SE8405369L - Sett att bleka kraftmassa - Google Patents

Sett att bleka kraftmassa

Info

Publication number
SE8405369L
SE8405369L SE8405369A SE8405369A SE8405369L SE 8405369 L SE8405369 L SE 8405369L SE 8405369 A SE8405369 A SE 8405369A SE 8405369 A SE8405369 A SE 8405369A SE 8405369 L SE8405369 L SE 8405369L
Authority
SE
Sweden
Prior art keywords
pulps
values
extraction
aqueous
alkali
Prior art date
Application number
SE8405369A
Other languages
English (en)
Other versions
SE8405369D0 (sv
Inventor
J J Renard
S S Bhattacharjee
Original Assignee
Int Paper Co
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 Int Paper Co filed Critical Int Paper Co
Publication of SE8405369D0 publication Critical patent/SE8405369D0/sv
Publication of SE8405369L publication Critical patent/SE8405369L/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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE8405369A 1983-10-28 1984-10-26 Sett att bleka kraftmassa SE8405369L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54626383A 1983-10-28 1983-10-28

Publications (2)

Publication Number Publication Date
SE8405369D0 SE8405369D0 (sv) 1984-10-26
SE8405369L true SE8405369L (sv) 1985-04-29

Family

ID=24179604

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8405369A SE8405369L (sv) 1983-10-28 1984-10-26 Sett att bleka kraftmassa

Country Status (3)

Country Link
CA (1) CA1219707A (sv)
FI (1) FI78132C (sv)
SE (1) SE8405369L (sv)

Also Published As

Publication number Publication date
FI844194L (fi) 1985-04-29
FI78132B (fi) 1989-02-28
FI78132C (sv) 1989-06-12
SE8405369D0 (sv) 1984-10-26
FI844194A0 (fi) 1984-10-25
CA1219707A (en) 1987-03-31

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8405369-3

Effective date: 19880617