FI68683B - Saett att behandla lignocellulosahaltigt material - Google Patents

Saett att behandla lignocellulosahaltigt material Download PDF

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Publication number
FI68683B
FI68683B FI773710A FI773710A FI68683B FI 68683 B FI68683 B FI 68683B FI 773710 A FI773710 A FI 773710A FI 773710 A FI773710 A FI 773710A FI 68683 B FI68683 B FI 68683B
Authority
FI
Finland
Prior art keywords
bleaching
chlorine
chlorine dioxide
pulp
final
Prior art date
Application number
FI773710A
Other languages
English (en)
Finnish (fi)
Other versions
FI773710A (fi
Inventor
Goeran Erik Annergren
Tjell-Aoke Haegglund
Per-Olov Lindblad
Kent Arne Forslund
Dan Eric Carlsen
Original Assignee
Sca Development Ab
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 Sca Development Ab filed Critical Sca Development Ab
Publication of FI773710A publication Critical patent/FI773710A/fi
Application granted granted Critical
Publication of FI68683B publication Critical patent/FI68683B/fi

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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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI773710A 1976-12-09 1977-12-08 Saett att behandla lignocellulosahaltigt material FI68683B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7613827A SE7613827L (sv) 1976-12-09 1976-12-09 Sett att behandla lignocellulosahaltigt material.
SE7613827 1976-12-09

Publications (2)

Publication Number Publication Date
FI773710A FI773710A (fi) 1978-06-10
FI68683B true FI68683B (fi) 1985-06-28

Family

ID=20329703

Family Applications (1)

Application Number Title Priority Date Filing Date
FI773710A FI68683B (fi) 1976-12-09 1977-12-08 Saett att behandla lignocellulosahaltigt material

Country Status (6)

Country Link
JP (1) JPS5374105A (sv)
DE (1) DE2754949C3 (sv)
FI (1) FI68683B (sv)
FR (1) FR2373638A1 (sv)
NO (1) NO152259C (sv)
SE (1) SE7613827L (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61289193A (ja) * 1985-06-14 1986-12-19 神崎製紙株式会社 パルプの漂白方法
SE9000340L (sv) * 1990-01-31 1991-08-01 Eka Nobel Ab Foerfarande vid blekning av lignocellulosahaltigt material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5318602B2 (sv) * 1973-07-20 1978-06-16

Also Published As

Publication number Publication date
NO774181L (no) 1978-06-12
JPS5374105A (en) 1978-07-01
NO152259B (no) 1985-05-20
FI773710A (fi) 1978-06-10
DE2754949B2 (de) 1978-10-05
DE2754949A1 (de) 1978-06-22
NO152259C (no) 1985-08-28
FR2373638A1 (fr) 1978-07-07
DE2754949C3 (de) 1979-05-31
SE7613827L (sv) 1978-06-10

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: SCA DEVELOPMENT AKTIEBOLAG