CA2032315C - Procede pour le blanchiment de la pate cellulosique - Google Patents
Procede pour le blanchiment de la pate cellulosiqueInfo
- Publication number
- CA2032315C CA2032315C CA002032315A CA2032315A CA2032315C CA 2032315 C CA2032315 C CA 2032315C CA 002032315 A CA002032315 A CA 002032315A CA 2032315 A CA2032315 A CA 2032315A CA 2032315 C CA2032315 C CA 2032315C
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- bleaching
- ozone
- chlorine dioxide
- alkaline treatment
- 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
- 238000004061 bleaching Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 41
- 229920002678 cellulose Polymers 0.000 title description 5
- 239000001913 cellulose Substances 0.000 title description 5
- 239000000126 substance Substances 0.000 title description 5
- 230000008569 process Effects 0.000 title description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 137
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 68
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 68
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 59
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 9
- 229920005610 lignin Polymers 0.000 claims abstract description 6
- 239000007800 oxidant agent Substances 0.000 claims abstract description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 15
- 150000002978 peroxides Chemical class 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 4
- 239000007844 bleaching agent Substances 0.000 abstract description 16
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 229940099041 chlorine dioxide Drugs 0.000 description 48
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 21
- 239000000460 chlorine Substances 0.000 description 20
- 235000017168 chlorine Nutrition 0.000 description 20
- 229940060038 chlorine Drugs 0.000 description 20
- 229910052801 chlorine Inorganic materials 0.000 description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000011521 glass Substances 0.000 description 10
- 229910021653 sulphate ion Inorganic materials 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000035484 reaction time Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- -1 quinone compound Chemical class 0.000 description 4
- 230000029087 digestion Effects 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009533 lab test Methods 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- 229920000151 polyglycol Polymers 0.000 description 3
- 239000010695 polyglycol Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 241000218626 Pinus sylvestris Species 0.000 description 1
- SIKUQTMMVGSRMB-UHFFFAOYSA-N S(=O)(=O)(O)O.S(=O)(O)O.S(=O)(O)O Chemical compound S(=O)(=O)(O)O.S(=O)(O)O.S(=O)(O)O SIKUQTMMVGSRMB-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical class [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 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 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- ARYAXLASPXUYJM-UHFFFAOYSA-N disodium oxido(oxo)borane Chemical compound [Na+].[Na+].[O-]B=O.[O-]B=O ARYAXLASPXUYJM-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8904247-7 | 1989-12-18 | ||
| SE8904247A SE465224B (sv) | 1989-12-18 | 1989-12-18 | Blekning av kemisk cellulosamassa med klordioxid och ozon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2032315A1 CA2032315A1 (fr) | 1991-06-19 |
| CA2032315C true CA2032315C (fr) | 1997-04-15 |
Family
ID=20377792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002032315A Expired - Fee Related CA2032315C (fr) | 1989-12-18 | 1990-12-14 | Procede pour le blanchiment de la pate cellulosique |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA2032315C (fr) |
| FI (1) | FI906196A7 (fr) |
| SE (1) | SE465224B (fr) |
-
1989
- 1989-12-18 SE SE8904247A patent/SE465224B/sv not_active IP Right Cessation
-
1990
- 1990-12-14 FI FI906196A patent/FI906196A7/fi not_active Application Discontinuation
- 1990-12-14 CA CA002032315A patent/CA2032315C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2032315A1 (fr) | 1991-06-19 |
| SE8904247D0 (sv) | 1989-12-18 |
| SE8904247L (sv) | 1991-06-19 |
| SE465224B (sv) | 1991-08-12 |
| FI906196A7 (fi) | 1991-06-19 |
| FI906196A0 (fi) | 1990-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |