AU7011894A - Ozone bleaching - Google Patents

Ozone bleaching

Info

Publication number
AU7011894A
AU7011894A AU70118/94A AU7011894A AU7011894A AU 7011894 A AU7011894 A AU 7011894A AU 70118/94 A AU70118/94 A AU 70118/94A AU 7011894 A AU7011894 A AU 7011894A AU 7011894 A AU7011894 A AU 7011894A
Authority
AU
Australia
Prior art keywords
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
AU70118/94A
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 AU7011894A publication Critical patent/AU7011894A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
AU70118/94A 1993-06-11 1994-06-06 Ozone bleaching Abandoned AU7011894A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9302010 1993-06-11
SE9302010A SE502665C2 (en) 1993-06-11 1993-06-11 Methods and reactor for ozone bleaching
PCT/SE1994/000543 WO1994029514A1 (en) 1993-06-11 1994-06-06 Ozone bleaching

Publications (1)

Publication Number Publication Date
AU7011894A true AU7011894A (en) 1995-01-03

Family

ID=20390244

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70118/94A Abandoned AU7011894A (en) 1993-06-11 1994-06-06 Ozone bleaching

Country Status (3)

Country Link
AU (1) AU7011894A (en)
SE (1) SE502665C2 (en)
WO (1) WO1994029514A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504803C2 (en) * 1995-08-24 1997-04-28 Sunds Defibrator Ind Ab Treatment of pulp with complexing agents in at least two mixing steps without intermediate washing
WO1997046310A1 (en) * 1996-06-03 1997-12-11 Beloit Technologies, Inc. High turbulence mixer
SE508239C2 (en) * 1997-01-03 1998-09-21 Sunds Defibrator Ind Ab Treatment of pulp with complexing agents in at least one mixing step, without the use of the bleaching tower
EP1586366A1 (en) 2004-04-13 2005-10-19 Sulzer Pumpen Ag A method, an apparatus and a rotor for homogenizing a medium
RU2456063C1 (en) * 2010-12-02 2012-07-20 Геннадий Анатольевич Шаталов Flow mixer of fluids and gases

Family Cites Families (3)

* 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
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone

Also Published As

Publication number Publication date
WO1994029514A1 (en) 1994-12-22
SE9302010L (en) 1994-12-12
SE9302010D0 (en) 1993-06-11
SE502665C2 (en) 1995-12-04

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