CA1086905A - Fonctionnement d'une installation de blanchiment - Google Patents

Fonctionnement d'une installation de blanchiment

Info

Publication number
CA1086905A
CA1086905A CA289,453A CA289453A CA1086905A CA 1086905 A CA1086905 A CA 1086905A CA 289453 A CA289453 A CA 289453A CA 1086905 A CA1086905 A CA 1086905A
Authority
CA
Canada
Prior art keywords
chlorine
bleaching
pulp
stage
chlorine dioxide
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
CA289,453A
Other languages
English (en)
Inventor
W. Howard Rapson
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.)
Erco Industries Ltd
Original Assignee
Erco Industries Ltd
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 Erco Industries Ltd filed Critical Erco Industries Ltd
Priority to CA289,453A priority Critical patent/CA1086905A/fr
Application granted granted Critical
Publication of CA1086905A publication Critical patent/CA1086905A/fr
Expired 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA289,453A 1977-10-25 1977-10-25 Fonctionnement d'une installation de blanchiment Expired CA1086905A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA289,453A CA1086905A (fr) 1977-10-25 1977-10-25 Fonctionnement d'une installation de blanchiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289,453A CA1086905A (fr) 1977-10-25 1977-10-25 Fonctionnement d'une installation de blanchiment

Publications (1)

Publication Number Publication Date
CA1086905A true CA1086905A (fr) 1980-10-07

Family

ID=4109849

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289,453A Expired CA1086905A (fr) 1977-10-25 1977-10-25 Fonctionnement d'une installation de blanchiment

Country Status (1)

Country Link
CA (1) CA1086905A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383999A2 (fr) * 1989-02-14 1990-08-29 Enso-Gutzeit Oy Procédé de blanchiment de pâte
WO1999066120A1 (fr) * 1998-06-18 1999-12-23 Weyerhaeuser Company Procede de blanchiment de la pate a papier avec depot reduit de baryum

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383999A2 (fr) * 1989-02-14 1990-08-29 Enso-Gutzeit Oy Procédé de blanchiment de pâte
EP0383999A3 (en) * 1989-02-14 1990-12-12 Enso-Gutzeit Oy Procedure for the bleaching of pulp
WO1999066120A1 (fr) * 1998-06-18 1999-12-23 Weyerhaeuser Company Procede de blanchiment de la pate a papier avec depot reduit de baryum
US6315863B1 (en) 1998-06-18 2001-11-13 Weyerhaeuser Company Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate

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Legal Events

Date Code Title Description
MKEX Expiry