[go: up one dir, main page]

FI965216A7 - Method for bleaching high-consistency lignocellulosic pulp - Google Patents

Method for bleaching high-consistency lignocellulosic pulp Download PDF

Info

Publication number
FI965216A7
FI965216A7 FI965216A FI965216A FI965216A7 FI 965216 A7 FI965216 A7 FI 965216A7 FI 965216 A FI965216 A FI 965216A FI 965216 A FI965216 A FI 965216A FI 965216 A7 FI965216 A7 FI 965216A7
Authority
FI
Finland
Prior art keywords
lignocellulosic pulp
bleaching high
consistency
consistency lignocellulosic
bleaching
Prior art date
Application number
FI965216A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI965216L (en
FI965216A0 (en
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/en
Publication of FI965216L publication Critical patent/FI965216L/en
Publication of FI965216A7 publication Critical patent/FI965216A7/en

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 1995-07-11 Method for bleaching high-consistency lignocellulosic pulp FI965216A7 (en)

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 (3)

Publication Number Publication Date
FI965216A0 FI965216A0 (en) 1996-12-27
FI965216L FI965216L (en) 1997-01-13
FI965216A7 true FI965216A7 (en) 1997-01-13

Family

ID=23050850

Family Applications (1)

Application Number Title Priority Date Filing Date
FI965216A FI965216A7 (en) 1994-07-14 1995-07-11 Method for bleaching high-consistency lignocellulosic pulp

Country Status (6)

Country Link
EP (1) EP0770157A4 (en)
BR (1) BR9508224A (en)
CA (1) CA2194962A1 (en)
FI (1) FI965216A7 (en)
WO (1) WO1996002697A1 (en)
ZA (1) ZA955827B (en)

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
MY162376A (en) 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
BR112012002344B1 (en) 2009-08-05 2019-12-03 Int Paper Co process for preparing a fluffy pulp sheet, fluffy pulp sheet and absorbent product
EP2462276B1 (en) 2009-08-05 2014-11-05 International Paper Company Dry fluff pulp sheet additive
ES2952420T3 (en) 2010-07-20 2023-10-31 Int Paper Co Composition containing a multivalent cationic metal and an amine-containing antistatic agent and methods of manufacture and use
CN103003488B (en) 2010-07-22 2015-04-15 国际纸业公司 Method for producing fluff pulp sheet using cationic dye and debonder type surfactant and fluff pulp sheet produced by the method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO131996C (en) * 1973-10-04 1975-09-03 Papirind Forskningsinst
FI67413C (en) * 1977-04-27 1985-03-11 Myrens Verksted As FOERFARANDE FOER BEHANDLING AV FINFOERDELAD FIBERHALTIG ELLER CELLULOSAHALTIG MASS SAMT ANORDNING FOER UTFOERANDE AV FOERFARANDET
AT395180B (en) * 1989-08-16 1992-10-12 Andritz Ag Maschf METHOD FOR CRUSHING MATERIALS AND SYSTEM FOR IMPLEMENTING IT
EP0492040A1 (en) * 1990-12-21 1992-07-01 Kamyr, Inc. Tumbling ozone reactor for paper pulp
ES2106848T5 (en) * 1991-05-24 2001-09-01 Union Camp Patent Holding METHOD OF WHITENING WITH OZONE.
FI951533L (en) * 1992-10-01 1995-03-31 Union Camp Patent Holding Improved bleaching of high-consistency lignocellulosic pulp

Also Published As

Publication number Publication date
EP0770157A4 (en) 1998-01-07
CA2194962A1 (en) 1996-02-01
BR9508224A (en) 1997-10-28
FI965216L (en) 1997-01-13
ZA955827B (en) 1996-02-21
FI965216A0 (en) 1996-12-27
WO1996002697A1 (en) 1996-02-01
EP0770157A1 (en) 1997-05-02

Similar Documents

Publication Publication Date Title
FI942969L (en) Method for delignification of chemical pulp
FI941764L (en) Method for bleaching lignocellulosic pulp
FI962477A7 (en) Method for producing bleached cellulose pulp
FI944348A7 (en) Method for bleaching kraft pulp
FI932848A7 (en) Method for bleaching paper pulp
FI942968L (en) Method for delignification of chemical pulp
FI951745A7 (en) Method for reducing fluorescence from deinking paper pulp
FI942970A7 (en) Method for delignification of chemical pulp
FI931710A7 (en) Method for bleaching de-inked pulp
FI965216A7 (en) Method for bleaching high-consistency lignocellulosic pulp
FI960972L (en) Method for bleaching lignocellulosic pulp
FI964715L (en) Method for bleaching cellulose pulp
FI970821L (en) Pulp bleaching
FI974284L (en) Cellulose pulp bleaching method
FI942424L (en) Improved method for pulp bleaching
FI934705A7 (en) Method for bleaching lignocellulosic pulp
FI951166A7 (en) Pulp bleaching method
FI950785L (en) Method for bleaching pulp
FI900236A7 (en) Method for bleaching pulps for papermaking
FI950200L (en) Method for bleaching pulp
FI971023A7 (en) Method for bleaching kraft pulp
FI943388A7 (en) Method for bleaching paper pulp
FI964863A7 (en) Method for bleaching kraft pulp
FI955879A7 (en) Method for bleaching kraft pulp
FI944144A7 (en) Method for bleaching paper pulp

Legal Events

Date Code Title Description
FD Application lapsed