BR9104366A - Metodo de deslignificacao de material fibroso celulosico triturado e aparelho para deslignificar polpa - Google Patents

Metodo de deslignificacao de material fibroso celulosico triturado e aparelho para deslignificar polpa

Info

Publication number
BR9104366A
BR9104366A BR919104366A BR9104366A BR9104366A BR 9104366 A BR9104366 A BR 9104366A BR 919104366 A BR919104366 A BR 919104366A BR 9104366 A BR9104366 A BR 9104366A BR 9104366 A BR9104366 A BR 9104366A
Authority
BR
Brazil
Prior art keywords
designification
pulp
designate
fibrous material
cellulosic fibrous
Prior art date
Application number
BR919104366A
Other languages
English (en)
Inventor
Joseph R Phillips
Brian F Greenwood
Thomas R Delcourt
Michael D Fahey
Stephen J Dunn
Jian Jiang
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 BR9104366A publication Critical patent/BR9104366A/pt

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)
BR919104366A 1990-12-27 1991-10-09 Metodo de deslignificacao de material fibroso celulosico triturado e aparelho para deslignificar polpa BR9104366A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9104366A true BR9104366A (pt) 1992-08-18

Family

ID=24539279

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919104366A BR9104366A (pt) 1990-12-27 1991-10-09 Metodo de deslignificacao de material fibroso celulosico triturado e aparelho para deslignificar polpa

Country Status (8)

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

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 (sv) * 1992-01-23 1993-07-24 Kamyr Ab Avskiljningsanordning samt foerfarande
ATE179469T1 (de) * 1995-07-26 1999-05-15 Beloit Technologies Inc Verfahren und vorrichtung zum zellstoffbleichen mit einem gasförmigen bleichmittel
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 (fi) * 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet
FR2620744A1 (fr) * 1987-09-17 1989-03-24 Degremont Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung

Also Published As

Publication number Publication date
ZA915144B (en) 1992-05-27
JPH04245989A (ja) 1992-09-02
AU7911691A (en) 1992-07-02
AU636766B2 (en) 1993-05-06
NO914169L (no) 1992-06-29
NO914169D0 (no) 1991-10-23
CA2044907A1 (en) 1992-06-28
FI915947A (fi) 1992-06-28
FI915947A0 (fi) 1991-12-18
EP0492039A1 (en) 1992-07-01

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee