CA1162358A - Procede et appareil pour deresinifier et rendre plus eclatante la pate cellulosique - Google Patents

Procede et appareil pour deresinifier et rendre plus eclatante la pate cellulosique

Info

Publication number
CA1162358A
CA1162358A CA000391674A CA391674A CA1162358A CA 1162358 A CA1162358 A CA 1162358A CA 000391674 A CA000391674 A CA 000391674A CA 391674 A CA391674 A CA 391674A CA 1162358 A CA1162358 A CA 1162358A
Authority
CA
Canada
Prior art keywords
pulp
alkali
process according
bleaching agent
cellulose
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
CA000391674A
Other languages
English (en)
Inventor
Jonas A.I. 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
Application granted granted Critical
Publication of CA1162358A publication Critical patent/CA1162358A/fr
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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA000391674A 1980-12-05 1981-12-07 Procede et appareil pour deresinifier et rendre plus eclatante la pate cellulosique Expired CA1162358A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8008574A SE424884B (sv) 1980-12-05 1980-12-05 Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial
SE8008574-9 1980-12-05

Publications (1)

Publication Number Publication Date
CA1162358A true CA1162358A (fr) 1984-02-21

Family

ID=20342404

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000391674A Expired CA1162358A (fr) 1980-12-05 1981-12-07 Procede et appareil pour deresinifier et rendre plus eclatante la pate cellulosique

Country Status (8)

Country Link
JP (1) JPS57121692A (fr)
AU (1) AU529326B2 (fr)
CA (1) CA1162358A (fr)
CH (1) CH655965A5 (fr)
DE (1) DE3148101C2 (fr)
FI (1) FI69657C (fr)
NO (1) NO156905C (fr)
SE (1) SE424884B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5605604A (en) * 1994-03-04 1997-02-25 Kvaerner Pulping Aktiebolag Method of reducing the resin content in sulfite pulp
WO2008028960A1 (fr) 2006-09-08 2008-03-13 Linde Aktiengesellschaft Procédé d'extraction de la résine de la pâte à papier et utilisation associée de dioxyde de carbone ou de carbonate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930980A (ja) * 1982-08-12 1984-02-18 王子製紙株式会社 リグノセルロ−ス物質の漂白方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5605604A (en) * 1994-03-04 1997-02-25 Kvaerner Pulping Aktiebolag Method of reducing the resin content in sulfite pulp
WO2008028960A1 (fr) 2006-09-08 2008-03-13 Linde Aktiengesellschaft Procédé d'extraction de la résine de la pâte à papier et utilisation associée de dioxyde de carbone ou de carbonate

Also Published As

Publication number Publication date
CH655965A5 (de) 1986-05-30
JPS57121692A (en) 1982-07-29
DE3148101A1 (de) 1982-08-12
AU7788881A (en) 1982-06-17
FI69657C (fi) 1990-10-31
FI69657B (fi) 1985-11-29
FI813896L (fi) 1982-06-06
SE424884B (sv) 1982-08-16
JPH0114358B2 (fr) 1989-03-10
AU529326B2 (en) 1983-06-02
DE3148101C2 (de) 1985-11-07
SE8008574L (sv) 1982-06-06
NO156905C (no) 1987-12-16
NO814163L (no) 1982-06-07
NO156905B (no) 1987-09-07

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Legal Events

Date Code Title Description
MKEX Expiry