FI115141B - Menetelmä massan jatkuvatoimiseksi keittämiseksi - Google Patents
Menetelmä massan jatkuvatoimiseksi keittämiseksi Download PDFInfo
- Publication number
- FI115141B FI115141B FI952390A FI952390A FI115141B FI 115141 B FI115141 B FI 115141B FI 952390 A FI952390 A FI 952390A FI 952390 A FI952390 A FI 952390A FI 115141 B FI115141 B FI 115141B
- Authority
- FI
- Finland
- Prior art keywords
- digester
- temperature
- pulp
- cooking
- fed
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 30
- 238000009835 boiling Methods 0.000 title 1
- 238000010411 cooking Methods 0.000 claims abstract description 27
- 238000005406 washing Methods 0.000 claims description 15
- 238000004061 bleaching Methods 0.000 claims description 11
- 239000011121 hardwood Substances 0.000 claims description 5
- 239000011122 softwood Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000007844 bleaching agent Substances 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 230000029087 digestion Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 3
- 239000000126 substance Substances 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000004045 organic chlorine compounds Chemical class 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- FMDUVJYVAXFKIH-QKWFRNNBSA-N 2-(diethylamino)-n-(2,6-dimethylphenyl)acetamide;4-[(1r)-1-hydroxy-2-(methylamino)ethyl]benzene-1,2-diol;hydrochloride Chemical compound Cl.CNC[C@H](O)C1=CC=C(O)C(O)=C1.CCN(CC)CC(=O)NC1=C(C)C=CC=C1C FMDUVJYVAXFKIH-QKWFRNNBSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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 (6)
| 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 |
| SE9203462 | 1992-11-18 | ||
| SE9301284 | 1993-04-20 | ||
| 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 |
| SE9300978 | 1993-11-16 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI952390A0 FI952390A0 (fi) | 1995-05-17 |
| FI952390A7 FI952390A7 (fi) | 1995-05-17 |
| FI115141B true FI115141B (fi) | 2005-03-15 |
Family
ID=26661586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI952390A FI115141B (fi) | 1992-11-18 | 1995-05-17 | Menetelmä massan jatkuvatoimiseksi keittämiseksi |
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 (10)
| 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 |
| SE500455C2 (sv) | 1992-11-18 | 1994-06-27 | Kamyr Ab | Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare |
| SE500959C2 (sv) | 1993-02-16 | 1994-10-10 | Kvaerner Pulping Tech | Silanordning i en kontinuerlig kokare |
| SE0004049L (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 |
| SE0004050L (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 |
| US5328564A (en) * | 1990-09-17 | 1994-07-12 | Kamyr, Inc. | Modified digestion of paper pulp followed by ozone bleaching |
| CA2037717C (en) * | 1990-09-17 | 1996-03-05 | Bertil Stromberg | Extended kraft cooking with white liquor added to wash circulation |
| 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 CA CA002149524A patent/CA2149524A1/en not_active Abandoned
- 1993-11-16 AT AT94901114T patent/ATE154080T1/de active
- 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 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 EP EP94901114A patent/EP0670924B1/de not_active Expired - Lifetime
- 1993-11-16 WO PCT/SE1993/000978 patent/WO1994011567A1/en not_active Ceased
- 1993-11-16 AU AU55811/94A patent/AU5581194A/en not_active Abandoned
-
1995
- 1995-05-17 FI FI952390A patent/FI115141B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR9307481A (pt) | 1999-08-24 |
| CA2149524A1 (en) | 1994-05-26 |
| ATE154080T1 (de) | 1997-06-15 |
| DE69311365D1 (de) | 1997-07-10 |
| US5919337A (en) | 1999-07-06 |
| SE501848C2 (sv) | 1995-06-06 |
| SE9301284L (sv) | 1994-05-19 |
| JPH08506146A (ja) | 1996-07-02 |
| EP0670924B1 (de) | 1997-06-04 |
| SE9301284D0 (sv) | 1993-04-20 |
| FI952390A0 (fi) | 1995-05-17 |
| EP0670924A1 (de) | 1995-09-13 |
| WO1994011567A1 (en) | 1994-05-26 |
| JP3217065B2 (ja) | 2001-10-09 |
| AU5581194A (en) | 1994-06-08 |
| FI952390A7 (fi) | 1995-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Ref document number: 115141 Country of ref document: FI |
|
| MD | Opposition filed |
Opponent name: ANDRITZ INC. |
|
| PC | Transfer of assignment of patent |
Owner name: METSO FIBER KARLSTAD AB Free format text: METSO FIBER KARLSTAD AB |
|
| PC | Transfer of assignment of patent |
Owner name: METSO PAPER SWEDEN AKTIEBOLAG Free format text: METSO PAPER SWEDEN AKTIEBOLAG |
|
| MA | Patent expired |