SE7902741L - Blekningsforfarande - Google Patents
BlekningsforfarandeInfo
- Publication number
- SE7902741L SE7902741L SE7902741A SE7902741A SE7902741L SE 7902741 L SE7902741 L SE 7902741L SE 7902741 A SE7902741 A SE 7902741A SE 7902741 A SE7902741 A SE 7902741A SE 7902741 L SE7902741 L SE 7902741L
- Authority
- SE
- Sweden
- Prior art keywords
- chlorine
- chlorine dioxide
- aqueous solution
- pulp
- dioxide
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 4
- 239000004155 Chlorine dioxide Substances 0.000 abstract 4
- 239000000460 chlorine Substances 0.000 abstract 4
- 229910052801 chlorine Inorganic materials 0.000 abstract 4
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 4
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 230000002411 adverse Effects 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000011368 organic material Substances 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1243378 | 1978-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7902741L true SE7902741L (sv) | 1979-10-01 |
Family
ID=10004518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7902741A SE7902741L (sv) | 1978-03-30 | 1979-03-27 | Blekningsforfarande |
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 |
|---|---|
| CA1111607A (en) | 1981-11-03 |
| DE2911334A1 (de) | 1979-10-18 |
| PT69361B (en) | 1986-11-13 |
| AT376249B (de) | 1984-10-25 |
| CS231164B2 (en) | 1984-10-15 |
| 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 |
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