FI752334A - - Google Patents

Info

Publication number
FI752334A
FI752334A FI752334A FI752334A FI752334A FI 752334 A FI752334 A FI 752334A FI 752334 A FI752334 A FI 752334A FI 752334 A FI752334 A FI 752334A FI 752334 A FI752334 A FI 752334A
Authority
FI
Finland
Application number
FI752334A
Other languages
Finnish (fi)
Inventor
Goeran Erik Annergren
Original Assignee
Sunds 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 Sunds Ab filed Critical Sunds Ab
Publication of FI752334A publication Critical patent/FI752334A/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
    • D21C9/1026—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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI752334A 1974-09-04 1975-08-18 FI752334A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7411170A SE390178B (sv) 1974-09-04 1974-09-04 Sett vid blekning av lignocellulosahaltigt material med en kombination av gasfasklorering och ett system for fortrengningsblekning innehallande klordioxid

Publications (1)

Publication Number Publication Date
FI752334A true FI752334A (da) 1976-03-05

Family

ID=20322052

Family Applications (1)

Application Number Title Priority Date Filing Date
FI752334A FI752334A (da) 1974-09-04 1975-08-18

Country Status (9)

Country Link
JP (1) JPS5153004A (da)
AU (1) AU8358175A (da)
BR (1) BR7505456A (da)
DE (1) DE2539402A1 (da)
FI (1) FI752334A (da)
FR (1) FR2330798A1 (da)
NO (1) NO753019L (da)
SE (1) SE390178B (da)
ZA (1) ZA754902B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451606B (sv) * 1982-09-14 1987-10-19 Sca Development Ab Sett vid blekning av hogutbytesmassor medelst peroxider
SE516969C2 (sv) 2000-08-14 2002-03-26 Metso Paper Inc Klordioxidblekning i två steg med återföring av filtrat

Also Published As

Publication number Publication date
AU8358175A (en) 1977-02-03
SE390178B (sv) 1976-12-06
SE7411170L (sv) 1976-03-05
DE2539402A1 (de) 1976-03-18
FR2330798A1 (fr) 1977-06-03
BR7505456A (pt) 1976-08-03
NO753019L (da) 1976-03-05
JPS5153004A (da) 1976-05-11
ZA754902B (en) 1976-07-28

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: SUNDS AKTIEBOLAG