FR2747408B1 - Procede pour la delignification et/ou le blanchiment d'une pate a papier - Google Patents

Procede pour la delignification et/ou le blanchiment d'une pate a papier

Info

Publication number
FR2747408B1
FR2747408B1 FR9604628A FR9604628A FR2747408B1 FR 2747408 B1 FR2747408 B1 FR 2747408B1 FR 9604628 A FR9604628 A FR 9604628A FR 9604628 A FR9604628 A FR 9604628A FR 2747408 B1 FR2747408 B1 FR 2747408B1
Authority
FR
France
Prior art keywords
delignification
bleaching
pulp
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
FR9604628A
Other languages
English (en)
Other versions
FR2747408A1 (fr
Inventor
Thierry Delagoutte
Dominique Lachenal
Henry Ledon
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR9604628A priority Critical patent/FR2747408B1/fr
Priority to EP97400799A priority patent/EP0801170A1/fr
Priority to JP9415497A priority patent/JPH1037089A/ja
Priority to CA 2202445 priority patent/CA2202445A1/fr
Priority to CN 97110725 priority patent/CN1166553A/zh
Publication of FR2747408A1 publication Critical patent/FR2747408A1/fr
Application granted granted Critical
Publication of FR2747408B1 publication Critical patent/FR2747408B1/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR9604628A 1996-04-12 1996-04-12 Procede pour la delignification et/ou le blanchiment d'une pate a papier Expired - Fee Related FR2747408B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9604628A FR2747408B1 (fr) 1996-04-12 1996-04-12 Procede pour la delignification et/ou le blanchiment d'une pate a papier
EP97400799A EP0801170A1 (fr) 1996-04-12 1997-04-08 Procédé pour la délignification et/ou le blanchiment d'une pâte à papier
JP9415497A JPH1037089A (ja) 1996-04-12 1997-04-11 紙パルプの脱リグニンおよび／または漂白方法
CA 2202445 CA2202445A1 (fr) 1996-04-12 1997-04-11 Processus de delignification et/ou de blanchiment de la pate a papier
CN 97110725 CN1166553A (zh) 1996-04-12 1997-04-11 纸浆的脱木素和/或漂白方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9604628A FR2747408B1 (fr) 1996-04-12 1996-04-12 Procede pour la delignification et/ou le blanchiment d'une pate a papier

Publications (2)

Publication Number Publication Date
FR2747408A1 FR2747408A1 (fr) 1997-10-17
FR2747408B1 true FR2747408B1 (fr) 1998-05-15

Family

ID=9491171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9604628A Expired - Fee Related FR2747408B1 (fr) 1996-04-12 1996-04-12 Procede pour la delignification et/ou le blanchiment d'une pate a papier

Country Status (1)

Country Link
FR (1) FR2747408B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL50696C (fr) * 1938-09-14
FR1553704A (fr) * 1966-05-31 1969-01-17
JP3046628B2 (ja) * 1991-01-23 2000-05-29 日本パーオキサイド株式会社 過酢酸組成物の製造方法
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
FR2747408A1 (fr) 1997-10-17

Similar Documents

Publication Publication Date Title
AR243946A1 (es) Procedimiento para blanquear pulpas, sin usar cloro.
FR2646446B1 (fr) Procede de delignification a l'oxygene de pate a papier
AU8316991A (en) Method for controlling stickies in pulp and papermaking processes using recycled paper
FR2632668B1 (fr) Feutre pour la section de presse d'une machine a papier
FR2641803B1 (fr) Procede pour delivrer de la pate a papier sur la toile metallique d'une machine a papier
FI882905A0 (fi) Laite kuitupitoisen selluloosamassan suspension jakamiseksi
AU7026591A (en) Doctor blade for pulp or papermaking machine doctors
FR2719854B1 (fr) Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
NO920405L (no) Fremgangsmaate ved raffinering av papirmasse
FR2666597B1 (fr) Procede sans chlore moleculaire pour le blanchiment de la pate a papier.
GB2287724B (en) Process and agent for the oxidative bleaching of wood pulp and/or deinking waste paper
MA22460A1 (fr) Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft
FR2679933B1 (fr) Procede d'extinction et de caustification en une seule etape pour la production de pate de cellulose.
FR2747407B1 (fr) Procede de delignification et de blanchiment de pates a papier chimiques
FR2747408B1 (fr) Procede pour la delignification et/ou le blanchiment d'une pate a papier
FR2754550B1 (fr) Procede pour la delignification et/ou le blanchiment d'une pate a papier
FR2768442B1 (fr) Procede de blanchiment d'une pate a papier avec de l'ozone et du dioxyde de chlore
ZA911062B (en) Bleaching of paper pulp
FR2576930B1 (fr) Procede pour la delignification et le blanchiment de pate a papier chimique ou semi-chimique de bagasse
ZA955827B (en) Bleaching of high consistency lignocellulosic pulp
ZA924021B (en) Process for the bleaching and delignification of chemical paper pulps and application of this process to the bleaching and delignification of kraft pulps and of asam pulps
ZA941468B (en) Process for the delignification of a chemical paper pulp
ZA991903B (en) Process for the bleaching and/or delignification of paper pulps.
FR2747406B1 (fr) Procede de delignification a l'oxygene d'une pate a papier
FR2719853B1 (fr) Procédé de délignification et de blanchiment d'une pâte à papier chimique.

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20081231