CA869267A - Process of and apparatus for the bleaching of fibrous cellulosic pulp - Google Patents

Process of and apparatus for the bleaching of fibrous cellulosic pulp

Info

Publication number
CA869267A
CA869267A CA869267A CA869267DA CA869267A CA 869267 A CA869267 A CA 869267A CA 869267 A CA869267 A CA 869267A CA 869267D A CA869267D A CA 869267DA CA 869267 A CA869267 A CA 869267A
Authority
CA
Canada
Prior art keywords
bleaching
cellulosic pulp
fibrous cellulosic
fibrous
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
CA869267A
Inventor
E. Tasman John
Liebergott Norman
H. Yorston Frederic
M. A. T. De Montigny Raimbault
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.)
Pulp and Paper Research Institute of Canada
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
Application granted granted Critical
Publication of CA869267A publication Critical patent/CA869267A/en
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
    • D21C9/1026—Other features in bleaching processes
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
CA869267A 1968-05-10 1968-05-10 Process of and apparatus for the bleaching of fibrous cellulosic pulp Expired CA869267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA19673 1968-05-10

Publications (1)

Publication Number Publication Date
CA869267A true CA869267A (en) 1971-04-27

Family

ID=4084236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA869267A Expired CA869267A (en) 1968-05-10 1968-05-10 Process of and apparatus for the bleaching of fibrous cellulosic pulp

Country Status (1)

Country Link
CA (1) CA869267A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0750698A1 (en) * 1993-09-21 1997-01-02 Ingersoll-Rand Company Apparatus for fluffing high consistency wood pulp
US5942088A (en) * 1995-07-26 1999-08-24 Beloit Technologies, Inc. Apparatus for bleaching high consistency pulp with a gaseous bleaching reagent

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0750698A1 (en) * 1993-09-21 1997-01-02 Ingersoll-Rand Company Apparatus for fluffing high consistency wood pulp
EP0750698A4 (en) * 1993-09-21 1998-01-07 Ingersoll Rand Co Apparatus for fluffing high consistency wood pulp
US5942088A (en) * 1995-07-26 1999-08-24 Beloit Technologies, Inc. Apparatus for bleaching high consistency pulp with a gaseous bleaching reagent
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent

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