SE8202603L - Sett for blekning av pa kemisk veg framstelld cellulosa - Google Patents

Sett for blekning av pa kemisk veg framstelld cellulosa

Info

Publication number
SE8202603L
SE8202603L SE8202603A SE8202603A SE8202603L SE 8202603 L SE8202603 L SE 8202603L SE 8202603 A SE8202603 A SE 8202603A SE 8202603 A SE8202603 A SE 8202603A SE 8202603 L SE8202603 L SE 8202603L
Authority
SE
Sweden
Prior art keywords
cellulosa
blacking
chemical way
way made
ozone
Prior art date
Application number
SE8202603A
Other languages
Unknown language ( )
English (en)
Inventor
R Patt
O Kordsachia
D L-K Wang
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Publication of SE8202603L publication Critical patent/SE8202603L/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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
SE8202603A 1981-05-09 1982-04-26 Sett for blekning av pa kemisk veg framstelld cellulosa SE8202603L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3118384A DE3118384C1 (de) 1981-05-09 1981-05-09 Verfahren zum Bleichen von chemisch hergestelltem Zellstoff mit Ozon

Publications (1)

Publication Number Publication Date
SE8202603L true SE8202603L (sv) 1982-11-10

Family

ID=6131844

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8202603A SE8202603L (sv) 1981-05-09 1982-04-26 Sett for blekning av pa kemisk veg framstelld cellulosa

Country Status (9)

Country Link
JP (1) JPS57191388A (sv)
AT (1) ATA167682A (sv)
BR (1) BR8202532A (sv)
DE (1) DE3118384C1 (sv)
FI (1) FI821265A7 (sv)
FR (1) FR2505377A1 (sv)
NO (1) NO821525L (sv)
SE (1) SE8202603L (sv)
ZA (1) ZA823048B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT404740B (de) * 1989-10-30 1999-02-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von zellstoffen
DE4107356C1 (sv) * 1991-03-08 1992-11-05 Acetocell Gmbh & Co Kg, 7162 Gschwend, De
US5364503A (en) * 1992-02-20 1994-11-15 Macmillan Bloedel Limited Nitric oxide treatment for ozone bleaching

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR432552A (fr) * 1911-07-25 1911-12-09 Claude Achilles Meygret Perfectionnements dans le blanchiment des fibres végétales, des pulpes végétales et leur équivalent
FR2158873A5 (en) * 1972-10-09 1973-06-15 Bourit Jean Pierre Bleaching of wood cellulose - using nitrogen oxides
GB1505070A (en) * 1974-06-11 1978-03-22 Canadian Ind Process for bleaching of lignocellulosic material
CA1070909A (en) * 1976-05-04 1980-02-05 Canadian Industries Limited Nitrogen dioxide-oxygen delignification
FI61215B (fi) * 1976-11-23 1982-02-26 Defibrator Ab Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial

Also Published As

Publication number Publication date
ZA823048B (en) 1983-03-30
FI821265A0 (fi) 1982-04-08
BR8202532A (pt) 1983-04-19
NO821525L (no) 1982-11-10
FI821265A7 (sv) 1982-11-10
DE3118384C1 (de) 1982-11-11
JPS57191388A (en) 1982-11-25
FR2505377A1 (fr) 1982-11-12
ATA167682A (de) 1985-04-15

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