FR2743094B1 - Procede de blanchiment des pates a papier chimiques - Google Patents

Procede de blanchiment des pates a papier chimiques

Info

Publication number
FR2743094B1
FR2743094B1 FR9515833A FR9515833A FR2743094B1 FR 2743094 B1 FR2743094 B1 FR 2743094B1 FR 9515833 A FR9515833 A FR 9515833A FR 9515833 A FR9515833 A FR 9515833A FR 2743094 B1 FR2743094 B1 FR 2743094B1
Authority
FR
France
Prior art keywords
chemical pulp
bleaching chemical
bleaching
pulp
chemical
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.)
Expired - Fee Related
Application number
FR9515833A
Other languages
English (en)
Other versions
FR2743094A1 (fr
Inventor
Christine Chirat
Dominique Lachenal
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.)
Centre Technique de lIndustrie des Papiers Cartons et Celluloses
Original Assignee
Centre Technique de lIndustrie des Papiers Cartons et Celluloses
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 Centre Technique de lIndustrie des Papiers Cartons et Celluloses filed Critical Centre Technique de lIndustrie des Papiers Cartons et Celluloses
Priority to FR9515833A priority Critical patent/FR2743094B1/fr
Publication of FR2743094A1 publication Critical patent/FR2743094A1/fr
Application granted granted Critical
Publication of FR2743094B1 publication Critical patent/FR2743094B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR9515833A 1995-12-27 1995-12-27 Procede de blanchiment des pates a papier chimiques Expired - Fee Related FR2743094B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9515833A FR2743094B1 (fr) 1995-12-27 1995-12-27 Procede de blanchiment des pates a papier chimiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9515833A FR2743094B1 (fr) 1995-12-27 1995-12-27 Procede de blanchiment des pates a papier chimiques

Publications (2)

Publication Number Publication Date
FR2743094A1 FR2743094A1 (fr) 1997-07-04
FR2743094B1 true FR2743094B1 (fr) 1998-02-13

Family

ID=9486228

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9515833A Expired - Fee Related FR2743094B1 (fr) 1995-12-27 1995-12-27 Procede de blanchiment des pates a papier chimiques

Country Status (1)

Country Link
FR (1) FR2743094B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2768442B1 (fr) * 1997-09-15 1999-10-15 Air Liquide Procede de blanchiment d'une pate a papier avec de l'ozone et du dioxyde de chlore
AU8642698A (en) * 1998-07-31 2000-02-28 Asia Pulp & Paper Co Ltd An improved method for bleaching pulp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467260B (sv) * 1989-12-29 1992-06-22 Kamyr Ab Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
FR2663348B1 (fr) * 1990-06-19 1995-04-07 Centre Tech Ind Papier Procede pour ameliorer le blanchiment des pates papetieres chimiques au moyen de l'ozone et pates ainsi traitees.
JPH06506271A (ja) * 1991-04-08 1994-07-14 インターナショナル・ペーパー・カンパニー Ｄｚｄ漂白配列の使用による漂白排水からの着色物質の低減方法
ZA93224B (en) * 1992-01-22 1993-08-18 Olin Corp Gas phase delignification of lignocellulosic material.

Also Published As

Publication number Publication date
FR2743094A1 (fr) 1997-07-04

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090831