de not_active Expired - Lifetime
- 1993-11-16 CA CA002149524A patent/CA2149524A1/en not_active Abandoned
- 1993-11-16 AU AU55811/94A patent/AU5581194A/en not_active Abandoned
- 1993-11-16 WO PCT/SE1993/000978 patent/WO1994011567A1/en active IP Right Grant
- 1993-11-16 EP EP94901114A patent/EP0670924B1/de not_active Expired - Lifetime
-
1995
- 1995-05-17 FI FI952390A patent/FI115141B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0670924B1 (de) | 1997-06-04 |
SE9301284D0 (sv) | 1993-04-20 |
SE9301284L (sv) | 1994-05-19 |
FI952390A (fi) | 1995-05-17 |
JPH08506146A (ja) | 1996-07-02 |
SE501848C2 (sv) | 1995-06-06 |
FI115141B (fi) | 2005-03-15 |
FI952390A0 (fi) | 1995-05-17 |
AU5581194A (en) | 1994-06-08 |
EP0670924A1 (de) | 1995-09-13 |
US5919337A (en) | 1999-07-06 |
JP3217065B2 (ja) | 2001-10-09 |
CA2149524A1 (en) | 1994-05-26 |
ATE154080T1 (de) | 1997-06-15 |
WO1994011567A1 (en) | 1994-05-26 |
BR9307481A (pt) | 1999-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: KVAERNER PULPING AB, KARLSTAD, SE |
|
8332 | No legal effect for de |