SE9502510D0 - Mass bleaching procedure - Google Patents

Mass bleaching procedure

Info

Publication number
SE9502510D0
SE9502510D0 SE9502510A SE9502510A SE9502510D0 SE 9502510 D0 SE9502510 D0 SE 9502510D0 SE 9502510 A SE9502510 A SE 9502510A SE 9502510 A SE9502510 A SE 9502510A SE 9502510 D0 SE9502510 D0 SE 9502510D0
Authority
SE
Sweden
Prior art keywords
bleaching procedure
mass
mass bleaching
procedure
bleaching
Prior art date
Application number
SE9502510A
Other languages
Swedish (sv)
Other versions
SE9502510L (en
Inventor
Petter Tibbling
Ulla Ekstroem
Erik Nilsson
Lars-Ove Larsson
Original Assignee
Kvaerner Pulping Tech
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
Priority claimed from SE9301960A external-priority patent/SE500616C2/en
Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9502510A priority Critical patent/SE9502510D0/en
Publication of SE9502510L publication Critical patent/SE9502510L/en
Publication of SE9502510D0 publication Critical patent/SE9502510D0/en

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
    • D21C9/1042—Use of chelating agents
    • 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)
SE9502510A 1993-06-08 1995-07-10 Mass bleaching procedure SE9502510D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9502510A SE9502510D0 (en) 1993-06-08 1995-07-10 Mass bleaching procedure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9301960A SE500616C2 (en) 1993-06-08 1993-06-08 Bleaching of chemical pulp with peroxide at overpressure
SE9502510A SE9502510D0 (en) 1993-06-08 1995-07-10 Mass bleaching procedure

Publications (2)

Publication Number Publication Date
SE9502510L SE9502510L (en) 1995-07-10
SE9502510D0 true SE9502510D0 (en) 1995-07-10

Family

ID=26661760

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9502510A SE9502510D0 (en) 1993-06-08 1995-07-10 Mass bleaching procedure

Country Status (1)

Country Link
SE (1) SE9502510D0 (en)

Also Published As

Publication number Publication date
SE9502510L (en) 1995-07-10

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Legal Events

Date Code Title Description
NAV Patent application has lapsed