FI53848B - FOERFARANDE FOER BEHANDLING AV FIBERMASSA MED SYRE UNDER ALKALISKA BETINGELSER VID FOERHOEJT TRYCK OCH TEMPERATUR - Google Patents

FOERFARANDE FOER BEHANDLING AV FIBERMASSA MED SYRE UNDER ALKALISKA BETINGELSER VID FOERHOEJT TRYCK OCH TEMPERATUR

Info

Publication number
FI53848B
FI53848B FI2736/73A FI273673A FI53848B FI 53848 B FI53848 B FI 53848B FI 2736/73 A FI2736/73 A FI 2736/73A FI 273673 A FI273673 A FI 273673A FI 53848 B FI53848 B FI 53848B
Authority
FI
Finland
Prior art keywords
foerhoejt
fibermassa
betingelser
alkaliska
syre
Prior art date
Application number
FI2736/73A
Other languages
Finnish (fi)
Other versions
FI53848C (en
FI273673A (en
Inventor
Ilmo Yrjaelae
Lassi Suoninen
Original Assignee
Rauma Repola Oy
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 Rauma Repola Oy filed Critical Rauma Repola Oy
Priority to FI2736/73A priority Critical patent/FI53848C/en
Priority to CA208,245A priority patent/CA1047209A/en
Priority to SE7411012A priority patent/SE412610B/en
Priority to DE2441579A priority patent/DE2441579A1/en
Priority to JP49101291A priority patent/JPS5070601A/ja
Publication of FI273673A publication Critical patent/FI273673A/fi
Application granted granted Critical
Publication of FI53848B publication Critical patent/FI53848B/en
Publication of FI53848C publication Critical patent/FI53848C/en

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI2736/73A 1973-09-03 1973-09-03 FOERFARANDE FOER BEHANDLING AV FIBERMASSA MED SYRE UNDER ALKALISKA BETINGELSER VID FOERHOEJT TRYCK OCH TEMPERATUR FI53848C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI2736/73A FI53848C (en) 1973-09-03 1973-09-03 FOERFARANDE FOER BEHANDLING AV FIBERMASSA MED SYRE UNDER ALKALISKA BETINGELSER VID FOERHOEJT TRYCK OCH TEMPERATUR
CA208,245A CA1047209A (en) 1973-09-03 1974-08-30 Method and apparatus for treating cellulosic pulp with oxygen in alkali conditions and at raised pressure and temperature
SE7411012A SE412610B (en) 1973-09-03 1974-08-30 SET FOR TREATMENT OF CELLULOSA MASS WITH ACID UNDER ALKALIC CONDITIONS AT HIGH PRESSURE AND TEMPERATURE
DE2441579A DE2441579A1 (en) 1973-09-03 1974-08-30 Hardening system for cellulose mass - uses eddy mixing vessel with controlled oxygen feed to dissolve into the mass
JP49101291A JPS5070601A (en) 1973-09-03 1974-09-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI2736/73A FI53848C (en) 1973-09-03 1973-09-03 FOERFARANDE FOER BEHANDLING AV FIBERMASSA MED SYRE UNDER ALKALISKA BETINGELSER VID FOERHOEJT TRYCK OCH TEMPERATUR

Publications (3)

Publication Number Publication Date
FI273673A FI273673A (en) 1975-03-04
FI53848B true FI53848B (en) 1978-05-02
FI53848C FI53848C (en) 1978-08-10

Family

ID=8507529

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2736/73A FI53848C (en) 1973-09-03 1973-09-03 FOERFARANDE FOER BEHANDLING AV FIBERMASSA MED SYRE UNDER ALKALISKA BETINGELSER VID FOERHOEJT TRYCK OCH TEMPERATUR

Country Status (5)

Country Link
JP (1) JPS5070601A (en)
CA (1) CA1047209A (en)
DE (1) DE2441579A1 (en)
FI (1) FI53848C (en)
SE (1) SE412610B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288288A (en) * 1979-06-15 1981-09-08 Weyerhaeuser Company Apparatus for mixing chemicals into pulp at a refiner inlet
FI77063B (en) * 1986-12-17 1988-09-30 Ahlstroem Oy FOERFARANDE FOER EFFEKTIVERING AV FIBERSUSPENSIONSTVAETT.
SE516489E8 (en) * 1995-03-28 2015-10-20 Glv Fin Hungary Kft Methods and equipment for treating a fiber pulp suspension
CA2306374C (en) 1997-10-14 2006-12-05 A. Ahlstrom Osakeyhtio Method and apparatus for heating pulps
SE522593C2 (en) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech Oxygen gas delignification system and method of pulp of lignocellulosic material
JP4865594B2 (en) * 2007-02-27 2012-02-01 本田技研工業株式会社 Car positioning system

Also Published As

Publication number Publication date
DE2441579A1 (en) 1975-03-13
JPS5070601A (en) 1975-06-12
FI53848C (en) 1978-08-10
FI273673A (en) 1975-03-04
CA1047209A (en) 1979-01-30
SE412610B (en) 1980-03-10
SE7411012L (en) 1975-04-01

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