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BR9702127A - Processo para a deslignificação com o oxigênio de uma polpa de papel - Google Patents

Processo para a deslignificação com o oxigênio de uma polpa de papel

Info

Publication number
BR9702127A
BR9702127A BR9702127A BR9702127A BR9702127A BR 9702127 A BR9702127 A BR 9702127A BR 9702127 A BR9702127 A BR 9702127A BR 9702127 A BR9702127 A BR 9702127A BR 9702127 A BR9702127 A BR 9702127A
Authority
BR
Brazil
Prior art keywords
paper pulp
oxygen delignification
delignification
oxygen
pulp
Prior art date
Application number
BR9702127A
Other languages
English (en)
Inventor
Henry Ledon
Pierre Larnicol
Michel Muguet
Jean-Marc Rabillier
Original Assignee
Air Liquide
Chemoxal Sa
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 Air Liquide, Chemoxal Sa filed Critical Air Liquide
Publication of BR9702127A publication Critical patent/BR9702127A/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
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR9702127A 1996-04-12 1997-04-11 Processo para a deslignificação com o oxigênio de uma polpa de papel BR9702127A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604627A FR2747406B1 (fr) 1996-04-12 1996-04-12 Procede de delignification a l'oxygene d'une pate a papier
PCT/FR1997/000647 WO1997039180A1 (fr) 1996-04-12 1997-04-11 Procede de delignification a l'oxygene d'une pate a papier

Publications (1)

Publication Number Publication Date
BR9702127A true BR9702127A (pt) 1999-01-05

Family

ID=9491170

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9702127A BR9702127A (pt) 1996-04-12 1997-04-11 Processo para a deslignificação com o oxigênio de uma polpa de papel

Country Status (8)

Country Link
EP (1) EP0832322A1 (pt)
JP (1) JPH11508001A (pt)
AU (1) AU711672B2 (pt)
BR (1) BR9702127A (pt)
CA (1) CA2224713A1 (pt)
FR (1) FR2747406B1 (pt)
ID (1) ID16579A (pt)
WO (1) WO1997039180A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6627041B2 (en) * 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
US6899790B2 (en) 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
BE1006057A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour la delignification d'une pate a papier chimique.

Also Published As

Publication number Publication date
FR2747406A1 (fr) 1997-10-17
FR2747406B1 (fr) 1998-08-28
WO1997039180A1 (fr) 1997-10-23
EP0832322A1 (fr) 1998-04-01
JPH11508001A (ja) 1999-07-13
AU2641597A (en) 1997-11-07
ID16579A (id) 1997-10-16
CA2224713A1 (fr) 1997-10-23
AU711672B2 (en) 1999-10-21

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired