ZA915144B - Pneumatic reactor ozone bleaching of paper pulp - Google Patents

Pneumatic reactor ozone bleaching of paper pulp

Info

Publication number
ZA915144B
ZA915144B ZA915144A ZA915144A ZA915144B ZA 915144 B ZA915144 B ZA 915144B ZA 915144 A ZA915144 A ZA 915144A ZA 915144 A ZA915144 A ZA 915144A ZA 915144 B ZA915144 B ZA 915144B
Authority
ZA
South Africa
Prior art keywords
paper pulp
ozone bleaching
pneumatic
reactor ozone
pneumatic reactor
Prior art date
Application number
ZA915144A
Inventor
Joseph R Phillips
R Phillips Joseph
Brian F Greenwood
F Greenwood Brian
Thomas R Delcourt
R Delcourt Thomas
Michael D Fahey
D Fahey Michael
Stephen J Dunn
J Dunn Stephen
Jian Jiang
Jiang Jian
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 ZA915144B publication Critical patent/ZA915144B/en

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)
ZA915144A 1990-12-27 1991-07-03 Pneumatic reactor ozone bleaching of paper pulp ZA915144B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA915144B true ZA915144B (en) 1992-05-27

Family

ID=24539279

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA915144A ZA915144B (en) 1990-12-27 1991-07-03 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)

Families Citing this family (6)

* 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
CA2046717A1 (en) * 1991-02-06 1992-08-07 Beloit Technologies, Inc. Method and apparatus for treating fibrous materials with a gaseous reagent
NZ242792A (en) * 1991-05-24 1993-12-23 Union Camp Patent Holding Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage.
SE9200183L (en) * 1992-01-23 1993-07-24 Kamyr Ab SEPARATORY DEVICE AND PROCEDURE
DE69602269T2 (en) * 1995-07-26 1999-09-16 Beloit Technologies, Inc. METHOD AND DEVICE FOR FURNISHING CELLS WITH A GASEOUS BLEACH
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

Also Published As

Publication number Publication date
NO914169D0 (en) 1991-10-23
EP0492039A1 (en) 1992-07-01
JPH04245989A (en) 1992-09-02
AU7911691A (en) 1992-07-02
BR9104366A (en) 1992-08-18
CA2044907A1 (en) 1992-06-28
FI915947A (en) 1992-06-28
NO914169L (en) 1992-06-29
AU636766B2 (en) 1993-05-06
FI915947A0 (en) 1991-12-18

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