SE412610B - SET FOR TREATMENT OF CELLULOSA MASS WITH ACID UNDER ALKALIC CONDITIONS AT HIGH PRESSURE AND TEMPERATURE - Google Patents

SET FOR TREATMENT OF CELLULOSA MASS WITH ACID UNDER ALKALIC CONDITIONS AT HIGH PRESSURE AND TEMPERATURE

Info

Publication number
SE412610B
SE412610B SE7411012A SE7411012A SE412610B SE 412610 B SE412610 B SE 412610B SE 7411012 A SE7411012 A SE 7411012A SE 7411012 A SE7411012 A SE 7411012A SE 412610 B SE412610 B SE 412610B
Authority
SE
Sweden
Prior art keywords
cellulosa
alkalic
mass
treatment
conditions
Prior art date
Application number
SE7411012A
Other languages
Swedish (sv)
Other versions
SE7411012L (en
Inventor
I Yrjele
L Suininen
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
Publication of SE7411012L publication Critical patent/SE7411012L/xx
Publication of SE412610B publication Critical patent/SE412610B/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)
SE7411012A 1973-09-03 1974-08-30 SET FOR TREATMENT OF CELLULOSA MASS WITH ACID UNDER ALKALIC CONDITIONS AT HIGH PRESSURE AND TEMPERATURE SE412610B (en)

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 (2)

Publication Number Publication Date
SE7411012L SE7411012L (en) 1975-04-01
SE412610B true SE412610B (en) 1980-03-10

Family

ID=8507529

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002641A1 (en) * 1999-07-06 2001-01-11 Kvaerner Pulping Ab System for the oxygen delignification of pulp consisting of lignocellulose-containing material

Families Citing this family (5)

* 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
JP4865594B2 (en) * 2007-02-27 2012-02-01 本田技研工業株式会社 Car positioning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002641A1 (en) * 1999-07-06 2001-01-11 Kvaerner Pulping Ab System for the oxygen delignification of pulp consisting of lignocellulose-containing material

Also Published As

Publication number Publication date
FI273673A (en) 1975-03-04
FI53848B (en) 1978-05-02
DE2441579A1 (en) 1975-03-13
JPS5070601A (en) 1975-06-12
SE7411012L (en) 1975-04-01
CA1047209A (en) 1979-01-30
FI53848C (en) 1978-08-10

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