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AU7011794A - Reactor for ozone bleaching - Google Patents

Reactor for ozone bleaching

Info

Publication number
AU7011794A
AU7011794A AU70117/94A AU7011794A AU7011794A AU 7011794 A AU7011794 A AU 7011794A AU 70117/94 A AU70117/94 A AU 70117/94A AU 7011794 A AU7011794 A AU 7011794A AU 7011794 A AU7011794 A AU 7011794A
Authority
AU
Australia
Prior art keywords
reactor
ozone bleaching
bleaching
ozone
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
AU70117/94A
Inventor
Hasse Borjesson
Christen Gronvold-Hansen
Ronny Hoglund
Torbjorn Kvarnstrom
Axel Lamas
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.)
Metso Fiber Karlstad AB
Original Assignee
Kvaerner Pulping Technologies 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 Kvaerner Pulping Technologies AB filed Critical Kvaerner Pulping Technologies AB
Publication of AU7011794A publication Critical patent/AU7011794A/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU70117/94A 1993-06-11 1994-06-06 Reactor for ozone bleaching Abandoned AU7011794A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9302011 1993-06-11
SE9302011A SE502666C2 (en) 1993-06-11 1993-06-11 Reactor with stirrer for ozone bleaching
PCT/SE1994/000542 WO1994029513A1 (en) 1993-06-11 1994-06-06 Reactor for ozone bleaching

Publications (1)

Publication Number Publication Date
AU7011794A true AU7011794A (en) 1995-01-03

Family

ID=20390245

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70117/94A Abandoned AU7011794A (en) 1993-06-11 1994-06-06 Reactor for ozone bleaching

Country Status (3)

Country Link
AU (1) AU7011794A (en)
SE (1) SE502666C2 (en)
WO (1) WO1994029513A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019124527A1 (en) * 2017-12-20 2019-06-27 ユニ・チャーム株式会社 Method for evaluating degree of cleanliness of recycled material, method for manufacturing recycled material, recycled pulp fiber, and method for manufacturing recycled pulp fiber
EP3712323B1 (en) * 2017-12-20 2025-11-05 Unicharm Corporation Method for manufacturing recycled pulp fibers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1801442A1 (en) * 1967-10-20 1969-05-29 Stadler Hurter Internat Ltd Agitator mixer
US3966542A (en) * 1974-09-20 1976-06-29 General Signal Corporation Multi-stage bleaching of pulp using successively lower power levels
US4303470A (en) * 1979-06-15 1981-12-01 Weyerhaeuser Company Method and apparatus for mixing gases with a wood pulp slurry
WO1985000046A1 (en) * 1983-06-14 1985-01-03 Weyerhaeuser Company Low consistency ozone bleaching reactor

Also Published As

Publication number Publication date
WO1994029513A1 (en) 1994-12-22
SE9302011L (en) 1994-12-12
SE502666C2 (en) 1995-12-04
SE9302011D0 (en) 1993-06-11

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