NO128074B - - Google Patents

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Publication number
NO128074B
NO128074B NO01440/72A NO144072A NO128074B NO 128074 B NO128074 B NO 128074B NO 01440/72 A NO01440/72 A NO 01440/72A NO 144072 A NO144072 A NO 144072A NO 128074 B NO128074 B NO 128074B
Authority
NO
Norway
Prior art keywords
pulse
reactor
reactivity
variation
modulation
Prior art date
Application number
NO01440/72A
Other languages
English (en)
Norwegian (no)
Inventor
Maumert F Abadie
N Soteland
Original Assignee
Papirind Forskningsinst
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 Papirind Forskningsinst filed Critical Papirind Forskningsinst
Priority to NO01440/72A priority Critical patent/NO128074B/no
Priority to SE7305756A priority patent/SE404705B/xx
Priority to FI1298/73A priority patent/FI54349C/fi
Publication of NO128074B publication Critical patent/NO128074B/no

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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
NO01440/72A 1972-04-25 1972-04-25 NO128074B (OSRAM)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO01440/72A NO128074B (OSRAM) 1972-04-25 1972-04-25
SE7305756A SE404705B (sv) 1972-04-25 1973-04-24 Forfarande for behandling av hartsinnehallande fibermassor med ozon
FI1298/73A FI54349C (fi) 1972-04-25 1973-04-24 Foerfarande foer behandling av hartsinnehaollande fibermassor utan anvaendande av alkali

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO01440/72A NO128074B (OSRAM) 1972-04-25 1972-04-25

Publications (1)

Publication Number Publication Date
NO128074B true NO128074B (OSRAM) 1973-09-24

Family

ID=19878204

Family Applications (1)

Application Number Title Priority Date Filing Date
NO01440/72A NO128074B (OSRAM) 1972-04-25 1972-04-25

Country Status (3)

Country Link
FI (1) FI54349C (OSRAM)
NO (1) NO128074B (OSRAM)
SE (1) SE404705B (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE502321C2 (sv) * 1994-03-04 1995-10-02 Kvaerner Pulping Tech Förfarande vid ozonblekning av sulfitmassa
FI115978B (fi) * 2000-11-16 2005-08-31 Ciba Sc Holding Ag Menetelmä ei-kuitupitoisten ainesten ottamiseksi talteen puumateriaalista

Also Published As

Publication number Publication date
FI54349C (fi) 1978-11-10
SE404705B (sv) 1978-10-23
FI54349B (fi) 1978-07-31

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