BR7505456A - Processo de branqueamento de material que contem lignocelulose - Google Patents

Processo de branqueamento de material que contem lignocelulose

Info

Publication number
BR7505456A
BR7505456A BR7505456*A BR7505456A BR7505456A BR 7505456 A BR7505456 A BR 7505456A BR 7505456 A BR7505456 A BR 7505456A BR 7505456 A BR7505456 A BR 7505456A
Authority
BR
Brazil
Prior art keywords
lignocellulosis
money laundering
process containing
laundering process
money
Prior art date
Application number
BR7505456*A
Other languages
English (en)
Portuguese (pt)
Inventor
G 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 BR7505456A publication Critical patent/BR7505456A/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
    • D21C9/1026—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)
BR7505456*A 1974-09-04 1975-08-26 Processo de branqueamento de material que contem lignocelulose BR7505456A (pt)

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
BR7505456A true BR7505456A (pt) 1976-08-03

Family

ID=20322052

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7505456*A BR7505456A (pt) 1974-09-04 1975-08-26 Processo de branqueamento de material que contem lignocelulose

Country Status (9)

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

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
DE2539402A1 (de) 1976-03-18
NO753019L (un) 1976-03-05
SE7411170L (sv) 1976-03-05
JPS5153004A (un) 1976-05-11
ZA754902B (en) 1976-07-28
AU8358175A (en) 1977-02-03
FI752334A (un) 1976-03-05
SE390178B (sv) 1976-12-06
FR2330798A1 (fr) 1977-06-03

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