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CA2132057A1 - Blanchiment au peroxyde sous pression - Google Patents

Blanchiment au peroxyde sous pression

Info

Publication number
CA2132057A1
CA2132057A1 CA002132057A CA2132057A CA2132057A1 CA 2132057 A1 CA2132057 A1 CA 2132057A1 CA 002132057 A CA002132057 A CA 002132057A CA 2132057 A CA2132057 A CA 2132057A CA 2132057 A1 CA2132057 A1 CA 2132057A1
Authority
CA
Canada
Prior art keywords
pulp
recited
pressure
bleaching
practiced
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.)
Abandoned
Application number
CA002132057A
Other languages
English (en)
Inventor
Kaj Henricson
Brian Greenwood
Bjorn Svedin
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.)
Andritz Oy
Original Assignee
Ahlstrom Corp
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 Ahlstrom Corp filed Critical Ahlstrom Corp
Publication of CA2132057A1 publication Critical patent/CA2132057A1/fr
Abandoned 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)
CA002132057A 1993-09-15 1994-09-14 Blanchiment au peroxyde sous pression Abandoned CA2132057A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12083893A 1993-09-15 1993-09-15
US08/120,838 1993-09-15

Publications (1)

Publication Number Publication Date
CA2132057A1 true CA2132057A1 (fr) 1995-03-16

Family

ID=22392837

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002132057A Abandoned CA2132057A1 (fr) 1993-09-15 1994-09-14 Blanchiment au peroxyde sous pression

Country Status (3)

Country Link
CA (1) CA2132057A1 (fr)
FI (1) FI944144A7 (fr)
SE (2) SE9403073L (fr)

Also Published As

Publication number Publication date
SE9403073L (sv) 1995-03-16
SE9604831L (sv) 1998-07-01
FI944144A0 (fi) 1994-09-09
FI944144L (fi) 1995-03-16
SE9604831D0 (sv) 1996-12-30
SE9403073D0 (sv) 1994-09-14
FI944144A7 (fi) 1995-03-16

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued