FI61926C - Foerfarande vid ozonbehandling av pappersmassa - Google Patents

Foerfarande vid ozonbehandling av pappersmassa Download PDF

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Publication number
FI61926C
FI61926C FI2893/74A FI289374A FI61926C FI 61926 C FI61926 C FI 61926C FI 2893/74 A FI2893/74 A FI 2893/74A FI 289374 A FI289374 A FI 289374A FI 61926 C FI61926 C FI 61926C
Authority
FI
Finland
Prior art keywords
pulp
ozone
consistency
treated
refined
Prior art date
Application number
FI2893/74A
Other languages
English (en)
Finnish (fi)
Other versions
FI61926B (fi
FI289374A (ko
Inventor
Francois Andre Abadie-Maumert
Sigurd Hauan
Vidar Loraos
Arne Nicolai 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
Publication of FI289374A publication Critical patent/FI289374A/fi
Application granted granted Critical
Publication of FI61926B publication Critical patent/FI61926B/fi
Publication of FI61926C publication Critical patent/FI61926C/fi

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)
FI2893/74A 1973-10-04 1974-10-03 Foerfarande vid ozonbehandling av pappersmassa FI61926C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO385973 1973-10-04
NO3859/73A NO131996C (ko) 1973-10-04 1973-10-04

Publications (3)

Publication Number Publication Date
FI289374A FI289374A (ko) 1975-04-05
FI61926B FI61926B (fi) 1982-06-30
FI61926C true FI61926C (fi) 1982-10-11

Family

ID=19879892

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2893/74A FI61926C (fi) 1973-10-04 1974-10-03 Foerfarande vid ozonbehandling av pappersmassa

Country Status (4)

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

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
BR9508224A (pt) * 1994-07-14 1997-10-28 Union Camp Patent Holding Processo tendo seletividade aumentada para alvejamento de polpa lignocelulósica alvejada
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
NO131996C (ko) 1975-09-03
NO131996B (ko) 1975-05-26
NO385973L (ko) 1975-04-28
DE2444475A1 (de) 1975-04-17
SE7412367L (ko) 1975-04-07
DE2444475C2 (de) 1983-02-10
FI61926B (fi) 1982-06-30
FI289374A (ko) 1975-04-05

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