CA1145107A - Methode de raffinage des pates a papier - Google Patents
Methode de raffinage des pates a papierInfo
- Publication number
- CA1145107A CA1145107A CA000356028A CA356028A CA1145107A CA 1145107 A CA1145107 A CA 1145107A CA 000356028 A CA000356028 A CA 000356028A CA 356028 A CA356028 A CA 356028A CA 1145107 A CA1145107 A CA 1145107A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- treatment
- temperature
- weight
- mechanical
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 53
- 230000008569 process Effects 0.000 claims abstract description 43
- 239000000126 substance Substances 0.000 claims abstract description 43
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims abstract description 40
- 238000007670 refining Methods 0.000 claims abstract description 36
- 235000010265 sodium sulphite Nutrition 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 239000002023 wood Substances 0.000 claims description 21
- 230000006872 improvement Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 14
- 229920005610 lignin Polymers 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000003513 alkali Substances 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 8
- 239000012634 fragment Substances 0.000 claims description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 6
- 229920002522 Wood fibre Polymers 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 238000006467 substitution reaction Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 21
- 239000000123 paper Substances 0.000 description 13
- 230000035484 reaction time Effects 0.000 description 9
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 8
- 238000004537 pulping Methods 0.000 description 7
- 241000894007 species Species 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 241000218657 Picea Species 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 206010061592 cardiac fibrillation Diseases 0.000 description 3
- 230000002600 fibrillogenic effect Effects 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 235000005018 Pinus echinata Nutrition 0.000 description 2
- 241001236219 Pinus echinata Species 0.000 description 2
- 235000017339 Pinus palustris Nutrition 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 235000007173 Abies balsamea Nutrition 0.000 description 1
- 239000004857 Balsam Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 244000018716 Impatiens biflora Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- 241000274582 Pycnanthus angolensis Species 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000013305 flexible fiber Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10466879A | 1979-12-17 | 1979-12-17 | |
| US104,668 | 1979-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1145107A true CA1145107A (fr) | 1983-04-26 |
Family
ID=22301732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000356028A Expired CA1145107A (fr) | 1979-12-17 | 1980-07-31 | Methode de raffinage des pates a papier |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0030778B1 (fr) |
| JP (1) | JPS5691093A (fr) |
| AU (1) | AU531907B2 (fr) |
| BR (1) | BR8005950A (fr) |
| CA (1) | CA1145107A (fr) |
| DE (1) | DE3064270D1 (fr) |
| FI (1) | FI71779C (fr) |
| MX (1) | MX156081A (fr) |
| NZ (1) | NZ194407A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718980A (en) * | 1985-12-30 | 1988-01-12 | Weyerhaeuser Company | Interstage treatment of mechanical pulp |
| US4789429A (en) * | 1985-11-06 | 1988-12-06 | Sunds Defibrator Aktiebolag | Method of making mechanical pulp |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4502918A (en) * | 1981-06-10 | 1985-03-05 | Macmillan Bloedel Limited | Two-stage chemical treatment of mechanical wood pulp with sodium sulfite |
| SE466060C (sv) | 1990-02-13 | 1995-09-11 | Moelnlycke Ab | Absorberande kemitermomekanisk massa och framställning därav |
| US5607546A (en) * | 1990-02-13 | 1997-03-04 | Molnlycke Ab | CTMP-process |
| WO1997022749A1 (fr) * | 1995-12-19 | 1997-06-26 | Kvaerner Hymac Inc. | Procede de traitement de pate de raffineur |
| CA2243228A1 (fr) * | 1997-07-17 | 1999-01-17 | Donohue Inc. | Preparation de pate de bois mecanique avec consommation reduite d'energie |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4145246A (en) * | 1976-07-19 | 1979-03-20 | Crown Zellerbach Corporation | Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom |
-
1980
- 1980-07-16 AU AU60460/80A patent/AU531907B2/en not_active Ceased
- 1980-07-21 NZ NZ194407A patent/NZ194407A/xx unknown
- 1980-07-31 CA CA000356028A patent/CA1145107A/fr not_active Expired
- 1980-08-08 DE DE8080302722T patent/DE3064270D1/de not_active Expired
- 1980-08-08 EP EP80302722A patent/EP0030778B1/fr not_active Expired
- 1980-08-11 JP JP10933480A patent/JPS5691093A/ja active Pending
- 1980-08-22 FI FI802654A patent/FI71779C/fi not_active IP Right Cessation
- 1980-09-17 BR BR8005950A patent/BR8005950A/pt not_active IP Right Cessation
- 1980-11-26 MX MX184912A patent/MX156081A/es unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4789429A (en) * | 1985-11-06 | 1988-12-06 | Sunds Defibrator Aktiebolag | Method of making mechanical pulp |
| US4718980A (en) * | 1985-12-30 | 1988-01-12 | Weyerhaeuser Company | Interstage treatment of mechanical pulp |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0030778A1 (fr) | 1981-06-24 |
| NZ194407A (en) | 1983-02-15 |
| AU6046080A (en) | 1981-06-25 |
| FI802654A7 (fi) | 1981-06-18 |
| FI71779B (fi) | 1986-10-31 |
| AU531907B2 (en) | 1983-09-08 |
| MX156081A (es) | 1988-06-30 |
| BR8005950A (pt) | 1981-06-23 |
| JPS5691093A (en) | 1981-07-23 |
| EP0030778B1 (fr) | 1983-07-20 |
| FI71779C (fi) | 1987-02-09 |
| DE3064270D1 (en) | 1983-08-25 |
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| US3707436A (en) | Exploding of ammonia impregnated wood chips | |
| US4431479A (en) | Process for improving and retaining pulp properties | |
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| US4116758A (en) | Method of producing high yield chemimechanical pulps | |
| NO162475B (no) | Fremgangsm te ved fremstilling av mekanisk raffinoerse. | |
| CA1145107A (fr) | Methode de raffinage des pates a papier | |
| US3919041A (en) | Multi-stage chlorine dioxide delignification of wood pulp | |
| US3829357A (en) | Oxidative manufacture of pulp with chlorine dioxide | |
| CA2440789C (fr) | Procede de production de pate a papier | |
| AU2002244309A1 (en) | Method for producing pulp | |
| US3013931A (en) | Printing paper and process of making the same | |
| CA1145106A (fr) | Procede d'amelioration des pates mecaniques | |
| US3013932A (en) | Printing paper and process of making the same | |
| US3591451A (en) | Pretreatment of vegetable matter and delignification of the refined matter with chloring dioxide | |
| US3262839A (en) | Neutral to weakly alkaline sulfite process for the extraction of cellulose from cellulosic material | |
| USRE28777E (en) | Refining of vegetable matter and delignification of the refined matter with chlorine dioxide | |
| CA1066697A (fr) | Methode de production de la cellulose | |
| EP0096460B1 (fr) | Procédé pour maintenir les propriétés d'une pâte | |
| CA1071805A (fr) | Amelioration des proprietes d'egouttement et d'allongement a l'etat humide de la pate mecanique | |
| US2610119A (en) | Defibering presoaked ligno-cellulose | |
| US4836892A (en) | Pulp blends for linerboards |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |