FI965216A0 - Process for bleaching a high consistency lignocellulose pulp - Google Patents

Process for bleaching a high consistency lignocellulose pulp

Info

Publication number
FI965216A0
FI965216A0 FI965216A FI965216A FI965216A0 FI 965216 A0 FI965216 A0 FI 965216A0 FI 965216 A FI965216 A FI 965216A FI 965216 A FI965216 A FI 965216A FI 965216 A0 FI965216 A0 FI 965216A0
Authority
FI
Finland
Prior art keywords
bleaching
high consistency
lignocellulose pulp
lignocellulose
pulp
Prior art date
Application number
FI965216A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI965216A (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 FI965216A publication Critical patent/FI965216A/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
FI965216A 1994-07-14 1996-12-27 Process for bleaching a high consistency lignocellulose pulp FI965216A (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 (2)

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

Family

ID=23050850

Family Applications (1)

Application Number Title Priority Date Filing Date
FI965216A FI965216A (en) 1994-07-14 1996-12-27 Process for bleaching a high consistency lignocellulose pulp

Country Status (6)

Country Link
EP (1) EP0770157A4 (en)
BR (1) BR9508224A (en)
CA (1) CA2194962A1 (en)
FI (1) FI965216A (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
PT2462277E (en) 2009-08-05 2015-01-02 Int Paper Co Process for applying composition containing a cationic trivalent metal and debonder and fluff pulp sheet made from same
BR112012002427B1 (en) 2009-08-05 2021-08-31 International Paper Company Process for preparing a fluffy pulp sheet and fluffy pulp sheet prepared by said process
MY162376A (en) 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
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
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 (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
CA2068981C (en) * 1991-05-24 1996-08-27 Michael A. Pikulin Two stage pulp bleaching reactor
NZ256783A (en) * 1992-10-01 1996-08-27 Union Camp Patent Holding Bleaching high consistency lignocellulosic pulp from a first ge brightness to a second higher ge brightness by fluffing the pulp to a specific surface area of at least 90m2kg-1 followed by treatment with a gaseous bleaching agent

Also Published As

Publication number Publication date
FI965216A (en) 1997-01-13
WO1996002697A1 (en) 1996-02-01
ZA955827B (en) 1996-02-21
BR9508224A (en) 1997-10-28
EP0770157A1 (en) 1997-05-02
CA2194962A1 (en) 1996-02-01
EP0770157A4 (en) 1998-01-07

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Legal Events

Date Code Title Description
FD Application lapsed