NO131996C - - Google Patents

Info

Publication number
NO131996C
NO131996C NO3859/73A NO385973A NO131996C NO 131996 C NO131996 C NO 131996C NO 3859/73 A NO3859/73 A NO 3859/73A NO 385973 A NO385973 A NO 385973A NO 131996 C NO131996 C NO 131996C
Authority
NO
Norway
Application number
NO3859/73A
Other languages
Norwegian (no)
Other versions
NO385973L (en]
NO131996B (en]
Inventor
F A Abadie-Maumert
S Hauan
V Loras
A 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 NO3859/73A priority Critical patent/NO131996C/no
Priority to DE2444475A priority patent/DE2444475C2/de
Priority to SE7412367A priority patent/SE7412367L/xx
Priority to FI2893/74A priority patent/FI61926C/fi
Publication of NO385973L publication Critical patent/NO385973L/no
Publication of NO131996B publication Critical patent/NO131996B/no
Publication of NO131996C publication Critical patent/NO131996C/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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1073—Bleaching ; Apparatus therefor with O3

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Magnetic Ceramics (AREA)
NO3859/73A 1973-10-04 1973-10-04 NO131996C (en])

Priority Applications (4)

Application Number Priority Date Filing Date Title
NO3859/73A NO131996C (en]) 1973-10-04 1973-10-04
DE2444475A DE2444475C2 (de) 1973-10-04 1974-09-18 Verfahren für die Ozonbehandlung von Papiermasse
SE7412367A SE7412367L (en]) 1973-10-04 1974-10-01
FI2893/74A FI61926C (fi) 1973-10-04 1974-10-03 Foerfarande vid ozonbehandling av pappersmassa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO3859/73A NO131996C (en]) 1973-10-04 1973-10-04

Publications (3)

Publication Number Publication Date
NO385973L NO385973L (en]) 1975-04-28
NO131996B NO131996B (en]) 1975-05-26
NO131996C true NO131996C (en]) 1975-09-03

Family

ID=19879892

Family Applications (1)

Application Number Title Priority Date Filing Date
NO3859/73A NO131996C (en]) 1973-10-04 1973-10-04

Country Status (4)

Country Link
DE (1) DE2444475C2 (en])
FI (1) FI61926C (en])
NO (1) NO131996C (en])
SE (1) SE7412367L (en])

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67412C (fi) * 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av cellulosahaltig massa
US4216054A (en) 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
FR2609067B1 (fr) * 1986-12-31 1990-06-15 Beghin Say Sa Procede pour le traitement a l'ozone d'une pate cellulosique
NZ256783A (en) * 1992-10-01 1996-08-27 Union Camp Patent Holding Bleaching high consistency lignocellulosic pulp from a first ge brightness to a second higher ge brightness by fluffing the pulp to a specific surface area of at least 90m2kg-1 followed by treatment with a gaseous bleaching agent
FI965216L (fi) * 1994-07-14 1997-01-13 Union Camp Patent Holding Menetelmä korkean sakeuden omaavan lignoselluloosamassan valkaisemiseksi
GB2382592A (en) * 2001-11-30 2003-06-04 Sca Hygiene Prod Gmbh Use of ozone to enhance the wet strength of fibrous cellulosic material
FI119062B (fi) 2006-12-28 2008-07-15 Upm Kymmene Corp Menetelmä mekaanisen massan valmistamiseksi
USD774295S1 (en) 2014-10-13 2016-12-20 Patrick Garms Sock

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE503451C (de) * 1927-10-04 1930-07-23 Paul Erkens Verfahren und Vorrichtung zum Bleichen von Faserstoffen

Also Published As

Publication number Publication date
NO385973L (en]) 1975-04-28
NO131996B (en]) 1975-05-26
DE2444475C2 (de) 1983-02-10
FI289374A7 (en]) 1975-04-05
FI61926C (fi) 1982-10-11
FI61926B (fi) 1982-06-30
DE2444475A1 (de) 1975-04-17
SE7412367L (en]) 1975-04-07

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