FR2474550A1 - Procede de blanchiment de pate cellulosique - Google Patents
Procede de blanchiment de pate cellulosique Download PDFInfo
- Publication number
- FR2474550A1 FR2474550A1 FR8101263A FR8101263A FR2474550A1 FR 2474550 A1 FR2474550 A1 FR 2474550A1 FR 8101263 A FR8101263 A FR 8101263A FR 8101263 A FR8101263 A FR 8101263A FR 2474550 A1 FR2474550 A1 FR 2474550A1
- Authority
- FR
- France
- Prior art keywords
- bleaching
- dough
- consistency
- treatment
- ozone
- 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.)
- Granted
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000004061 bleaching Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 29
- 125000000864 peroxy group Chemical group O(O*)* 0.000 title claims abstract description 12
- 238000004076 pulp bleaching Methods 0.000 title abstract description 3
- 238000007865 diluting Methods 0.000 title 1
- 238000011282 treatment Methods 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000002253 acid Substances 0.000 claims abstract description 32
- 239000003513 alkali Substances 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 5
- 230000014759 maintenance of location Effects 0.000 claims description 38
- 150000002978 peroxides Chemical class 0.000 claims description 19
- 230000002378 acidificating effect Effects 0.000 claims description 16
- 238000000605 extraction Methods 0.000 claims description 16
- 238000004064 recycling Methods 0.000 claims description 12
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 4
- -1 peroxy compound Chemical class 0.000 claims 2
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 239000007844 bleaching agent Substances 0.000 abstract description 2
- 239000013043 chemical agent Substances 0.000 abstract 1
- 239000000284 extract Substances 0.000 description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 238000005406 washing Methods 0.000 description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 18
- 239000007789 gas Substances 0.000 description 16
- 230000002087 whitening effect Effects 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000002655 kraft paper Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011121 hardwood Substances 0.000 description 4
- 239000004155 Chlorine dioxide Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 235000019398 chlorine dioxide Nutrition 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000006385 ozonation reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 239000006286 aqueous extract Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000015927 pasta Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 241000447437 Gerreidae Species 0.000 description 1
- 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 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 108010051489 calin Proteins 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 235000012846 chilled/fresh pasta Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- DGMKFQYCZXERLX-UHFFFAOYSA-N proglumide Chemical compound CCCN(CCC)C(=O)C(CCC(O)=O)NC(=O)C1=CC=CC=C1 DGMKFQYCZXERLX-UHFFFAOYSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 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
- D21C9/1073—Bleaching ; Apparatus therefor with O3
-
- 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
- D21C9/1026—Other features in bleaching 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
- 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
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 |
|---|---|---|---|
| US06/115,065 US4283251A (en) | 1980-01-24 | 1980-01-24 | Ozone effluent bleaching |
| AU70975/81A AU539165B2 (en) | 1980-01-24 | 1981-05-25 | Ozone effluent bleaching of pulp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2474550A1 true FR2474550A1 (fr) | 1981-07-31 |
| FR2474550B1 FR2474550B1 (enrdf_load_stackoverflow) | 1983-05-27 |
Family
ID=32962952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8101263A Granted FR2474550A1 (fr) | 1980-01-24 | 1981-01-23 | Procede de blanchiment de pate cellulosique |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU539165B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2474550A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308314A1 (fr) * | 1987-09-17 | 1989-03-22 | "DEGREMONT" Société dite: | Procédé de traitement par l'ozone de matériaux ligno-cellulosiques, notamment de pâtes à papier et réacteur pour la mise en oeuvre de ce procédé |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE156539T1 (de) * | 1991-05-24 | 1997-08-15 | Union Camp Patent Holding | Zweistufiger reaktor zum bleichen von zellstoff und verfahren zum bleichen mit ozon |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2341335A1 (de) * | 1972-09-11 | 1974-03-21 | Improved Machinery Inc | Vorrichtung zur materialaufbereitung mittels gasabsorption |
-
1981
- 1981-01-23 FR FR8101263A patent/FR2474550A1/fr active Granted
- 1981-05-25 AU AU70975/81A patent/AU539165B2/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2341335A1 (de) * | 1972-09-11 | 1974-03-21 | Improved Machinery Inc | Vorrichtung zur materialaufbereitung mittels gasabsorption |
| US3814664A (en) * | 1972-09-11 | 1974-06-04 | Improved Machinery Inc | Gaseous reaction apparatus including a peripheral gas receiving chamber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308314A1 (fr) * | 1987-09-17 | 1989-03-22 | "DEGREMONT" Société dite: | Procédé de traitement par l'ozone de matériaux ligno-cellulosiques, notamment de pâtes à papier et réacteur pour la mise en oeuvre de ce procédé |
| FR2620744A1 (fr) * | 1987-09-17 | 1989-03-24 | Degremont | Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede |
Also Published As
| Publication number | Publication date |
|---|---|
| AU539165B2 (en) | 1984-09-13 |
| AU7097581A (en) | 1982-12-02 |
| FR2474550B1 (enrdf_load_stackoverflow) | 1983-05-27 |
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| US4283251A (en) | Ozone effluent bleaching | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |