SE522415C2 - Förfarande och kokerisystem för framställning av cellulosamassa - Google Patents
Förfarande och kokerisystem för framställning av cellulosamassaInfo
- Publication number
- SE522415C2 SE522415C2 SE0201679A SE0201679A SE522415C2 SE 522415 C2 SE522415 C2 SE 522415C2 SE 0201679 A SE0201679 A SE 0201679A SE 0201679 A SE0201679 A SE 0201679A SE 522415 C2 SE522415 C2 SE 522415C2
- Authority
- SE
- Sweden
- Prior art keywords
- raw material
- hardwood
- softwood
- cooking
- ice
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229920002678 cellulose Polymers 0.000 title claims abstract description 13
- 239000001913 cellulose Substances 0.000 title claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 38
- 238000010411 cooking Methods 0.000 claims abstract description 32
- 239000011121 hardwood Substances 0.000 claims abstract description 32
- 239000011122 softwood Substances 0.000 claims abstract description 28
- 239000002023 wood Substances 0.000 claims abstract description 27
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 230000004087 circulation Effects 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 238000005470 impregnation Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 8
- 238000007792 addition Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 235000018185 Betula X alpestris Nutrition 0.000 description 3
- 235000018212 Betula X uliginosa Nutrition 0.000 description 3
- 229920002488 Hemicellulose Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000015243 ice cream Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920001221 xylan Polymers 0.000 description 2
- 150000004823 xylans Chemical class 0.000 description 2
- 229920000862 Arboform Polymers 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- RYXPMWYHEBGTRV-UHFFFAOYSA-N Omeprazole sodium Chemical compound [Na+].N=1C2=CC(OC)=CC=C2[N-]C=1S(=O)CC1=NC=C(C)C(OC)=C1C RYXPMWYHEBGTRV-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- 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
- D21C3/228—Automation of the pulping 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
Landscapes
- Paper (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0201679A SE522415C2 (sv) | 2002-06-03 | 2002-06-03 | Förfarande och kokerisystem för framställning av cellulosamassa |
| AU2003235376A AU2003235376A1 (en) | 2002-06-03 | 2003-05-02 | Process for the manufacturing of cellulose pulp |
| EP03721262A EP1513981A1 (fr) | 2002-06-03 | 2003-05-02 | Procede de production de pate a papier |
| US10/514,409 US20050252625A1 (en) | 2002-06-03 | 2003-05-02 | Process for the manufacturing of cellulose pulp |
| PCT/SE2003/000712 WO2003102296A1 (fr) | 2002-06-03 | 2003-05-02 | Procede de production de pate a papier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0201679A SE522415C2 (sv) | 2002-06-03 | 2002-06-03 | Förfarande och kokerisystem för framställning av cellulosamassa |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0201679D0 SE0201679D0 (sv) | 2002-06-03 |
| SE0201679L SE0201679L (sv) | 2003-12-04 |
| SE522415C2 true SE522415C2 (sv) | 2004-02-10 |
Family
ID=20288056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0201679A SE522415C2 (sv) | 2002-06-03 | 2002-06-03 | Förfarande och kokerisystem för framställning av cellulosamassa |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050252625A1 (fr) |
| EP (1) | EP1513981A1 (fr) |
| AU (1) | AU2003235376A1 (fr) |
| SE (1) | SE522415C2 (fr) |
| WO (1) | WO2003102296A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE518993E (sv) * | 2002-01-24 | 2013-04-23 | Metso Paper Sweden Ab | Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut |
| NZ591346A (en) * | 2011-02-28 | 2011-10-28 | Wpi Internat Ltd | Improved method of producing pulp from pinus radiata |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152197A (en) * | 1974-09-23 | 1979-05-01 | Mo Och Domsjo Ab | Process for preparing high-yield cellulose pulps by vapor phase pulping an unpulped portion of lignocellulosic material and a partially chemically pulped portion |
| JPS5358003A (en) * | 1976-11-02 | 1978-05-25 | Oji Paper Co | Process for making alkali pulp from needleeleaf trees |
-
2002
- 2002-06-03 SE SE0201679A patent/SE522415C2/sv not_active IP Right Cessation
-
2003
- 2003-05-02 EP EP03721262A patent/EP1513981A1/fr not_active Withdrawn
- 2003-05-02 AU AU2003235376A patent/AU2003235376A1/en not_active Abandoned
- 2003-05-02 US US10/514,409 patent/US20050252625A1/en not_active Abandoned
- 2003-05-02 WO PCT/SE2003/000712 patent/WO2003102296A1/fr not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003235376A1 (en) | 2003-12-19 |
| SE0201679D0 (sv) | 2002-06-03 |
| EP1513981A1 (fr) | 2005-03-16 |
| US20050252625A1 (en) | 2005-11-17 |
| WO2003102296A1 (fr) | 2003-12-11 |
| SE0201679L (sv) | 2003-12-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |