SE0700517L - Behandling av cellulosamassa - Google Patents

Behandling av cellulosamassa

Info

Publication number
SE0700517L
SE0700517L SE0700517A SE0700517A SE0700517L SE 0700517 L SE0700517 L SE 0700517L SE 0700517 A SE0700517 A SE 0700517A SE 0700517 A SE0700517 A SE 0700517A SE 0700517 L SE0700517 L SE 0700517L
Authority
SE
Sweden
Prior art keywords
treatment
cellulose pulp
pulp
cellulose
Prior art date
Application number
SE0700517A
Other languages
English (en)
Other versions
SE0700517A0 (sv
Inventor
Pia Mellander
Maria Wennerstroem
Gunnar Carre
Original Assignee
Metso Paper Inc
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 Metso Paper Inc filed Critical Metso Paper Inc
Priority to SE0700517A priority Critical patent/SE0700517L/sv
Publication of SE0700517A0 publication Critical patent/SE0700517A0/sv
Publication of SE0700517L publication Critical patent/SE0700517L/sv

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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
SE0700517A 2007-03-02 2007-03-02 Behandling av cellulosamassa SE0700517L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE0700517A SE0700517L (sv) 2007-03-02 2007-03-02 Behandling av cellulosamassa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0700517A SE0700517L (sv) 2007-03-02 2007-03-02 Behandling av cellulosamassa

Publications (2)

Publication Number Publication Date
SE0700517A0 SE0700517A0 (sv) 2008-09-03
SE0700517L true SE0700517L (sv) 2008-09-03

Family

ID=39776323

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0700517A SE0700517L (sv) 2007-03-02 2007-03-02 Behandling av cellulosamassa

Country Status (1)

Country Link
SE (1) SE0700517L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE544255C2 (en) * 2020-09-03 2022-03-15 Valmet Oy System for producing cellulose pulp and method for controlling such a system

Also Published As

Publication number Publication date
SE0700517A0 (sv) 2008-09-03

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Legal Events

Date Code Title Description
NAV Patent application has lapsed