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)
Finnish (fi)
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 (fr) 1994-07-14 1995-07-11 Blanchiment ameliore d'une pate lignocellulosique tres concentree

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 (fr)
BR (1) BR9508224A (fr)
CA (1) CA2194962A1 (fr)
FI (1) FI965216A (fr)
WO (1) WO1996002697A1 (fr)
ZA (1) ZA955827B (fr)

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
CN104389221B (zh) 2009-08-05 2017-11-03 国际纸业公司 用于施加包含阳离子三价金属和解胶剂的组合物的方法以及由该方法制造的绒毛浆片材
ES2529104T3 (es) 2009-08-05 2015-02-16 International Paper Company Aditivo para láminas secas de pasta de papel esponjosa
MY162376A (en) 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
ES2952420T3 (es) 2010-07-20 2023-10-31 Int Paper Co Composición que contiene un metal catiónico multivalente y un agente antiestático que contiene amina y métodos de fabricación y uso
US8871054B2 (en) 2010-07-22 2014-10-28 International Paper Company Process for preparing fluff pulp sheet with cationic dye and debonder surfactant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO131996C (fr) * 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 (fr) * 1990-12-21 1992-07-01 Kamyr, Inc. Réacteur rotatif à ozone pour pâte à papier
ES2106848T5 (es) * 1991-05-24 2001-09-01 Union Camp Patent Holding Metodo de blanqueo con ozono.
AU671159B2 (en) * 1992-10-01 1996-08-15 Union Camp Patent Holding, Inc. Improved bleaching of high consistency lignocellulosic pulp

Also Published As

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

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Legal Events

Date Code Title Description
FD Application lapsed