ATE524598T1 - Verfahren und vorrichtung zur zellstoffbehandlung vor der ozonbleiche - Google Patents

Verfahren und vorrichtung zur zellstoffbehandlung vor der ozonbleiche

Info

Publication number
ATE524598T1
ATE524598T1 AT02792127T AT02792127T ATE524598T1 AT E524598 T1 ATE524598 T1 AT E524598T1 AT 02792127 T AT02792127 T AT 02792127T AT 02792127 T AT02792127 T AT 02792127T AT E524598 T1 ATE524598 T1 AT E524598T1
Authority
AT
Austria
Prior art keywords
pulp
outlet pipe
shredding
vessel
transport screw
Prior art date
Application number
AT02792127T
Other languages
English (en)
Inventor
Monica Bokstroem
Per Stroem
Original Assignee
Metso Paper Inc
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 Metso Paper Inc filed Critical Metso Paper Inc
Application granted granted Critical
Publication of ATE524598T1 publication Critical patent/ATE524598T1/de

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
    • 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
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AT02792127T 2001-12-05 2002-12-04 Verfahren und vorrichtung zur zellstoffbehandlung vor der ozonbleiche ATE524598T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0104081A SE520707C2 (sv) 2001-12-05 2001-12-05 Metod och system för behandling av massa vid ozonblekning
PCT/SE2002/002229 WO2003048448A1 (en) 2001-12-05 2002-12-04 Method and system for the treatment of pulp prior to ozone bleaching

Publications (1)

Publication Number Publication Date
ATE524598T1 true ATE524598T1 (de) 2011-09-15

Family

ID=20286203

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02792127T ATE524598T1 (de) 2001-12-05 2002-12-04 Verfahren und vorrichtung zur zellstoffbehandlung vor der ozonbleiche

Country Status (10)

Country Link
US (1) US7294227B2 (de)
EP (1) EP1454010B1 (de)
JP (1) JP2005511910A (de)
CN (1) CN1599822A (de)
AT (1) ATE524598T1 (de)
AU (1) AU2002358366A1 (de)
BR (1) BR0213705A (de)
CA (1) CA2462264C (de)
SE (1) SE520707C2 (de)
WO (1) WO2003048448A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE538139T1 (de) * 2005-08-30 2012-01-15 Lanxess Deutschland Gmbh Verwendung von katalysatoren für den metatheseabbau von nitrilkautschuk
FI119062B (fi) * 2006-12-28 2008-07-15 Upm Kymmene Corp Menetelmä mekaanisen massan valmistamiseksi
SE542996C2 (en) * 2018-02-09 2020-09-22 Valmet Oy A system for transporting biomass material and a method for preventing blow back in said system

Family Cites Families (4)

* 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
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
CA2197190A1 (en) 1994-08-11 1996-02-22 Lewis D. Shackford Means for gas-sealingly conveying shredded pulp
SE514416C2 (sv) 1999-06-10 2001-02-19 Valmet Fibertech Ab Metod och system för gastät inmatning av massa till en reaktor för ozonblekning

Also Published As

Publication number Publication date
US7294227B2 (en) 2007-11-13
SE0104081D0 (sv) 2001-12-05
US20050121158A1 (en) 2005-06-09
CA2462264C (en) 2010-02-09
JP2005511910A (ja) 2005-04-28
WO2003048448A1 (en) 2003-06-12
BR0213705A (pt) 2004-10-26
AU2002358366A1 (en) 2003-06-17
SE520707C2 (sv) 2003-08-12
CA2462264A1 (en) 2003-06-12
SE0104081L (sv) 2003-06-06
EP1454010A1 (de) 2004-09-08
CN1599822A (zh) 2005-03-23
EP1454010B1 (de) 2011-09-14

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