CA2157291A1 - Procede pour la delignification d'une pate a papier chimique - Google Patents

Procede pour la delignification d'une pate a papier chimique

Info

Publication number
CA2157291A1
CA2157291A1 CA002157291A CA2157291A CA2157291A1 CA 2157291 A1 CA2157291 A1 CA 2157291A1 CA 002157291 A CA002157291 A CA 002157291A CA 2157291 A CA2157291 A CA 2157291A CA 2157291 A1 CA2157291 A1 CA 2157291A1
Authority
CA
Canada
Prior art keywords
process according
acid
peroxyacid
hydrogen peroxide
oxygen
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
CA002157291A
Other languages
English (en)
French (fr)
Inventor
Johan Devenyns
Nicholas A. Troughton
Francois Desprez
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.)
Solvay Chimie SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2157291A1 publication Critical patent/CA2157291A1/fr
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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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)
CA002157291A 1993-03-02 1994-02-24 Procede pour la delignification d'une pate a papier chimique Abandoned CA2157291A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9300196 1993-03-02
BE9300196A BE1006881A3 (fr) 1993-03-02 1993-03-02 Procede pour la delignification d'une pate a papier chimique.

Publications (1)

Publication Number Publication Date
CA2157291A1 true CA2157291A1 (fr) 1994-09-15

Family

ID=3886877

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002157291A Abandoned CA2157291A1 (fr) 1993-03-02 1994-02-24 Procede pour la delignification d'une pate a papier chimique

Country Status (10)

Country Link
EP (1) EP0687322A1 (de)
JP (1) JPH08507332A (de)
AU (1) AU6206094A (de)
BE (1) BE1006881A3 (de)
BR (1) BR9405943A (de)
CA (1) CA2157291A1 (de)
FI (1) FI954113A (de)
NO (1) NO953440L (de)
WO (1) WO1994020674A1 (de)
ZA (1) ZA941468B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2211223C (en) * 1995-02-17 2002-04-30 Ahlstrom Machinery Oy Method of pretreating pulp to be bleached with peroxide
FI117392B (fi) * 1999-03-02 2006-09-29 Kemira Oyj Monivaiheinen valkaisumenetelmä kemiallisen selluloosamassan valkaisemiseksi
US6899790B2 (en) 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
US6627041B2 (en) * 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
JP4967451B2 (ja) 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
BRPI0821031B1 (pt) 2007-12-20 2018-05-15 Mitsubishi Gas Chemical Company, Inc. Processo para produção de polpa alvejada

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69004492T3 (de) * 1989-06-06 2001-11-15 Eka Nobel Ab, Bohus Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
JPH0364589A (ja) * 1989-07-28 1991-03-19 Mitsubishi Gas Chem Co Inc 化学パルプの漂白方法
CA2053035C (en) * 1990-10-12 1997-09-30 Repap Enterprises Inc. Chlorine-free wood pulps and process of making
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon
BE1004974A3 (fr) * 1991-06-06 1993-03-09 Interox Internat Sa Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam.
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
BE1006881A3 (fr) 1995-01-17
JPH08507332A (ja) 1996-08-06
NO953440D0 (no) 1995-09-01
FI954113A (fi) 1995-10-04
WO1994020674A1 (fr) 1994-09-15
EP0687322A1 (de) 1995-12-20
ZA941468B (en) 1994-09-27
FI954113A0 (fi) 1995-09-01
AU6206094A (en) 1994-09-26
BR9405943A (pt) 1996-02-06
NO953440L (no) 1995-11-01

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Publication Publication Date Title
EP0578305B1 (de) Verfahren zur Delignifizierung von chemischen Zellstoffen
BE1006056A3 (fr) Procede pour le blanchiment d'une pate a papier chimique.
BE1007651A3 (fr) Procede pour le blanchiment d'une pate a papier chimique.
EP0578303B1 (de) Verfahren zur Delignifizierung von chemischen Zellstoffen
BE1004630A3 (fr) Procede pour la preservation des caracteristiques de resistance mecanique des pates a papier chimiques.
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BE1006881A3 (fr) Procede pour la delignification d'une pate a papier chimique.
EP0535741B1 (de) Verfahren zur Verbesserung der Selektivität bei der Delignifizierung von chemischem Zellstoff
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CA2079730A1 (fr) Procede pour l'amelioration de la selectivite de la delignification d'une pate a papier chimique

Legal Events

Date Code Title Description
FZDE Dead