AU2001290420A1 - Process and system for bleaching pulp with ozone wherein oxygen-rich gas is recycled - Google Patents

Process and system for bleaching pulp with ozone wherein oxygen-rich gas is recycled

Info

Publication number
AU2001290420A1
AU2001290420A1 AU2001290420A AU9042001A AU2001290420A1 AU 2001290420 A1 AU2001290420 A1 AU 2001290420A1 AU 2001290420 A AU2001290420 A AU 2001290420A AU 9042001 A AU9042001 A AU 9042001A AU 2001290420 A1 AU2001290420 A1 AU 2001290420A1
Authority
AU
Australia
Prior art keywords
ozone
recycled
oxygen
rich gas
bleaching pulp
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
AU2001290420A
Inventor
Monica Bokstrom
Roland Edstrom
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.)
Valmet Technologies Oy
Original Assignee
Metso Paper Oy
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 Metso Paper Oy filed Critical Metso Paper Oy
Publication of AU2001290420A1 publication Critical patent/AU2001290420A1/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU2001290420A 2000-09-22 2001-09-19 Process and system for bleaching pulp with ozone wherein oxygen-rich gas is recycled Abandoned AU2001290420A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0003391A SE0003391L (en) 2000-09-22 2000-09-22 Bleaching process and systems therefore
SE0003391 2000-09-22
PCT/SE2001/002002 WO2002025008A1 (en) 2000-09-22 2001-09-19 Process and system for bleaching pulp with ozone wherein oxygen-rich gas is recycled

Publications (1)

Publication Number Publication Date
AU2001290420A1 true AU2001290420A1 (en) 2002-04-02

Family

ID=20281121

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001290420A Abandoned AU2001290420A1 (en) 2000-09-22 2001-09-19 Process and system for bleaching pulp with ozone wherein oxygen-rich gas is recycled

Country Status (3)

Country Link
AU (1) AU2001290420A1 (en)
SE (1) SE0003391L (en)
WO (1) WO2002025008A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1150015A1 (en) * 2011-01-12 2012-07-13 Wallenius Water Ab Ozone bleaching of pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3632937A1 (en) * 1986-09-27 1988-03-31 Bbc Brown Boveri & Cie METHOD FOR PRODUCING OZONE
FI883026A (en) * 1987-06-25 1988-12-26 Voest Alpine Ind Anlagen FOERFARANDE FOER FRAMSTAELLNING AV RENT SYRE FOER DAEREFTER FOELJANDE FRAMSTAELLNING AV OZON.
AT392256B (en) * 1989-06-26 1991-02-25 Voest Alpine Ind Anlagen METHOD FOR PRODUCING OXYGEN AND / OR OZONE
WO1993018226A1 (en) * 1992-03-02 1993-09-16 Kamyr, Inc. Combined ozone destruction and fiber scrubbing in paper pulp mills
CA2078276C (en) * 1992-09-15 2004-05-25 Derek Hornsey Recovery of oxygen-rich gas from ozone bleaching processes

Also Published As

Publication number Publication date
SE0003391L (en) 2002-03-23
WO2002025008A1 (en) 2002-03-28
SE0003391D0 (en) 2000-09-22

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