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AU6325596A - Bleaching of lignocellulosic pulp with ozone and peracid - Google Patents

Bleaching of lignocellulosic pulp with ozone and peracid

Info

Publication number
AU6325596A
AU6325596A AU63255/96A AU6325596A AU6325596A AU 6325596 A AU6325596 A AU 6325596A AU 63255/96 A AU63255/96 A AU 63255/96A AU 6325596 A AU6325596 A AU 6325596A AU 6325596 A AU6325596 A AU 6325596A
Authority
AU
Australia
Prior art keywords
peracid
bleaching
ozone
lignocellulosic pulp
lignocellulosic
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU63255/96A
Inventor
Goran Annergren
Maria Boman
Rolf Boman
Solveig Norden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCA
Valmet AB
Original Assignee
SCA
Sunds Defibrator Industries AB
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 SCA, Sunds Defibrator Industries AB filed Critical SCA
Publication of AU6325596A publication Critical patent/AU6325596A/en
Abandoned legal-status Critical Current

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
    • D21C9/10—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
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU63255/96A 1995-06-29 1996-07-01 Bleaching of lignocellulosic pulp with ozone and peracid Abandoned AU6325596A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9502365 1995-06-29
SE9502365A SE506480C2 (en) 1995-06-29 1995-06-29 Bleaching of lignocellulosic fibrous material with ozone and peracid in a combination step
PCT/SE1996/000882 WO1997001667A1 (en) 1995-06-29 1996-07-01 Bleaching of lignocellulosic pulp with ozone and peracid

Publications (1)

Publication Number Publication Date
AU6325596A true AU6325596A (en) 1997-01-30

Family

ID=20398792

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63255/96A Abandoned AU6325596A (en) 1995-06-29 1996-07-01 Bleaching of lignocellulosic pulp with ozone and peracid

Country Status (3)

Country Link
AU (1) AU6325596A (en)
SE (1) SE506480C2 (en)
WO (1) WO1997001667A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI964715A (en) * 1996-11-26 1998-05-27 Keskuslaboratorio Method for bleaching cellulose pulp
KR100228740B1 (en) * 1997-06-30 1999-11-01 차동천 The bleaching method for mechanical pulp
FI112958B (en) * 1997-12-19 2004-02-13 Kemira Oyj Method for bleaching chemical pulp and use of bleaching solution

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1004974A3 (en) * 1991-06-06 1993-03-09 Interox Internat Sa Method for laundering and pasta delignification paper chemicals and application this method of laundering and the delignification of kraft pulp and pulp asam.
FR2692917A1 (en) * 1992-06-30 1993-12-31 Air Liquide Chemical pulp bleaching - using ozone followed by borohydride treatment, to avoid degradation during complementary bleaching step

Also Published As

Publication number Publication date
WO1997001667A1 (en) 1997-01-16
SE9502365D0 (en) 1995-06-29
SE506480C2 (en) 1997-12-22
SE9502365L (en) 1996-12-30

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