BR8005524A - PROCESS AND APPARATUS FOR REDUCING RESIN CONTENT IN THE PREPARATION OF CELLULOSE PULPS - Google Patents

PROCESS AND APPARATUS FOR REDUCING RESIN CONTENT IN THE PREPARATION OF CELLULOSE PULPS

Info

Publication number
BR8005524A
BR8005524A BR8005524A BR8005524A BR8005524A BR 8005524 A BR8005524 A BR 8005524A BR 8005524 A BR8005524 A BR 8005524A BR 8005524 A BR8005524 A BR 8005524A BR 8005524 A BR8005524 A BR 8005524A
Authority
BR
Brazil
Prior art keywords
preparation
resin content
cellulose pulps
reducing resin
pulps
Prior art date
Application number
BR8005524A
Other languages
Portuguese (pt)
Inventor
A 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 BR8005524A publication Critical patent/BR8005524A/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
    • D21C9/08—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)
BR8005524A 1979-09-12 1980-08-29 PROCESS AND APPARATUS FOR REDUCING RESIN CONTENT IN THE PREPARATION OF CELLULOSE PULPS BR8005524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7907557A SE418628B (en) 1979-09-12 1979-09-12 PROCEDURE FOR HEART LOSS REDUCTION IN MANUFACTURING CELLULOSAMASSES OF LIGNOCELLULOSAMENTAL

Publications (1)

Publication Number Publication Date
BR8005524A true BR8005524A (en) 1981-03-17

Family

ID=20338805

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8005524A BR8005524A (en) 1979-09-12 1980-08-29 PROCESS AND APPARATUS FOR REDUCING RESIN CONTENT IN THE PREPARATION OF CELLULOSE PULPS

Country Status (11)

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

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 (en) * 1984-10-15 1986-04-16 Kamyr Ab TREATMENT OF HOG EXCHANGE MASS
SE502321C2 (en) * 1994-03-04 1995-10-02 Kvaerner Pulping Tech Process of ozone bleaching of sulphite pulp
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 (en) 2010-07-13 2010-07-13 Olli Joutsimo Improved chemical pulp manufacturing process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE84946C (en) *
DE363666C (en) * 1918-01-23 1922-11-11 Carl G Schwalbe Dr Process for removing resin, grease, wax and the like Like. Made from vegetable matter, especially wood and wood pulp
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 (en) 1986-12-29
FI802742A (en) 1981-03-13
AU524841B2 (en) 1982-10-07
ATA457680A (en) 1983-09-15
FR2465026B1 (en) 1983-08-19
SE418628B (en) 1981-06-15
JPH0114357B2 (en) 1989-03-10
CH651083A5 (en) 1985-08-30
FI68680C (en) 1985-10-10
DE3034042A1 (en) 1981-04-02
SE7907557L (en) 1981-03-13
CA1157209A (en) 1983-11-22
DE3034042C2 (en) 1985-08-22
JPS5643496A (en) 1981-04-22
AU6219580A (en) 1981-03-19
NO155498C (en) 1994-11-21
FR2465026A1 (en) 1981-03-20
NO802658L (en) 1981-03-13
FI68680B (en) 1985-06-28
AT374512B (en) 1984-05-10

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950829