FR2465026A1 - Procede pour reduire la teneur en resine pendant la preparation de pates de cellulose provenant de matieres lignocellulosiques et appareil pour sa mise en oeuvre - Google Patents

Procede pour reduire la teneur en resine pendant la preparation de pates de cellulose provenant de matieres lignocellulosiques et appareil pour sa mise en oeuvre Download PDF

Info

Publication number
FR2465026A1
FR2465026A1 FR8019697A FR8019697A FR2465026A1 FR 2465026 A1 FR2465026 A1 FR 2465026A1 FR 8019697 A FR8019697 A FR 8019697A FR 8019697 A FR8019697 A FR 8019697A FR 2465026 A1 FR2465026 A1 FR 2465026A1
Authority
FR
France
Prior art keywords
dough
alkali
pulp
treatment
addition
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR8019697A
Other languages
English (en)
French (fr)
Other versions
FR2465026B1 (fi
Inventor
Jonas Arne Ingvar Lindahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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 Mo och Domsjo AB filed Critical Mo och Domsjo AB
Publication of FR2465026A1 publication Critical patent/FR2465026A1/fr
Application granted granted Critical
Publication of FR2465026B1 publication Critical patent/FR2465026B1/fr
Granted legal-status Critical Current

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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FR8019697A 1979-09-12 1980-09-12 Procede pour reduire la teneur en resine pendant la preparation de pates de cellulose provenant de matieres lignocellulosiques et appareil pour sa mise en oeuvre Granted FR2465026A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7907557A SE418628B (sv) 1979-09-12 1979-09-12 Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial

Publications (2)

Publication Number Publication Date
FR2465026A1 true FR2465026A1 (fr) 1981-03-20
FR2465026B1 FR2465026B1 (fi) 1983-08-19

Family

ID=20338805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019697A Granted FR2465026A1 (fr) 1979-09-12 1980-09-12 Procede pour reduire la teneur en resine pendant la preparation de pates de cellulose provenant de matieres lignocellulosiques et appareil pour sa mise en oeuvre

Country Status (11)

Country Link
JP (1) JPS5643496A (fi)
AT (1) AT374512B (fi)
AU (1) AU524841B2 (fi)
BR (1) BR8005524A (fi)
CA (1) CA1157209A (fi)
CH (1) CH651083A5 (fi)
DE (1) DE3034042C2 (fi)
FI (1) FI68680C (fi)
FR (1) FR2465026A1 (fi)
NO (1) NO155498C (fi)
SE (1) SE418628B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495655A1 (fr) * 1980-11-21 1982-06-11 Mo Och Domsjoe Ab Procede pour reduire la teneur en resine dans la preparation de pates de cellulose provenant de matieres lignocellulosiques

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8405128L (sv) * 1984-10-15 1986-04-16 Kamyr Ab Behandling av hogutbytesmassa
SE502321C2 (sv) * 1994-03-04 1995-10-02 Kvaerner Pulping Tech Förfarande vid ozonblekning av sulfitmassa
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane
FI20105799A0 (fi) 2010-07-13 2010-07-13 Olli Joutsimo Parantunut kemiallisen massan valmistusprosessi

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2000562A (en) * 1933-07-06 1935-05-07 Patentaktiebolaget Grondal Ram Process of removing resin from sulphite cellulose
US2224159A (en) * 1937-09-27 1940-12-10 Rayonier Inc Process for purifying wood pulp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE84946C (fi) *
DE363666C (de) * 1918-01-23 1922-11-11 Carl G Schwalbe Dr Verfahren zur Entfernung von Harz, Fett, Wachs u. dgl. aus Pflanzenstoffen, insbesondere aus Holz und Holzzellstoffen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2000562A (en) * 1933-07-06 1935-05-07 Patentaktiebolaget Grondal Ram Process of removing resin from sulphite cellulose
US2224159A (en) * 1937-09-27 1940-12-10 Rayonier Inc Process for purifying wood pulp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495655A1 (fr) * 1980-11-21 1982-06-11 Mo Och Domsjoe Ab Procede pour reduire la teneur en resine dans la preparation de pates de cellulose provenant de matieres lignocellulosiques

Also Published As

Publication number Publication date
CH651083A5 (en) 1985-08-30
AU524841B2 (en) 1982-10-07
DE3034042C2 (de) 1985-08-22
NO155498B (no) 1986-12-29
FR2465026B1 (fi) 1983-08-19
CA1157209A (en) 1983-11-22
NO155498C (no) 1994-11-21
FI802742A (fi) 1981-03-13
JPH0114357B2 (fi) 1989-03-10
AU6219580A (en) 1981-03-19
FI68680B (fi) 1985-06-28
AT374512B (de) 1984-05-10
ATA457680A (de) 1983-09-15
NO802658L (no) 1981-03-13
BR8005524A (pt) 1981-03-17
JPS5643496A (en) 1981-04-22
FI68680C (fi) 1985-10-10
DE3034042A1 (de) 1981-04-02
SE7907557L (sv) 1981-03-13
SE418628B (sv) 1981-06-15

Similar Documents

Publication Publication Date Title
FR2495655A1 (fr) Procede pour reduire la teneur en resine dans la preparation de pates de cellulose provenant de matieres lignocellulosiques
EP0141138B1 (fr) Procédé pour le traitement des matières cellulosiques par des agents oxydants
EP0018287B1 (fr) Procédé de délignification de pâte à papier chimique écrue
CA2844380C (fr) Pretraitement enzymatique de bois dans un procede de fabrication de pate a papier mecanique
NO330358B1 (no) Fremgangsmåte for å lysgjøre mekanisk masse
EP1322814B8 (fr) Procede de blanchiment de pates a papier
NO128372B (fi)
US3620911A (en) Wet depithing of a nonwoody lignocellulosic plant material
FR2513280A1 (fr) Procede de blanchiment de pate de cellulose par delignification
FR2465026A1 (fr) Procede pour reduire la teneur en resine pendant la preparation de pates de cellulose provenant de matieres lignocellulosiques et appareil pour sa mise en oeuvre
CA1112494A (fr) Procede et machine de fabrication de pate a papier
FR2743579A1 (fr) Procede de fabrication de pate a papier a partir de plantes lignocellulosiques et pate a papier obtenue
FR2482988A1 (fr) Procede de pulpation au sulfite alcalin
EP0070782B1 (fr) Procédé de fabrication d'une pâte de fibres cellulosique pour utilisation non papetière
EP0293309A1 (fr) Procédé de préparation de pâtes chimicothermomécaniques
KR20010049536A (ko) 리그노셀룰로오스성 물질의 산소 탈리그닌화
FR2544757A1 (fr) Procede et appareil de digestion pour la production de pulpe de haute qualite
FR2486555A1 (fr) Procede de fabrication de pate de bois rape blanchie provenant de matieres lignocellulosiques
FR2537177A1 (fr) Procede pour le blanchiment de produits contenant de la cellulose
CA1128260A (fr) Procede de fabrication de pates papetieres chimiques
BE886870R (fr) Procede de fabrication de pate a papier destinee a la fabrication de papier, carton ou autres produits cellulosiques similaires
SE424884B (sv) Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial
EP0180529B1 (fr) Procédé pour la préparation des pâtes papetières chimiques en vue du blanchiment
FR2507639A1 (fr) Procede de blanchiment de matieres contenant de la cellulose
BE656601A (fi)