FR2622221A1 - Procede de blanchiment de pates - Google Patents

Procede de blanchiment de pates Download PDF

Info

Publication number
FR2622221A1
FR2622221A1 FR8714877A FR8714877A FR2622221A1 FR 2622221 A1 FR2622221 A1 FR 2622221A1 FR 8714877 A FR8714877 A FR 8714877A FR 8714877 A FR8714877 A FR 8714877A FR 2622221 A1 FR2622221 A1 FR 2622221A1
Authority
FR
France
Prior art keywords
bleaching
stages
hydrogen peroxide
sodium silicate
equal
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.)
Withdrawn
Application number
FR8714877A
Other languages
English (en)
French (fr)
Inventor
Jacques Kervennal
Francoise Chosson
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.)
Arkema France SA
Original Assignee
Atochem 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 Atochem SA filed Critical Atochem SA
Priority to FR8714877A priority Critical patent/FR2622221A1/fr
Priority to ES88420339T priority patent/ES2008654A4/es
Priority to DE198888420339T priority patent/DE313478T1/de
Priority to EP19880420339 priority patent/EP0313478A1/fr
Priority to NZ226649A priority patent/NZ226649A/xx
Priority to NO884674A priority patent/NO170348C/no
Priority to JP63265221A priority patent/JPH0643674B2/ja
Priority to FI884881A priority patent/FI884881A/fi
Priority to PT88819A priority patent/PT88819B/pt
Priority to AU24130/88A priority patent/AU615001B2/en
Publication of FR2622221A1 publication Critical patent/FR2622221A1/fr
Withdrawn legal-status Critical Current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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
FR8714877A 1987-10-22 1987-10-22 Procede de blanchiment de pates Withdrawn FR2622221A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR8714877A FR2622221A1 (fr) 1987-10-22 1987-10-22 Procede de blanchiment de pates
ES88420339T ES2008654A4 (es) 1987-10-22 1988-10-06 Procedimiento para blanquear pastas.
DE198888420339T DE313478T1 (de) 1987-10-22 1988-10-06 Verfahren zum bleichen von pulpen.
EP19880420339 EP0313478A1 (fr) 1987-10-22 1988-10-06 Procédé de blanchiment de pâtes
NZ226649A NZ226649A (en) 1987-10-22 1988-10-20 Process for bleaching mechanical pulp using hydrogen peroxide in two separate steps
NO884674A NO170348C (no) 1987-10-22 1988-10-20 Fremgangsmaate for bleking av tremasser ved hjelp av hydrogenperoksyd
JP63265221A JPH0643674B2 (ja) 1987-10-22 1988-10-20 パルプの漂白方法
FI884881A FI884881A (fi) 1987-10-22 1988-10-21 Foerfarande foer blekning av massa.
PT88819A PT88819B (pt) 1987-10-22 1988-10-21 Processo para o branqueamento de pastas de celulose
AU24130/88A AU615001B2 (en) 1987-10-22 1988-10-21 Pulp bleaching process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8714877A FR2622221A1 (fr) 1987-10-22 1987-10-22 Procede de blanchiment de pates

Publications (1)

Publication Number Publication Date
FR2622221A1 true FR2622221A1 (fr) 1989-04-28

Family

ID=9356225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8714877A Withdrawn FR2622221A1 (fr) 1987-10-22 1987-10-22 Procede de blanchiment de pates

Country Status (10)

Country Link
EP (1) EP0313478A1 (es)
JP (1) JPH0643674B2 (es)
AU (1) AU615001B2 (es)
DE (1) DE313478T1 (es)
ES (1) ES2008654A4 (es)
FI (1) FI884881A (es)
FR (1) FR2622221A1 (es)
NO (1) NO170348C (es)
NZ (1) NZ226649A (es)
PT (1) PT88819B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661430B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.
US5118389A (en) * 1990-07-06 1992-06-02 Ici Canada Inc. Two-stage peroxide bleaching process using different amounts of peroxide on different portions of mechanical pulp
CA2063351C (en) * 1992-03-18 1996-08-13 Stanley Alan Heimburger Process for bleaching hardwood pulp
US6605181B1 (en) * 1993-10-01 2003-08-12 Kvaerner Pulping Aktiebolag Peroxide bleach sequence including an acidic bleach stage and including a wash stage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537177A1 (fr) * 1982-09-14 1984-06-08 Sca Development Ab Procede pour le blanchiment de produits contenant de la cellulose
EP0208625A1 (fr) * 1985-05-29 1987-01-14 Elf Atochem S.A. Traitement de pâtes papetières chimiques par le peroxyde d'hydrogène en vue de leur blanchiment
FR2593527A1 (fr) * 1986-01-30 1987-07-31 Centre Tech Ind Papier Procede de blanchiment des pates mecaniques.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5679798A (en) * 1979-12-03 1981-06-30 Mitsubishi Gas Chemical Co Production of bleaching machine pulp
JPS5891884A (ja) * 1981-11-27 1983-05-31 工業技術院長 高白色度未晒パルプの製造方法
CA1249402A (en) * 1984-12-21 1989-01-31 Pulp And Paper Research Institute Of Canada Multistage brightening of high yield and ultra high- yield wood pulps
DE3661641D1 (en) * 1985-02-15 1989-02-09 Kamyr Ab Multi peroxide stage mechanical pulp bleaching

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537177A1 (fr) * 1982-09-14 1984-06-08 Sca Development Ab Procede pour le blanchiment de produits contenant de la cellulose
EP0208625A1 (fr) * 1985-05-29 1987-01-14 Elf Atochem S.A. Traitement de pâtes papetières chimiques par le peroxyde d'hydrogène en vue de leur blanchiment
FR2593527A1 (fr) * 1986-01-30 1987-07-31 Centre Tech Ind Papier Procede de blanchiment des pates mecaniques.

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
TAPPI JOURNAL, vol. 69, no. 10, octobre 1986, pages 120-125, Norcross, GA., US; C.W.DENCE et al.: "A survey of hydrogen peroxide bleaching of mechanical and chemimechanical pulp - factors affecting brightness" *
TAPPI JOURNAL, vol. 70, no. 3, mars 1987, pages 119-122, Norcross, GA., US; D.LACHENAL et al.: "Bleaching of mechanical pulp to very high brightness" *

Also Published As

Publication number Publication date
JPH0643674B2 (ja) 1994-06-08
NO884674D0 (no) 1988-10-20
DE313478T1 (de) 1989-10-05
PT88819B (pt) 1993-01-29
NZ226649A (en) 1989-10-27
NO170348B (no) 1992-06-29
AU615001B2 (en) 1991-09-19
AU2413088A (en) 1989-04-27
EP0313478A1 (fr) 1989-04-26
NO170348C (no) 1992-10-07
FI884881A (fi) 1989-04-23
NO884674L (no) 1989-04-24
FI884881A0 (fi) 1988-10-21
ES2008654A4 (es) 1989-08-01
JPH01124696A (ja) 1989-05-17

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Legal Events

Date Code Title Description
ST Notification of lapse