FR2572431B1 - Procede pour la preparation des pates papetieres chimiques en vue du blanchiment. - Google Patents

Procede pour la preparation des pates papetieres chimiques en vue du blanchiment.

Info

Publication number
FR2572431B1
FR2572431B1 FR8416518A FR8416518A FR2572431B1 FR 2572431 B1 FR2572431 B1 FR 2572431B1 FR 8416518 A FR8416518 A FR 8416518A FR 8416518 A FR8416518 A FR 8416518A FR 2572431 B1 FR2572431 B1 FR 2572431B1
Authority
FR
France
Prior art keywords
bleaching
preparation
paper pulp
chemical paper
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
Application number
FR8416518A
Other languages
English (en)
French (fr)
Other versions
FR2572431A1 (fr
Inventor
Dominique Lachenal
Christian De Choudens
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 TECH IND PAPIER
Original Assignee
CENTRE TECH IND PAPIER
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9309092&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2572431(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by CENTRE TECH IND PAPIER filed Critical CENTRE TECH IND PAPIER
Priority to FR8416518A priority Critical patent/FR2572431B1/fr
Priority to DE198585420187T priority patent/DE180529T1/de
Priority to AT85420187T priority patent/ATE35433T1/de
Priority to DE8585420187T priority patent/DE3563548D1/de
Priority to EP85420187A priority patent/EP0180529B2/fr
Priority to FI854148A priority patent/FI82726C/fi
Priority to CA000493708A priority patent/CA1273755A/fr
Priority to ES548166A priority patent/ES8606557A1/es
Priority to JP60239261A priority patent/JPS61102495A/ja
Priority to AU49108/85A priority patent/AU576394B2/en
Publication of FR2572431A1 publication Critical patent/FR2572431A1/fr
Publication of FR2572431B1 publication Critical patent/FR2572431B1/fr
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/12Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144Bleaching ; 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)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
FR8416518A 1984-10-25 1984-10-25 Procede pour la preparation des pates papetieres chimiques en vue du blanchiment. Expired FR2572431B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR8416518A FR2572431B1 (fr) 1984-10-25 1984-10-25 Procede pour la preparation des pates papetieres chimiques en vue du blanchiment.
DE198585420187T DE180529T1 (de) 1984-10-25 1985-10-22 Verfahren zur bereitstellung von chemischen holzpulpen hinsichtlich der bleiche.
AT85420187T ATE35433T1 (de) 1984-10-25 1985-10-22 Verfahren zur bereitstellung von chemischen holzpulpen hinsichtlich der bleiche.
DE8585420187T DE3563548D1 (en) 1984-10-25 1985-10-22 Process for preparing chemical wood pulps with a view to bleaching
EP85420187A EP0180529B2 (fr) 1984-10-25 1985-10-22 Procédé pour la préparation des pâtes papetières chimiques en vue du blanchiment
FI854148A FI82726C (fi) 1984-10-25 1985-10-23 Foerfarande foer framstaellning av kemiska pappersmassor foer blekning.
CA000493708A CA1273755A (fr) 1984-10-25 1985-10-24 Procede pour la preparation des pates papetieres chimiques en vue du blanchiment
ES548166A ES8606557A1 (es) 1984-10-25 1985-10-24 Procedimiento para preparar pastas papeleras quimicas con vistas a su blanqueo
JP60239261A JPS61102495A (ja) 1984-10-25 1985-10-25 漂白による化学的製紙用パルプの製造方法
AU49108/85A AU576394B2 (en) 1984-10-25 1985-10-25 Process for the preparation of chemical paper pulp for bleaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8416518A FR2572431B1 (fr) 1984-10-25 1984-10-25 Procede pour la preparation des pates papetieres chimiques en vue du blanchiment.

Publications (2)

Publication Number Publication Date
FR2572431A1 FR2572431A1 (fr) 1986-05-02
FR2572431B1 true FR2572431B1 (fr) 1987-12-04

Family

ID=9309092

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8416518A Expired FR2572431B1 (fr) 1984-10-25 1984-10-25 Procede pour la preparation des pates papetieres chimiques en vue du blanchiment.

Country Status (9)

Country Link
EP (1) EP0180529B2 (fi)
JP (1) JPS61102495A (fi)
AT (1) ATE35433T1 (fi)
AU (1) AU576394B2 (fi)
CA (1) CA1273755A (fi)
DE (2) DE180529T1 (fi)
ES (1) ES8606557A1 (fi)
FI (1) FI82726C (fi)
FR (1) FR2572431B1 (fi)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1544216A (en) * 1921-08-11 1925-06-30 Donald J Campbell Molding apparatus
GB1262655A (en) * 1968-09-20 1972-02-02 Canadian Ind Bleaching of wood pulp
JPS51102103A (en) * 1975-03-05 1976-09-09 Nippon Parupu Kogyo Kk Ryusanenhoparupuno hyohakuhoho
DE2538673C2 (de) * 1975-08-30 1986-01-16 Degussa Ag, 6000 Frankfurt Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz
US4402788A (en) * 1982-04-26 1983-09-06 Champion International Corporation Process for bleaching wood pulp with hydrogen peroxide

Also Published As

Publication number Publication date
EP0180529B2 (fr) 1992-04-08
ES8606557A1 (es) 1986-04-01
ES548166A0 (es) 1986-04-01
FI854148A0 (fi) 1985-10-23
EP0180529B1 (fr) 1988-06-29
FR2572431A1 (fr) 1986-05-02
FI854148L (fi) 1986-04-26
EP0180529A1 (fr) 1986-05-07
DE180529T1 (de) 1986-12-18
CA1273755A (fr) 1990-09-11
FI82726B (fi) 1990-12-31
AU576394B2 (en) 1988-08-25
ATE35433T1 (de) 1988-07-15
DE3563548D1 (en) 1988-08-04
JPS61102495A (ja) 1986-05-21
AU4910885A (en) 1986-05-29
FI82726C (fi) 1991-04-10

Similar Documents

Publication Publication Date Title
FR2457339A1 (fr) Procede pour la delignification et le blanchiment de pates cellulosiques chimiques et semi-chimiques
ATE54475T1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
ES2040150T3 (es) Reduccion de compuestos organicos halogenados en liquido de blanqueo gastado.
FR2572431B1 (fr) Procede pour la preparation des pates papetieres chimiques en vue du blanchiment.
FR2553444B1 (fr) Traitement a l'hypochlorite de pates papetieres chimiques
PT83117A (fr) Procede pour la delignification de matieres cellulosiques
FR2589494B1 (fr) Procede de blanchiment de pates papetieres chimiques
PT83118A (fr) Procede pour la delignification de matieres cellulosiques
KR880003665A (ko) 고령토로부터 탈색제의 제조방법
RO92749B1 (ro) Procedeu de obtinere a celulozei pentru acetilare

Legal Events

Date Code Title Description
ST Notification of lapse