BR8206194A - Processo para alvejamento de material que contem celulose - Google Patents

Processo para alvejamento de material que contem celulose

Info

Publication number
BR8206194A
BR8206194A BR8206194A BR8206194A BR8206194A BR 8206194 A BR8206194 A BR 8206194A BR 8206194 A BR8206194 A BR 8206194A BR 8206194 A BR8206194 A BR 8206194A BR 8206194 A BR8206194 A BR 8206194A
Authority
BR
Brazil
Prior art keywords
targeting
processing
material containing
containing cellulose
cellulose
Prior art date
Application number
BR8206194A
Other languages
English (en)
Inventor
Goran Erik Anndergren
Per-Olov Lindblad
Lars-Ake Torbjorn Lindstrom
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 BR8206194A publication Critical patent/BR8206194A/pt

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)
BR8206194A 1981-10-27 1982-10-25 Processo para alvejamento de material que contem celulose BR8206194A (pt)

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 (1)

Publication Number Publication Date
BR8206194A true BR8206194A (pt) 1983-09-20

Family

ID=20344893

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8206194A BR8206194A (pt) 1981-10-27 1982-10-25 Processo para alvejamento de material que contem celulose

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
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
AU6537690A (en) * 1989-10-19 1991-05-16 North Carolina State University High efficiency chlorine dioxide pulp bleaching process

Also Published As

Publication number Publication date
DE3239811A1 (de) 1983-05-11
FI823625A0 (fi) 1982-10-25
AU8894382A (en) 1983-05-19
NO823559L (no) 1983-04-28
FI823625L (fi) 1983-04-28
SE8106334L (sv) 1983-04-28
AU539104B2 (en) 1984-09-13

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