AU5056198A - Bleaching of cellulosic pulp with ozone and peracid - Google Patents

Bleaching of cellulosic pulp with ozone and peracid

Info

Publication number
AU5056198A
AU5056198A AU50561/98A AU5056198A AU5056198A AU 5056198 A AU5056198 A AU 5056198A AU 50561/98 A AU50561/98 A AU 50561/98A AU 5056198 A AU5056198 A AU 5056198A AU 5056198 A AU5056198 A AU 5056198A
Authority
AU
Australia
Prior art keywords
peracid
bleaching
ozone
cellulosic pulp
cellulosic
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
AU50561/98A
Inventor
Agneta Fuhrmann
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.)
Keskuslaboratorio-Centrallaboratorium Oy AB
Original Assignee
KESKUSLABORATORIO
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 KESKUSLABORATORIO filed Critical KESKUSLABORATORIO
Publication of AU5056198A publication Critical patent/AU5056198A/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU50561/98A 1996-11-26 1997-11-26 Bleaching of cellulosic pulp with ozone and peracid Abandoned AU5056198A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI964715 1996-11-26
FI964715A FI964715A (en) 1996-11-26 1996-11-26 Method for bleaching cellulose pulp
PCT/FI1997/000730 WO1998023811A1 (en) 1996-11-26 1997-11-26 Bleaching of cellulosic pulp with ozone and peracid

Publications (1)

Publication Number Publication Date
AU5056198A true AU5056198A (en) 1998-06-22

Family

ID=8547143

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50561/98A Abandoned AU5056198A (en) 1996-11-26 1997-11-26 Bleaching of cellulosic pulp with ozone and peracid

Country Status (5)

Country Link
EP (1) EP0946819A1 (en)
AU (1) AU5056198A (en)
CA (1) CA2270967A1 (en)
FI (1) FI964715A (en)
WO (1) WO1998023811A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI112958B (en) * 1997-12-19 2004-02-13 Kemira Oyj Method for bleaching chemical pulp and use of bleaching solution
CA2326311A1 (en) * 1999-11-19 2001-05-19 Praxair Technology, Inc. Method for applying activated ozone in pulp bleaching
GB2382592A (en) * 2001-11-30 2003-06-04 Sca Hygiene Prod Gmbh Use of ozone to enhance the wet strength of fibrous cellulosic material
FI127996B (en) 2016-07-01 2019-07-15 Kemira Oyj A process for treating pulp
WO2019048698A1 (en) * 2017-09-11 2019-03-14 Kemira Oyj Process for treating pulp
RU2724362C1 (en) * 2019-07-04 2020-06-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна (СПбГУПТД)" Method of bleaching cellulose

Family Cites Families (5)

* 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
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US5411635A (en) * 1993-03-22 1995-05-02 The Research Foundation Of State University Of New York Ozone/peroxymonosulfate process for delignifying a lignocellulosic material
SE506480C2 (en) * 1995-06-29 1997-12-22 Sca Graphic Res Ab Bleaching of lignocellulosic fibrous material with ozone and peracid in a combination step

Also Published As

Publication number Publication date
FI964715A (en) 1998-05-27
WO1998023811A1 (en) 1998-06-04
FI964715A0 (en) 1996-11-26
EP0946819A1 (en) 1999-10-06
CA2270967A1 (en) 1998-06-04

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