NO155498C - Fremgangsmåte for å redusere harpiksinnholdet ved fremstilling av blekede eller ublekede cellulosemasser fra lignocellulosemateriale. - Google Patents

Fremgangsmåte for å redusere harpiksinnholdet ved fremstilling av blekede eller ublekede cellulosemasser fra lignocellulosemateriale.

Info

Publication number
NO155498C
NO155498C NO802658A NO802658A NO155498C NO 155498 C NO155498 C NO 155498C NO 802658 A NO802658 A NO 802658A NO 802658 A NO802658 A NO 802658A NO 155498 C NO155498 C NO 155498C
Authority
NO
Norway
Prior art keywords
bleached
preparation
reducing
lignocellulosic material
resin content
Prior art date
Application number
NO802658A
Other languages
English (en)
Other versions
NO155498B (no
NO802658L (no
Inventor
Jonas Arne Ingvar Lindahl
Original Assignee
Mo Och Domsjoe 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 Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of NO802658L publication Critical patent/NO802658L/no
Publication of NO155498B publication Critical patent/NO155498B/no
Publication of NO155498C publication Critical patent/NO155498C/no

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)
NO802658A 1979-09-12 1980-09-09 Fremgangsmåte for å redusere harpiksinnholdet ved fremstilling av blekede eller ublekede cellulosemasser fra lignocellulosemateriale. NO155498C (no)

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 (3)

Publication Number Publication Date
NO802658L NO802658L (no) 1981-03-13
NO155498B NO155498B (no) 1986-12-29
NO155498C true NO155498C (no) 1994-11-21

Family

ID=20338805

Family Applications (1)

Application Number Title Priority Date Filing Date
NO802658A NO155498C (no) 1979-09-12 1980-09-09 Fremgangsmåte for å redusere harpiksinnholdet ved fremstilling av blekede eller ublekede cellulosemasser fra lignocellulosemateriale.

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444621A (en) * 1980-11-21 1984-04-24 Mo Och Domsjo Aktiebolag Process and apparatus for the deresination and brightness improvement of cellulose pulp
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE84946C (no) *
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
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

Also Published As

Publication number Publication date
NO155498B (no) 1986-12-29
FR2465026B1 (no) 1983-08-19
FI68680B (fi) 1985-06-28
CA1157209A (en) 1983-11-22
FI68680C (fi) 1985-10-10
NO802658L (no) 1981-03-13
FR2465026A1 (fr) 1981-03-20
SE418628B (sv) 1981-06-15
CH651083A5 (en) 1985-08-30
AU6219580A (en) 1981-03-19
JPH0114357B2 (no) 1989-03-10
DE3034042A1 (de) 1981-04-02
FI802742A (fi) 1981-03-13
JPS5643496A (en) 1981-04-22
AU524841B2 (en) 1982-10-07
SE7907557L (sv) 1981-03-13
ATA457680A (de) 1983-09-15
AT374512B (de) 1984-05-10
DE3034042C2 (de) 1985-08-22
BR8005524A (pt) 1981-03-17

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