CA1249403A - Avivage des pates a rendement eleve et tres eleve - Google Patents

Avivage des pates a rendement eleve et tres eleve

Info

Publication number
CA1249403A
CA1249403A CA000486331A CA486331A CA1249403A CA 1249403 A CA1249403 A CA 1249403A CA 000486331 A CA000486331 A CA 000486331A CA 486331 A CA486331 A CA 486331A CA 1249403 A CA1249403 A CA 1249403A
Authority
CA
Canada
Prior art keywords
pulp
high yield
reaction
minutes
pulps
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
CA000486331A
Other languages
English (en)
Inventor
Norman Liebergott
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.)
FPInnovations
Original Assignee
Pulp and Paper Research Institute of Canada
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 Pulp and Paper Research Institute of Canada filed Critical Pulp and Paper Research Institute of Canada
Priority to CA000486331A priority Critical patent/CA1249403A/fr
Application granted granted Critical
Publication of CA1249403A publication Critical patent/CA1249403A/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
    • D21C9/16—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)
CA000486331A 1985-07-04 1985-07-04 Avivage des pates a rendement eleve et tres eleve Expired CA1249403A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000486331A CA1249403A (fr) 1985-07-04 1985-07-04 Avivage des pates a rendement eleve et tres eleve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000486331A CA1249403A (fr) 1985-07-04 1985-07-04 Avivage des pates a rendement eleve et tres eleve

Publications (1)

Publication Number Publication Date
CA1249403A true CA1249403A (fr) 1989-01-31

Family

ID=4130929

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000486331A Expired CA1249403A (fr) 1985-07-04 1985-07-04 Avivage des pates a rendement eleve et tres eleve

Country Status (1)

Country Link
CA (1) CA1249403A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205907A (en) * 1991-11-25 1993-04-27 Macmillan Bloedel Limited Removal of manganese from pulp using a chelating agent and magnesium sulphate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205907A (en) * 1991-11-25 1993-04-27 Macmillan Bloedel Limited Removal of manganese from pulp using a chelating agent and magnesium sulphate

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Legal Events

Date Code Title Description
MKEX Expiry