SE9902178L - Metod och system för gastät inmatning av massa till en reaktor för ozonblekning - Google Patents
Metod och system för gastät inmatning av massa till en reaktor för ozonblekningInfo
- Publication number
- SE9902178L SE9902178L SE9902178A SE9902178A SE9902178L SE 9902178 L SE9902178 L SE 9902178L SE 9902178 A SE9902178 A SE 9902178A SE 9902178 A SE9902178 A SE 9902178A SE 9902178 L SE9902178 L SE 9902178L
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- gas
- shredding
- vessel
- reaction vessel
- Prior art date
Links
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
-
- 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
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9902178A SE514416C2 (sv) | 1999-06-10 | 1999-06-10 | Metod och system för gastät inmatning av massa till en reaktor för ozonblekning |
EP00941061A EP1244841B1 (en) | 1999-06-10 | 2000-05-24 | Method and system for conveying shredded pulp to an ozone reactor |
PCT/SE2000/001052 WO2000077296A1 (en) | 1999-06-10 | 2000-05-24 | Method and system for conveying shredded pulp to an ozone reactor |
AU55822/00A AU5582200A (en) | 1999-06-10 | 2000-05-24 | Method and system for conveying shredded pulp to an ozone reactor |
JP2001503733A JP4522629B2 (ja) | 1999-06-10 | 2000-05-24 | 破砕パルプをオゾン反応槽へ搬送するための方法とシステム |
CNB008086885A CN1175140C (zh) | 1999-06-10 | 2000-05-24 | 将碎浆料输送至臭氧反应器的方法和系统 |
DE60043859T DE60043859D1 (de) | 1999-06-10 | 2000-05-24 | Verfahren und vorrichtung zur förderung von zerschnitzeltem zellstoff nach einem ozonreaktor |
US10/009,052 US6989078B1 (en) | 1999-06-10 | 2000-05-24 | System for conveying shredded pulp to an ozone reactor |
AT00941061T ATE458085T1 (de) | 1999-06-10 | 2000-05-24 | Verfahren und vorrichtung zur förderung von zerschnitzeltem zellstoff nach einem ozonreaktor |
CA002374796A CA2374796C (en) | 1999-06-10 | 2000-05-24 | Method and system for conveying shredded pulp to an ozone reactor |
BRPI0011398-0A BR0011398B1 (pt) | 1999-06-10 | 2000-05-24 | método e sistema de tratamento de polpa. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9902178A SE514416C2 (sv) | 1999-06-10 | 1999-06-10 | Metod och system för gastät inmatning av massa till en reaktor för ozonblekning |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9902178D0 SE9902178D0 (sv) | 1999-06-10 |
SE9902178L true SE9902178L (sv) | 2000-12-11 |
SE514416C2 SE514416C2 (sv) | 2001-02-19 |
Family
ID=20416011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9902178A SE514416C2 (sv) | 1999-06-10 | 1999-06-10 | Metod och system för gastät inmatning av massa till en reaktor för ozonblekning |
Country Status (11)
Country | Link |
---|---|
US (1) | US6989078B1 (sv) |
EP (1) | EP1244841B1 (sv) |
JP (1) | JP4522629B2 (sv) |
CN (1) | CN1175140C (sv) |
AT (1) | ATE458085T1 (sv) |
AU (1) | AU5582200A (sv) |
BR (1) | BR0011398B1 (sv) |
CA (1) | CA2374796C (sv) |
DE (1) | DE60043859D1 (sv) |
SE (1) | SE514416C2 (sv) |
WO (1) | WO2000077296A1 (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE520707C2 (sv) | 2001-12-05 | 2003-08-12 | Metso Paper Inc | Metod och system för behandling av massa vid ozonblekning |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI67413C (fi) * | 1977-04-27 | 1985-03-11 | Myrens Verksted As | Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet |
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 |
US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
EP0492040A1 (en) * | 1990-12-21 | 1992-07-01 | Kamyr, Inc. | Tumbling ozone reactor for paper pulp |
CA2046717A1 (en) * | 1991-02-06 | 1992-08-07 | Beloit Technologies, Inc. | Method and apparatus for treating fibrous materials with a gaseous reagent |
CA2197190A1 (en) * | 1994-08-11 | 1996-02-22 | Lewis D. Shackford | Means for gas-sealingly conveying shredded pulp |
US5944952A (en) * | 1995-07-26 | 1999-08-31 | Beloit Technologies, Inc. | Method for bleaching high consistency pulp with a gaseous bleaching reagent |
-
1999
- 1999-06-10 SE SE9902178A patent/SE514416C2/sv not_active IP Right Cessation
-
2000
- 2000-05-24 EP EP00941061A patent/EP1244841B1/en not_active Expired - Lifetime
- 2000-05-24 AU AU55822/00A patent/AU5582200A/en not_active Abandoned
- 2000-05-24 CN CNB008086885A patent/CN1175140C/zh not_active Expired - Fee Related
- 2000-05-24 WO PCT/SE2000/001052 patent/WO2000077296A1/en active Application Filing
- 2000-05-24 DE DE60043859T patent/DE60043859D1/de not_active Expired - Fee Related
- 2000-05-24 BR BRPI0011398-0A patent/BR0011398B1/pt not_active IP Right Cessation
- 2000-05-24 AT AT00941061T patent/ATE458085T1/de active
- 2000-05-24 US US10/009,052 patent/US6989078B1/en not_active Expired - Fee Related
- 2000-05-24 JP JP2001503733A patent/JP4522629B2/ja not_active Expired - Fee Related
- 2000-05-24 CA CA002374796A patent/CA2374796C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE60043859D1 (de) | 2010-04-01 |
CN1175140C (zh) | 2004-11-10 |
BR0011398A (pt) | 2002-03-05 |
CA2374796C (en) | 2009-10-06 |
JP4522629B2 (ja) | 2010-08-11 |
SE514416C2 (sv) | 2001-02-19 |
ATE458085T1 (de) | 2010-03-15 |
CA2374796A1 (en) | 2000-12-21 |
JP2003502518A (ja) | 2003-01-21 |
AU5582200A (en) | 2001-01-02 |
SE9902178D0 (sv) | 1999-06-10 |
EP1244841A1 (en) | 2002-10-02 |
US6989078B1 (en) | 2006-01-24 |
CN1354811A (zh) | 2002-06-19 |
WO2000077296A1 (en) | 2000-12-21 |
BR0011398B1 (pt) | 2010-11-30 |
EP1244841B1 (en) | 2010-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |