SE8800673D0 - Forfarande for blekning av pappersmassa - Google Patents

Forfarande for blekning av pappersmassa

Info

Publication number
SE8800673D0
SE8800673D0 SE8800673A SE8800673A SE8800673D0 SE 8800673 D0 SE8800673 D0 SE 8800673D0 SE 8800673 A SE8800673 A SE 8800673A SE 8800673 A SE8800673 A SE 8800673A SE 8800673 D0 SE8800673 D0 SE 8800673D0
Authority
SE
Sweden
Prior art keywords
partic
whiting
procedure
paper pulp
peroxide
Prior art date
Application number
SE8800673A
Other languages
English (en)
Other versions
SE8800673L (sv
Inventor
K-E Eriksson
B Pettersson
J-J Yang
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 SE8800673A priority Critical patent/SE8800673L/sv
Publication of SE8800673D0 publication Critical patent/SE8800673D0/sv
Publication of SE8800673L publication Critical patent/SE8800673L/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
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE8800673A 1988-02-26 1988-02-26 Foerfarande foer blekning av pappersmassa SE8800673L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8800673A SE8800673L (sv) 1988-02-26 1988-02-26 Foerfarande foer blekning av pappersmassa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8800673A SE8800673L (sv) 1988-02-26 1988-02-26 Foerfarande foer blekning av pappersmassa

Publications (2)

Publication Number Publication Date
SE8800673D0 true SE8800673D0 (sv) 1988-02-26
SE8800673L SE8800673L (sv) 1989-08-27

Family

ID=20371503

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8800673A SE8800673L (sv) 1988-02-26 1988-02-26 Foerfarande foer blekning av pappersmassa

Country Status (1)

Country Link
SE (1) SE8800673L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE169699T1 (de) * 1993-06-16 1998-08-15 Lignozym Gmbh Verfahren zur veränderung, abbau oder bleichen von lignin, ligninhaltigen materialien oder kohle

Also Published As

Publication number Publication date
SE8800673L (sv) 1989-08-27

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