SE9704273D0 - Nytt förfarande vid framställning av kemisk massa - Google Patents

Nytt förfarande vid framställning av kemisk massa

Info

Publication number
SE9704273D0
SE9704273D0 SE9704273A SE9704273A SE9704273D0 SE 9704273 D0 SE9704273 D0 SE 9704273D0 SE 9704273 A SE9704273 A SE 9704273A SE 9704273 A SE9704273 A SE 9704273A SE 9704273 D0 SE9704273 D0 SE 9704273D0
Authority
SE
Sweden
Prior art keywords
chemical pulp
preparation
new process
liquor
ion content
Prior art date
Application number
SE9704273A
Other languages
English (en)
Other versions
SE9704273L (sv
Inventor
Disa Tormund
Leelo Olm
Anna Jensen
Original Assignee
Svenska Traeforskningsinst
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 Svenska Traeforskningsinst filed Critical Svenska Traeforskningsinst
Priority to SE9704273A priority Critical patent/SE9704273L/sv
Publication of SE9704273D0 publication Critical patent/SE9704273D0/sv
Publication of SE9704273L publication Critical patent/SE9704273L/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/08—Pretreatment of the finely-divided materials before digesting with oxygen-generating compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
SE9704273A 1997-11-21 1997-11-21 Nytt förfarande vid framställning av kemisk massa SE9704273L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9704273A SE9704273L (sv) 1997-11-21 1997-11-21 Nytt förfarande vid framställning av kemisk massa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9704273A SE9704273L (sv) 1997-11-21 1997-11-21 Nytt förfarande vid framställning av kemisk massa

Publications (2)

Publication Number Publication Date
SE9704273D0 true SE9704273D0 (sv) 1997-11-21
SE9704273L SE9704273L (sv) 1999-05-22

Family

ID=20409065

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9704273A SE9704273L (sv) 1997-11-21 1997-11-21 Nytt förfarande vid framställning av kemisk massa

Country Status (1)

Country Link
SE (1) SE9704273L (sv)

Also Published As

Publication number Publication date
SE9704273L (sv) 1999-05-22

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Legal Events

Date Code Title Description
NAV Patent application has lapsed