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AU7911691A - Pneumatic reactor ozone bleaching of paper pulp - Google Patents

Pneumatic reactor ozone bleaching of paper pulp

Info

Publication number
AU7911691A
AU7911691A AU79116/91A AU7911691A AU7911691A AU 7911691 A AU7911691 A AU 7911691A AU 79116/91 A AU79116/91 A AU 79116/91A AU 7911691 A AU7911691 A AU 7911691A AU 7911691 A AU7911691 A AU 7911691A
Authority
AU
Australia
Prior art keywords
paper pulp
ozone bleaching
pneumatic
reactor ozone
pneumatic reactor
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.)
Granted
Application number
AU79116/91A
Other versions
AU636766B2 (en
Inventor
Thomas R. Delcourt
Stephen J. Dunn
Michael D. Fahey
Brian F. Greenwood
Jian Jiang
Joseph R. Phillips
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.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of AU7911691A publication Critical patent/AU7911691A/en
Application granted granted Critical
Publication of AU636766B2 publication Critical patent/AU636766B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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)
AU79116/91A 1990-12-27 1991-06-18 Pneumatic reactor ozone bleaching of paper pulp Ceased AU636766B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63334790A 1990-12-27 1990-12-27
US633347 1990-12-27

Publications (2)

Publication Number Publication Date
AU7911691A true AU7911691A (en) 1992-07-02
AU636766B2 AU636766B2 (en) 1993-05-06

Family

ID=24539279

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79116/91A Ceased AU636766B2 (en) 1990-12-27 1991-06-18 Pneumatic reactor ozone bleaching of paper pulp

Country Status (8)

Country Link
EP (1) EP0492039A1 (en)
JP (1) JPH04245989A (en)
AU (1) AU636766B2 (en)
BR (1) BR9104366A (en)
CA (1) CA2044907A1 (en)
FI (1) FI915947A (en)
NO (1) NO914169L (en)
ZA (1) ZA915144B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU646267B2 (en) * 1991-02-06 1994-02-17 Beloit Technologies, Inc. Method and apparatus for treating fibrous materials with a gaseous reagent
AU654854B2 (en) * 1991-05-24 1994-11-24 Union Camp Patent Holding, Inc. Two stage pulp bleaching reactor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
SE9200183L (en) * 1992-01-23 1993-07-24 Kamyr Ab SEPARATORY DEVICE AND PROCEDURE
EP0840820B1 (en) * 1995-07-26 1999-04-28 Beloit Technologies, Inc. Method and apparatus for bleaching pulp with a gaseous bleaching reagent
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814664A (en) * 1972-09-11 1974-06-04 Improved Machinery Inc Gaseous reaction apparatus including a peripheral gas receiving chamber
FI67413C (en) * 1977-04-27 1985-03-11 Myrens Verksted As FOERFARANDE FOER BEHANDLING AV FINFOERDELAD FIBERHALTIG ELLER CELLULOSAHALTIG MASS SAMT ANORDNING FOER UTFOERANDE AV FOERFARANDET
FR2620744A1 (en) * 1987-09-17 1989-03-24 Degremont PROCESS FOR THE OZONE TREATMENT OF LIGNO-CELLULOSIC MATERIALS, IN PARTICULAR PAPER PULP AND REACTOR FOR THE IMPLEMENTATION OF SAID METHOD
AT395180B (en) * 1989-08-16 1992-10-12 Andritz Ag Maschf METHOD FOR CRUSHING MATERIALS AND SYSTEM FOR IMPLEMENTING IT

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU646267B2 (en) * 1991-02-06 1994-02-17 Beloit Technologies, Inc. Method and apparatus for treating fibrous materials with a gaseous reagent
AU654854B2 (en) * 1991-05-24 1994-11-24 Union Camp Patent Holding, Inc. Two stage pulp bleaching reactor

Also Published As

Publication number Publication date
JPH04245989A (en) 1992-09-02
AU636766B2 (en) 1993-05-06
FI915947A0 (en) 1991-12-18
FI915947A (en) 1992-06-28
CA2044907A1 (en) 1992-06-28
NO914169L (en) 1992-06-29
ZA915144B (en) 1992-05-27
NO914169D0 (en) 1991-10-23
EP0492039A1 (en) 1992-07-01
BR9104366A (en) 1992-08-18

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