CA1111607A - Pulping procedure - Google Patents
Pulping procedureInfo
- Publication number
- CA1111607A CA1111607A CA323,926A CA323926A CA1111607A CA 1111607 A CA1111607 A CA 1111607A CA 323926 A CA323926 A CA 323926A CA 1111607 A CA1111607 A CA 1111607A
- Authority
- CA
- Canada
- Prior art keywords
- chlorine
- bleaching
- pulp
- chlorine dioxide
- effected
- 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 29
- 238000004537 pulping Methods 0.000 title abstract description 3
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 197
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 160
- 239000000460 chlorine Substances 0.000 claims abstract description 160
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 160
- 238000004061 bleaching Methods 0.000 claims abstract description 102
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 100
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 95
- 239000007864 aqueous solution Substances 0.000 claims abstract description 46
- 239000011368 organic material Substances 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims description 28
- 239000000126 substance Substances 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- 238000005406 washing Methods 0.000 claims description 19
- 229920001131 Pulp (paper) Polymers 0.000 claims description 7
- 239000007900 aqueous suspension Substances 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 1
- 238000011403 purification operation Methods 0.000 claims 1
- 235000017168 chlorine Nutrition 0.000 abstract description 149
- 229940060038 chlorine Drugs 0.000 abstract description 149
- 229940099041 chlorine dioxide Drugs 0.000 abstract description 87
- 239000000203 mixture Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 8
- 239000008346 aqueous phase Substances 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000007844 bleaching agent Substances 0.000 description 10
- 238000000605 extraction Methods 0.000 description 10
- 239000003518 caustics Substances 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 238000004076 pulp bleaching Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 239000002023 wood Substances 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 1
- VEXZGXHMUGYJMC-IGMARMGPSA-N chlorine-35 Chemical compound [35ClH] VEXZGXHMUGYJMC-IGMARMGPSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003265 pulping liquor Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 230000002195 synergetic effect Effects 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB12433/78 | 1978-03-30 | ||
| GB1243378 | 1978-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1111607A true CA1111607A (en) | 1981-11-03 |
Family
ID=10004518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA323,926A Expired CA1111607A (en) | 1978-03-30 | 1979-03-21 | Pulping procedure |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS54134104A (cs) |
| AR (1) | AR220185A1 (cs) |
| AT (1) | AT376249B (cs) |
| AU (1) | AU535076B2 (cs) |
| CA (1) | CA1111607A (cs) |
| CS (1) | CS231164B2 (cs) |
| DE (1) | DE2911334A1 (cs) |
| ES (1) | ES479062A1 (cs) |
| FI (1) | FI791065A7 (cs) |
| FR (1) | FR2421242A1 (cs) |
| NZ (1) | NZ189914A (cs) |
| PL (1) | PL116704B1 (cs) |
| PT (1) | PT69361B (cs) |
| SE (1) | SE7902741L (cs) |
| ZA (1) | ZA791174B (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4325783A (en) | 1978-03-30 | 1982-04-20 | Erco Industries Limited | Bleaching procedure using chlorine dioxide and chlorine solutions |
| US4409066A (en) * | 1978-03-30 | 1983-10-11 | Erco Industries Limited | Bleaching procedure using chlorine dioxide and chlorine solutions |
| CA1120660A (en) * | 1979-04-16 | 1982-03-30 | Douglas W. Reeve | Bleaching sequence |
| US4406736A (en) * | 1979-11-29 | 1983-09-27 | Erco Industries Limited | Method of bleaching pulp with an aqueous solution of chlorine dioxide and chlorine followed by a chlorine solution |
| US4421598A (en) * | 1981-08-17 | 1983-12-20 | Erco Industries Limited | Bleaching procedure using chlorine dioxide and chlorine solutions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE28884E (en) * | 1965-06-28 | 1976-06-29 | Hooker Chemicals & Plastics Corporation | Woodpulp bleaching process |
| CA926056A (en) * | 1966-01-10 | 1973-05-15 | C. Logan Kenneth | Process of bleaching woodpulp |
-
1979
- 1979-03-13 ZA ZA791174A patent/ZA791174B/xx unknown
- 1979-03-15 NZ NZ189914A patent/NZ189914A/xx unknown
- 1979-03-16 PT PT69361A patent/PT69361B/pt unknown
- 1979-03-19 AR AR275865A patent/AR220185A1/es active
- 1979-03-21 CA CA323,926A patent/CA1111607A/en not_active Expired
- 1979-03-22 DE DE19792911334 patent/DE2911334A1/de not_active Withdrawn
- 1979-03-27 SE SE7902741A patent/SE7902741L/ unknown
- 1979-03-29 ES ES479062A patent/ES479062A1/es not_active Expired
- 1979-03-29 AU AU45574/79A patent/AU535076B2/en not_active Ceased
- 1979-03-29 CS CS792099A patent/CS231164B2/cs unknown
- 1979-03-29 FR FR7907973A patent/FR2421242A1/fr active Granted
- 1979-03-30 PL PL1979214517A patent/PL116704B1/pl unknown
- 1979-03-30 JP JP3718279A patent/JPS54134104A/ja active Pending
- 1979-03-30 AT AT0239479A patent/AT376249B/de not_active IP Right Cessation
- 1979-03-30 FI FI791065A patent/FI791065A7/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2911334A1 (de) | 1979-10-18 |
| PT69361B (en) | 1986-11-13 |
| AT376249B (de) | 1984-10-25 |
| CS231164B2 (en) | 1984-10-15 |
| SE7902741L (sv) | 1979-10-01 |
| AU535076B2 (en) | 1984-03-01 |
| PL116704B1 (en) | 1981-06-30 |
| NZ189914A (en) | 1981-07-13 |
| FR2421242B1 (cs) | 1985-04-26 |
| ES479062A1 (es) | 1979-07-01 |
| PT69361A (en) | 1979-04-01 |
| ATA239479A (de) | 1984-03-15 |
| PL214517A1 (cs) | 1979-12-03 |
| AR220185A1 (es) | 1980-10-15 |
| FI791065A7 (fi) | 1981-01-01 |
| FR2421242A1 (fr) | 1979-10-26 |
| AU4557479A (en) | 1979-10-04 |
| JPS54134104A (en) | 1979-10-18 |
| ZA791174B (en) | 1980-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0512590B1 (en) | Process for bleaching of lignocellulose-containing material | |
| US6398908B1 (en) | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound | |
| SE502667C2 (sv) | Behandling av fibermaterial med komplexbildare före kokning | |
| US3725194A (en) | Treatment of alkaline pulp with an acidic medium followed by oxygen bleaching and delignification | |
| US8268120B2 (en) | Method for bleaching chemical paper pulps by final ozone treatment at high temperature | |
| US5639348A (en) | Bleaching compositions comprising sulfamates and borates or gluconates and processes | |
| AU2003216028B2 (en) | Process for bleaching lignocellulose-containing non-wood pulp | |
| CA1111607A (en) | Pulping procedure | |
| Danielewicz | The effect of treating pine regular kraft pulp with peracetic acid before O2-delignification on the consumption of ClO2 in D0ED1 bleaching | |
| JP5585323B2 (ja) | 製紙用パルプの漂白方法 | |
| CA2149649C (en) | Process for bleaching of lignocellulose-containing pulp | |
| EP0206560A2 (en) | Alkaline-peroxide-oxygen treatment for unbleached and chlorinated chemical pulps | |
| JP2009138293A (ja) | 漂白アルカリ化学パルプの製造方法 | |
| BR112015030608B1 (pt) | Processo para tratamento de polpa de papel e polpa de papel | |
| EP0652321B1 (en) | Chemical pulp bleaching | |
| CA2150810A1 (en) | Process for bleaching pulp | |
| CA1120660A (en) | Bleaching sequence | |
| FI85294B (fi) | Foerfarande foer blekning av kemiska pappersmassor. | |
| Minja et al. | Improving the pulp yield by using PS/AQ and/or two stage oxygen delignification | |
| JP3697335B2 (ja) | 化学パルプの酸性漂白白水による処理方法 | |
| FI111387B (fi) | Menetelmä massan klooritonta valkaisua varten etikkahapolla hapotusaineena | |
| US5645688A (en) | Bleaching compositions and processes employing sulfamates and polyaminocarboxylic acids | |
| NZ250050A (en) | Bleaching pulp; magnesium compound pretreatment in acid conditions | |
| JPH08218290A (ja) | 非塩素漂白パルプの製造方法 | |
| Liebergott et al. | THODS TO DECREASE AND ELIMINATE AOX IN THE BLEACH PLANT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |