ZA955827B - Bleaching of high consistency lignocellulosic pulp - Google Patents

Bleaching of high consistency lignocellulosic pulp

Info

Publication number
ZA955827B
ZA955827B ZA955827A ZA955827A ZA955827B ZA 955827 B ZA955827 B ZA 955827B ZA 955827 A ZA955827 A ZA 955827A ZA 955827 A ZA955827 A ZA 955827A ZA 955827 B ZA955827 B ZA 955827B
Authority
ZA
South Africa
Prior art keywords
bleaching
high consistency
lignocellulosic pulp
consistency lignocellulosic
pulp
Prior art date
Application number
ZA955827A
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 ZA955827B publication Critical patent/ZA955827B/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)
ZA955827A 1994-07-14 1995-07-13 Bleaching of high consistency lignocellulosic pulp ZA955827B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27509594A 1994-07-14 1994-07-14

Publications (1)

Publication Number Publication Date
ZA955827B true ZA955827B (en) 1996-02-21

Family

ID=23050850

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA955827A ZA955827B (en) 1994-07-14 1995-07-13 Bleaching of high consistency lignocellulosic 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
MY162376A (en) 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
PL2462276T3 (en) 2009-08-05 2015-04-30 Int Paper Co Dry fluff pulp sheet additive
PL2462277T3 (en) 2009-08-05 2015-04-30 Int Paper Co Process for applying composition containing a cationic trivalent metal and debonder and fluff pulp sheet made from same
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 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
NZ242792A (en) * 1991-05-24 1993-12-23 Union Camp Patent Holding Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage.
JPH08502327A (en) * 1992-10-01 1996-03-12 ユニオン キャムプ パテント ホールディング インコーポレーテッド Improved bleaching of high consistency lignocellulosic pulp

Also Published As

Publication number Publication date
BR9508224A (en) 1997-10-28
EP0770157A1 (en) 1997-05-02
FI965216A (en) 1997-01-13
FI965216A0 (en) 1996-12-27
EP0770157A4 (en) 1998-01-07
CA2194962A1 (en) 1996-02-01
WO1996002697A1 (en) 1996-02-01

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