FI823625L - Saett att behandla cellulosahaltigt material - Google Patents

Saett att behandla cellulosahaltigt material

Info

Publication number
FI823625L
FI823625L FI823625A FI823625A FI823625L FI 823625 L FI823625 L FI 823625L FI 823625 A FI823625 A FI 823625A FI 823625 A FI823625 A FI 823625A FI 823625 L FI823625 L FI 823625L
Authority
FI
Finland
Prior art keywords
saett att
cellulosahaltigt
behandla
att behandla
cellulosahaltigt material
Prior art date
Application number
FI823625A
Other languages
English (en)
Finnish (fi)
Other versions
FI823625A0 (fi
Inventor
Goeran Erik Annergren
Per-Olov Lindblad
Lars-Aoke Torbjoern Lindstroem
Original Assignee
Sunds Defibrator
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 Sunds Defibrator filed Critical Sunds Defibrator
Publication of FI823625A0 publication Critical patent/FI823625A0/fi
Publication of FI823625L publication Critical patent/FI823625L/fi

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
FI823625A 1981-10-27 1982-10-25 Saett att behandla cellulosahaltigt material FI823625L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8106334A SE8106334L (sv) 1981-10-27 1981-10-27 Sett att behandla cellulosahaltigt material

Publications (2)

Publication Number Publication Date
FI823625A0 FI823625A0 (fi) 1982-10-25
FI823625L true FI823625L (fi) 1983-04-28

Family

ID=20344893

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823625A FI823625L (fi) 1981-10-27 1982-10-25 Saett att behandla cellulosahaltigt material

Country Status (6)

Country Link
AU (1) AU539104B2 (pt)
BR (1) BR8206194A (pt)
DE (1) DE3239811A1 (pt)
FI (1) FI823625L (pt)
NO (1) NO823559L (pt)
SE (1) SE8106334L (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2069322A1 (en) * 1989-10-19 1991-04-20 Hou-Min Chang High efficiency chlorine dioxide pulp bleaching process
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process

Also Published As

Publication number Publication date
AU8894382A (en) 1983-05-19
BR8206194A (pt) 1983-09-20
SE8106334L (sv) 1983-04-28
FI823625A0 (fi) 1982-10-25
NO823559L (no) 1983-04-28
DE3239811A1 (de) 1983-05-11
AU539104B2 (en) 1984-09-13

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: SUNDS DEFIBRATOR AKTIEBOLAG