AU524841B2 - Cellulose pulp resin content reduction - Google Patents

Cellulose pulp resin content reduction

Info

Publication number
AU524841B2
AU524841B2 AU62195/80A AU6219580A AU524841B2 AU 524841 B2 AU524841 B2 AU 524841B2 AU 62195/80 A AU62195/80 A AU 62195/80A AU 6219580 A AU6219580 A AU 6219580A AU 524841 B2 AU524841 B2 AU 524841B2
Authority
AU
Australia
Prior art keywords
resin content
cellulose pulp
content reduction
pulp resin
reduction
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.)
Expired
Application number
AU62195/80A
Other languages
English (en)
Other versions
AU6219580A (en
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 AU6219580A publication Critical patent/AU6219580A/en
Application granted granted Critical
Publication of AU524841B2 publication Critical patent/AU524841B2/en
Anticipated expiration legal-status Critical
Expired 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)
AU62195/80A 1979-09-12 1980-09-10 Cellulose pulp resin content reduction Expired AU524841B2 (en)

Applications Claiming Priority (2)

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
SE79075578 1979-09-12

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU77888/81A Addition AU529326B2 (en) 1980-12-05 1981-11-25 Reducing resin content of pulp

Publications (2)

Publication Number Publication Date
AU6219580A AU6219580A (en) 1981-03-19
AU524841B2 true AU524841B2 (en) 1982-10-07

Family

ID=20338805

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62195/80A Expired AU524841B2 (en) 1979-09-12 1980-09-10 Cellulose pulp resin content reduction

Country Status (11)

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

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 (cs) *
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
JPS5643496A (en) 1981-04-22
NO155498B (no) 1986-12-29
AT374512B (de) 1984-05-10
FR2465026A1 (fr) 1981-03-20
FR2465026B1 (cs) 1983-08-19
DE3034042A1 (de) 1981-04-02
NO802658L (no) 1981-03-13
SE7907557L (sv) 1981-03-13
FI802742A7 (fi) 1981-03-13
CH651083A5 (en) 1985-08-30
NO155498C (no) 1994-11-21
FI68680C (fi) 1985-10-10
ATA457680A (de) 1983-09-15
FI68680B (fi) 1985-06-28
CA1157209A (en) 1983-11-22
SE418628B (sv) 1981-06-15
DE3034042C2 (de) 1985-08-22
AU6219580A (en) 1981-03-19
BR8005524A (pt) 1981-03-17
JPH0114357B2 (cs) 1989-03-10

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired