CA2189899C - Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson - Google Patents
Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson Download PDFInfo
- Publication number
- CA2189899C CA2189899C CA 2189899 CA2189899A CA2189899C CA 2189899 C CA2189899 C CA 2189899C CA 2189899 CA2189899 CA 2189899 CA 2189899 A CA2189899 A CA 2189899A CA 2189899 C CA2189899 C CA 2189899C
- Authority
- CA
- Canada
- Prior art keywords
- cooking
- liquor
- alkali
- digester
- pulp
- 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 - Fee Related
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 279
- 239000003513 alkali Substances 0.000 title claims abstract description 230
- 239000000463 material Substances 0.000 title claims description 57
- 229920002678 cellulose Polymers 0.000 title claims description 25
- 239000001913 cellulose Substances 0.000 title claims description 25
- 230000004087 circulation Effects 0.000 claims abstract description 102
- 239000002002 slurry Substances 0.000 claims abstract description 77
- 239000000126 substance Substances 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 22
- 238000010791 quenching Methods 0.000 claims abstract description 9
- 239000012808 vapor phase Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 82
- 239000002023 wood Substances 0.000 claims description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000002657 fibrous material Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000002655 kraft paper Substances 0.000 abstract description 26
- 230000008569 process Effects 0.000 description 43
- 238000005470 impregnation Methods 0.000 description 39
- 238000011282 treatment Methods 0.000 description 33
- 239000000706 filtrate Substances 0.000 description 18
- 238000004537 pulping Methods 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 12
- 239000000123 paper Substances 0.000 description 12
- 238000011084 recovery Methods 0.000 description 12
- 238000010790 dilution Methods 0.000 description 10
- 239000012895 dilution Substances 0.000 description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- 239000011122 softwood Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000002203 pretreatment Methods 0.000 description 6
- 238000004061 bleaching Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 229910052979 sodium sulfide Inorganic materials 0.000 description 5
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 5
- 238000010025 steaming Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000004155 Chlorine dioxide Substances 0.000 description 3
- 235000019398 chlorine dioxide Nutrition 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 102100030386 Granzyme A Human genes 0.000 description 1
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Paper (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/558,138 | 1995-11-13 | ||
| US08/558,138 US5635026A (en) | 1995-11-13 | 1995-11-13 | Cooking cellulose material with high alkali concentrations and/or high pH |
| US08/736,112 | 1996-10-24 | ||
| US08/736,112 US5779856A (en) | 1995-11-13 | 1996-10-24 | Cooking cellulose material using high alkali concentrations and/or high pH near the end of the cook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2189899A1 CA2189899A1 (fr) | 1997-05-14 |
| CA2189899C true CA2189899C (fr) | 2002-07-16 |
Family
ID=27071640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2189899 Expired - Fee Related CA2189899C (fr) | 1995-11-13 | 1996-11-08 | Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2189899C (fr) |
| FI (1) | FI120362B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10612059B2 (en) | 2015-04-10 | 2020-04-07 | Comet Biorefining Inc. | Methods and compositions for the treatment of cellulosic biomass and products produced thereby |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2010324993B2 (en) * | 2009-11-24 | 2014-05-22 | Andritz Inc. | Method and system for thin chip digester cooking |
| ES3002766T3 (en) | 2018-05-10 | 2025-03-07 | Comet Biorefining Inc | Compositions comprising glucose and hemicellulose and their use |
| US12263184B2 (en) | 2019-05-10 | 2025-04-01 | Comet Biorefining Inc. | Materials and methods for producing arabinoxylan compositions |
-
1996
- 1996-11-08 CA CA 2189899 patent/CA2189899C/fr not_active Expired - Fee Related
- 1996-11-12 FI FI964530A patent/FI120362B/fi active IP Right Review Request
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10612059B2 (en) | 2015-04-10 | 2020-04-07 | Comet Biorefining Inc. | Methods and compositions for the treatment of cellulosic biomass and products produced thereby |
Also Published As
| Publication number | Publication date |
|---|---|
| FI120362B (fi) | 2009-09-30 |
| FI964530A7 (fi) | 1997-05-14 |
| CA2189899A1 (fr) | 1997-05-14 |
| FI964530A0 (fi) | 1996-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5779856A (en) | Cooking cellulose material using high alkali concentrations and/or high pH near the end of the cook | |
| US6086712A (en) | DOM control in cellulose pulp production | |
| CA1043515A (fr) | Methode de regulation de la digestion des pates alcalines en cuve en combinaison avec la delignification alcaline continue a l'oxygene | |
| US9574302B2 (en) | Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester | |
| JP3484382B2 (ja) | 特定のアルカリ分布で行うパルプ蒸解方法 | |
| CA2197312C (fr) | Ameliorations dans la preparation de la pate a papier avec controle des solides dissous | |
| CA2198719C (fr) | Cuisson de matieres cellulosiques avec pretraitement a l'aide de la liqueur epuisee | |
| CA2297980C (fr) | Cuisson en continu avec impregnation a faible temperature et reglage de la quantite de matiere organique dissoute (dom) | |
| JP7292296B2 (ja) | 溶解パルプの製造方法 | |
| WO1996007786A1 (fr) | Procede de cuisson continue de pate kraft avec pretraitement de la liqueur noire | |
| CA2189899C (fr) | Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson | |
| US6350348B1 (en) | Batch cooking with black liquor pretreatment | |
| US20100263813A1 (en) | Green liquor pretreatment of lignocellulosic material | |
| RU2793493C2 (ru) | Способ изготовления растворимой древесноволокнистой массы | |
| US20040089430A1 (en) | Method for alkaline cooking of fiber material | |
| EP3673110B1 (fr) | Procédé compact amélioré pour la production d'une pâte préhydrolysée | |
| CA2273146C (fr) | Reduction de la teneur de la pate en matieres dissoutes | |
| AU721103B2 (en) | Dissolved solids control in pulp protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |