SE514416C2 - 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 ozonblekning

Info

Publication number
SE514416C2
SE514416C2 SE9902178A SE9902178A SE514416C2 SE 514416 C2 SE514416 C2 SE 514416C2 SE 9902178 A SE9902178 A SE 9902178A SE 9902178 A SE9902178 A SE 9902178A SE 514416 C2 SE514416 C2 SE 514416C2
Authority
SE
Sweden
Prior art keywords
pulp
vessel
gas
demolition
outlet pipe
Prior art date
Application number
SE9902178A
Other languages
English (en)
Swedish (sv)
Other versions
SE9902178D0 (sv
SE9902178L (sv
Inventor
Monika Bostroem
Per Aastroem
Original Assignee
Valmet Fibertech Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valmet Fibertech Ab filed Critical Valmet Fibertech Ab
Priority to SE9902178A priority Critical patent/SE514416C2/sv
Publication of SE9902178D0 publication Critical patent/SE9902178D0/xx
Priority to BRPI0011398-0A priority patent/BR0011398B1/pt
Priority to US10/009,052 priority patent/US6989078B1/en
Priority to PCT/SE2000/001052 priority patent/WO2000077296A1/fr
Priority to AT00941061T priority patent/ATE458085T1/de
Priority to EP00941061A priority patent/EP1244841B1/fr
Priority to CNB008086885A priority patent/CN1175140C/zh
Priority to JP2001503733A priority patent/JP4522629B2/ja
Priority to DE60043859T priority patent/DE60043859D1/de
Priority to CA002374796A priority patent/CA2374796C/fr
Priority to AU55822/00A priority patent/AU5582200A/en
Publication of SE9902178L publication Critical patent/SE9902178L/
Publication of SE514416C2 publication Critical patent/SE514416C2/sv

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)
SE9902178A 1999-06-10 1999-06-10 Metod och system för gastät inmatning av massa till en reaktor för ozonblekning SE514416C2 (sv)

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
AU55822/00A AU5582200A (en) 1999-06-10 2000-05-24 Method and 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
US10/009,052 US6989078B1 (en) 1999-06-10 2000-05-24 System for conveying shredded pulp to an ozone reactor
PCT/SE2000/001052 WO2000077296A1 (fr) 1999-06-10 2000-05-24 Procede et systeme de transport de pate egouttee jusqu'a un reacteur contenant un gaz ozone
BRPI0011398-0A BR0011398B1 (pt) 1999-06-10 2000-05-24 método e sistema de tratamento de polpa.
EP00941061A EP1244841B1 (fr) 1999-06-10 2000-05-24 Procede et systeme de transport de pate egouttee jusqu'a un reacteur contenant un gaz ozone
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
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
DE60043859T DE60043859D1 (de) 1999-06-10 2000-05-24 Verfahren und vorrichtung zur förderung von zerschnitzeltem zellstoff nach einem ozonreaktor
CA002374796A CA2374796C (fr) 1999-06-10 2000-05-24 Procede et systeme de transport de pate egouttee jusqu'a un reacteur contenant un gaz ozone

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 SE9902178L (sv) 2000-12-11
SE514416C2 true 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 (fr)
EP (1) EP1244841B1 (fr)
JP (1) JP4522629B2 (fr)
CN (1) CN1175140C (fr)
AT (1) ATE458085T1 (fr)
AU (1) AU5582200A (fr)
BR (1) BR0011398B1 (fr)
CA (1) CA2374796C (fr)
DE (1) DE60043859D1 (fr)
SE (1) SE514416C2 (fr)
WO (1) WO2000077296A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003048448A1 (fr) 2001-12-05 2003-06-12 Metso Paper, Inc Procede et systeme de traitement de la pate a papier avant le blanchiment a l'ozone

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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 (fr) * 1990-12-21 1992-07-01 Kamyr, Inc. Réacteur rotatif à ozone pour pâte à papier
CA2046717A1 (fr) * 1991-02-06 1992-08-07 Beloit Technologies, Inc. Methode de traitement de matieres fibreuses au moyen d'un reactif gazeux et appareil connexe
WO1996005365A1 (fr) * 1994-08-11 1996-02-22 Beloit Technologies, Inc. Systeme d'acheminement etanche au gaz de pate de cellulose dechiquetee
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003048448A1 (fr) 2001-12-05 2003-06-12 Metso Paper, Inc Procede et systeme de traitement de la pate a papier avant le blanchiment a l'ozone

Also Published As

Publication number Publication date
EP1244841B1 (fr) 2010-02-17
SE9902178D0 (sv) 1999-06-10
BR0011398B1 (pt) 2010-11-30
US6989078B1 (en) 2006-01-24
SE9902178L (sv) 2000-12-11
CN1354811A (zh) 2002-06-19
AU5582200A (en) 2001-01-02
JP4522629B2 (ja) 2010-08-11
ATE458085T1 (de) 2010-03-15
CA2374796C (fr) 2009-10-06
JP2003502518A (ja) 2003-01-21
EP1244841A1 (fr) 2002-10-02
BR0011398A (pt) 2002-03-05
WO2000077296A1 (fr) 2000-12-21
CN1175140C (zh) 2004-11-10
CA2374796A1 (fr) 2000-12-21
DE60043859D1 (de) 2010-04-01

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Legal Events

Date Code Title Description
NUG Patent has lapsed