FI965216A - Menetelmä korkean sakeuden omaavan lignoselluloosamassan valkaisemiseksi - Google Patents

Menetelmä korkean sakeuden omaavan lignoselluloosamassan valkaisemiseksi Download PDF

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Publication number
FI965216A
FI965216A FI965216A FI965216A FI965216A FI 965216 A FI965216 A FI 965216A FI 965216 A FI965216 A FI 965216A FI 965216 A FI965216 A FI 965216A FI 965216 A FI965216 A FI 965216A
Authority
FI
Finland
Prior art keywords
bleaching
high consistency
lignocellulose pulp
lignocellulose
pulp
Prior art date
Application number
FI965216A
Other languages
English (en)
Swedish (sv)
Other versions
FI965216A0 (fi
Inventor
Thomas P Gandek
Original Assignee
Union Camp Patent Holding
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 Union Camp Patent Holding filed Critical Union Camp Patent Holding
Publication of FI965216A0 publication Critical patent/FI965216A0/fi
Publication of FI965216A publication Critical patent/FI965216A/fi

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
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FI965216A 1994-07-14 1996-12-27 Menetelmä korkean sakeuden omaavan lignoselluloosamassan valkaisemiseksi FI965216A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27509594A 1994-07-14 1994-07-14
PCT/US1995/008691 WO1996002697A1 (en) 1994-07-14 1995-07-11 Improved bleaching of high consistency lignocellulosic pulp

Publications (2)

Publication Number Publication Date
FI965216A0 FI965216A0 (fi) 1996-12-27
FI965216A true FI965216A (fi) 1997-01-13

Family

ID=23050850

Family Applications (1)

Application Number Title Priority Date Filing Date
FI965216A FI965216A (fi) 1994-07-14 1996-12-27 Menetelmä korkean sakeuden omaavan lignoselluloosamassan valkaisemiseksi

Country Status (6)

Country Link
EP (1) EP0770157A4 (fi)
BR (1) BR9508224A (fi)
CA (1) CA2194962A1 (fi)
FI (1) FI965216A (fi)
WO (1) WO1996002697A1 (fi)
ZA (1) ZA955827B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO856097A0 (en) 1997-08-14 1997-09-04 Commonwealth Scientific And Industrial Research Organisation Vector
US6291226B1 (en) * 1999-02-25 2001-09-18 National Research Council Of Canada Adenovirus mutants with deleted protease gene
WO2011017532A2 (en) 2009-08-05 2011-02-10 International Paper Company Process for applying composition containing a cationic trivalent metal and debonder and fluff pulp sheet made from same
BR112012002427B1 (pt) 2009-08-05 2021-08-31 International Paper Company Processo para preparar uma folha de polpa fofa e folha de polpa fofa preparada pelo dito processo
MY162376A (en) 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
JP5816280B2 (ja) 2010-07-20 2015-11-18 インターナショナル・ペーパー・カンパニー 多価カチオン性金属とアミン含有帯電防止剤とを含有する組成物、およびそれらの製造方法と使用方法
EP2596167B1 (en) 2010-07-22 2017-03-22 International Paper Company Process for preparing fluff pulp sheet with cationic dye and debonder surfactant and fluff pulp sheet made from same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO131996C (fi) * 1973-10-04 1975-09-03 Papirind Forskningsinst
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
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
EP0492040A1 (en) * 1990-12-21 1992-07-01 Kamyr, Inc. Tumbling ozone reactor for paper pulp
ATE156539T1 (de) * 1991-05-24 1997-08-15 Union Camp Patent Holding Zweistufiger reaktor zum bleichen von zellstoff und verfahren zum bleichen mit ozon
EP0663030A4 (en) * 1992-10-01 1995-12-06 Union Camp Patent Holding IMPROVED BLEACHING OF HIGH CONSISTENCY pulp.

Also Published As

Publication number Publication date
ZA955827B (en) 1996-02-21
EP0770157A1 (en) 1997-05-02
BR9508224A (pt) 1997-10-28
EP0770157A4 (en) 1998-01-07
WO1996002697A1 (en) 1996-02-01
FI965216A0 (fi) 1996-12-27
CA2194962A1 (en) 1996-02-01

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Legal Events

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FD Application lapsed