CA1286455C - Preparation de pates chimiques a rendement eleve - Google Patents
Preparation de pates chimiques a rendement eleveInfo
- Publication number
- CA1286455C CA1286455C CA000539674A CA539674A CA1286455C CA 1286455 C CA1286455 C CA 1286455C CA 000539674 A CA000539674 A CA 000539674A CA 539674 A CA539674 A CA 539674A CA 1286455 C CA1286455 C CA 1286455C
- Authority
- CA
- Canada
- Prior art keywords
- chips
- pulp
- pulping
- partially
- chemical pulping
- 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
- 238000004537 pulping Methods 0.000 title claims abstract description 43
- 239000000126 substance Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 57
- 230000008569 process Effects 0.000 claims abstract description 51
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 239000002023 wood Substances 0.000 claims abstract description 20
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 24
- 102100030386 Granzyme A Human genes 0.000 claims description 22
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 claims description 22
- 238000004061 bleaching Methods 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 20
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- 239000002655 kraft paper Substances 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 13
- 239000004155 Chlorine dioxide Substances 0.000 claims description 12
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 12
- 239000011121 hardwood Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000003518 caustics Substances 0.000 claims description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 4
- 239000003265 pulping liquor Substances 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012808 vapor phase Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims 1
- 229920005610 lignin Polymers 0.000 abstract description 20
- 238000010411 cooking Methods 0.000 description 34
- 241000446313 Lamella Species 0.000 description 10
- 238000000605 extraction Methods 0.000 description 9
- 239000003513 alkali Substances 0.000 description 7
- 238000005660 chlorination reaction Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000011122 softwood Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 241000536565 Disteganthus basilateralis Species 0.000 description 2
- 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
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
- 235000010328 Acer nigrum Nutrition 0.000 description 1
- 240000004144 Acer rubrum Species 0.000 description 1
- 235000002629 Acer saccharinum Nutrition 0.000 description 1
- 235000010157 Acer saccharum subsp saccharum Nutrition 0.000 description 1
- 241001123297 Acer saccharum subsp. saccharum Species 0.000 description 1
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 101100457461 Caenorhabditis elegans mnm-2 gene Proteins 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000003621 hammer milling Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation
-
- 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
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88389986A | 1986-07-09 | 1986-07-09 | |
| US883,899 | 1986-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1286455C true CA1286455C (fr) | 1991-07-23 |
Family
ID=25383562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000539674A Expired - Lifetime CA1286455C (fr) | 1986-07-09 | 1987-06-15 | Preparation de pates chimiques a rendement eleve |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS6385194A (fr) |
| KR (1) | KR880001885A (fr) |
| BR (1) | BR8703492A (fr) |
| CA (1) | CA1286455C (fr) |
| ES (1) | ES2006197A6 (fr) |
| FI (1) | FI873026A (fr) |
| SE (1) | SE8702808L (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020059929A (ja) * | 2018-10-04 | 2020-04-16 | 日本製紙株式会社 | 植物繊維束 |
-
1987
- 1987-06-15 CA CA000539674A patent/CA1286455C/fr not_active Expired - Lifetime
- 1987-07-08 FI FI873026A patent/FI873026A/fi not_active IP Right Cessation
- 1987-07-08 BR BR8703492A patent/BR8703492A/pt unknown
- 1987-07-08 SE SE8702808A patent/SE8702808L/xx not_active Application Discontinuation
- 1987-07-09 JP JP62172015A patent/JPS6385194A/ja active Pending
- 1987-07-09 KR KR1019870007341A patent/KR880001885A/ko not_active Application Discontinuation
- 1987-07-09 ES ES8702011A patent/ES2006197A6/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI873026A0 (fi) | 1987-07-08 |
| SE8702808L (sv) | 1988-01-10 |
| ES2006197A6 (es) | 1989-04-16 |
| SE8702808D0 (sv) | 1987-07-08 |
| JPS6385194A (ja) | 1988-04-15 |
| BR8703492A (pt) | 1988-03-22 |
| KR880001885A (ko) | 1988-04-27 |
| FI873026A (fi) | 1988-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |