SE7909839L - CONTINUOUS COOKING PROCEDURE FOR CELLULOSA AND BOILERS WITH DEVICES FOR PERFORMING THE PROCEDURE - Google Patents

CONTINUOUS COOKING PROCEDURE FOR CELLULOSA AND BOILERS WITH DEVICES FOR PERFORMING THE PROCEDURE

Info

Publication number
SE7909839L
SE7909839L SE7909839A SE7909839A SE7909839L SE 7909839 L SE7909839 L SE 7909839L SE 7909839 A SE7909839 A SE 7909839A SE 7909839 A SE7909839 A SE 7909839A SE 7909839 L SE7909839 L SE 7909839L
Authority
SE
Sweden
Prior art keywords
procedure
cellulosa
boilers
devices
continuous cooking
Prior art date
Application number
SE7909839A
Other languages
Swedish (sv)
Other versions
SE439939B (en
Inventor
I Yrjele
L 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
Priority claimed from FI751709A external-priority patent/FI52744C/en
Priority claimed from FI751710A external-priority patent/FI53008C/en
Priority claimed from FI751713A external-priority patent/FI53142C/fi
Priority claimed from FI751712A external-priority patent/FI53724C/en
Application filed by Rauma Repola Oy filed Critical Rauma Repola Oy
Priority to SE7909839A priority Critical patent/SE439939B/en
Publication of SE7909839L publication Critical patent/SE7909839L/en
Priority claimed from SE7909838A external-priority patent/SE439786B/en
Publication of SE439939B publication Critical patent/SE439939B/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Claims (1)

1. Patentkrav Kontinuerligt sulfit- eller bisulfitfiirfarande for cellulosakokning, dal- den kokvgtska innehgllande massan avIggsnas ur kokaren eventuellt via ett konceni.Teringssteg 001 Ott dgrpg faljande defibreringssteg och defibreringen sker I huvudsak yid kokarens tryck helt oiler i huvudsak utan tvIttning och massan kyles thre defibreringeg,k gnnetecknat dgrav, att defibreringen sker i temperaturomrgdet 90 - I°C.1. Continuous sulphite or bisulphite process for cellulose boiling, the boiling liquid containing the pulp is removed from the digester, possibly via a concentrating step 001. , characterized by a grave, that the defibration takes place in the temperature range 90 - I ° C.
SE7909839A 1975-06-09 1979-11-29 Continual sulphite or bisulphite process for cellulose boiling SE439939B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7909839A SE439939B (en) 1975-06-09 1979-11-29 Continual sulphite or bisulphite process for cellulose boiling

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
FI751709A FI52744C (en) 1975-06-09 1975-06-09 CONTAINER SULFIT- ELLER BISULFITKOKNINGSFOERFARANDE FOER CELLULOSA OCH ANORDNING FOER FOERVERKLIGANDET AV FOERFARANDET
FI751710A FI53008C (en) 1975-06-09 1975-06-09 CONTAINER SULFIT- ELLER BISULFITKOKNINGSFOERFARANDE FOER CELLULOSA OCH KOKARE MED ANORDNINGAR FOER FOERVERKLIGANDET AV FOERFARANDET
FI751711 1975-06-09
FI751713A FI53142C (en) 1975-06-09 1975-06-09
FI751712A FI53724C (en) 1975-06-09 1975-06-09 CONTAINER KOKNINGSMETOD FOER CELLULOSA OCH KOKARE MED ANORDNINGAR FOER FOERVERKLIGANDET AV METODEN
SE7909839A SE439939B (en) 1975-06-09 1979-11-29 Continual sulphite or bisulphite process for cellulose boiling
SE7909838A SE439786B (en) 1975-06-09 1979-11-29 CONTINUOUS SULPHITE OR BISULPHITE PROCEDURE FOR CELLULOS COOKING

Publications (2)

Publication Number Publication Date
SE7909839L true SE7909839L (en) 1979-11-29
SE439939B SE439939B (en) 1985-07-08

Family

ID=27562230

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7909839A SE439939B (en) 1975-06-09 1979-11-29 Continual sulphite or bisulphite process for cellulose boiling

Country Status (1)

Country Link
SE (1) SE439939B (en)

Also Published As

Publication number Publication date
SE439939B (en) 1985-07-08

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