[go: up one dir, main page]

CA2030090A1 - Lessivage en continu modifie au sulfite - Google Patents

Lessivage en continu modifie au sulfite

Info

Publication number
CA2030090A1
CA2030090A1 CA002030090A CA2030090A CA2030090A1 CA 2030090 A1 CA2030090 A1 CA 2030090A1 CA 002030090 A CA002030090 A CA 002030090A CA 2030090 A CA2030090 A CA 2030090A CA 2030090 A1 CA2030090 A1 CA 2030090A1
Authority
CA
Canada
Prior art keywords
vessel
sulfite
recited
liquor
cooking liquor
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.)
Abandoned
Application number
CA002030090A
Other languages
English (en)
Inventor
Bertil Stromberg
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.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of CA2030090A1 publication Critical patent/CA2030090A1/fr
Abandoned 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
    • D21C7/00—Digesters
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Materials For Medical Uses (AREA)
  • Packages (AREA)
CA002030090A 1990-08-17 1990-11-15 Lessivage en continu modifie au sulfite Abandoned CA2030090A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56914290A 1990-08-17 1990-08-17
US569,142 1990-08-17

Publications (1)

Publication Number Publication Date
CA2030090A1 true CA2030090A1 (fr) 1992-02-18

Family

ID=24274268

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002030090A Abandoned CA2030090A1 (fr) 1990-08-17 1990-11-15 Lessivage en continu modifie au sulfite

Country Status (10)

Country Link
EP (1) EP0471154B1 (fr)
JP (1) JPH04240282A (fr)
AT (1) ATE160601T1 (fr)
AU (1) AU639109B2 (fr)
BR (1) BR9103492A (fr)
CA (1) CA2030090A1 (fr)
DE (1) DE69128267T2 (fr)
FI (1) FI913823A7 (fr)
NO (1) NO913209L (fr)
ZA (1) ZA909259B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2318940C1 (ru) * 2006-07-17 2008-03-10 Государственное образовательное учреждение высшего профессионального образования "Пермский государственный технический университет" Способ получения целлюлозы
DE102009057208A1 (de) 2009-11-27 2011-06-01 Technische Universität Dresden Verfahren zur Herstellung von lignozellulosen Papierfaserstoffen sowie daraus gewonnene Papiere, Kartone und Pappen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215588A (en) * 1963-08-15 1965-11-02 Lummus Co Continuous impregnation, cooking, and washing of fibrous material
FI44514B (fr) * 1963-12-13 1971-08-02 Kamyr Ab
US3427218A (en) * 1964-07-10 1969-02-11 Kamyr Ab Method of performing counter-current continuous cellulose digestion
SE359331B (fr) * 1970-03-17 1973-08-27 Kamyr Ab
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips

Also Published As

Publication number Publication date
EP0471154B1 (fr) 1997-11-26
JPH04240282A (ja) 1992-08-27
AU639109B2 (en) 1993-07-15
ATE160601T1 (de) 1997-12-15
DE69128267D1 (de) 1998-01-08
DE69128267T2 (de) 1998-06-18
ZA909259B (en) 1991-11-27
FI913823A0 (fi) 1991-08-13
BR9103492A (pt) 1992-05-12
EP0471154A3 (en) 1993-06-09
NO913209L (no) 1992-02-18
EP0471154A2 (fr) 1992-02-19
FI913823A7 (fi) 1992-02-18
NO913209D0 (no) 1991-08-16
AU7829691A (en) 1992-02-20

Similar Documents

Publication Publication Date Title
EP0698139B1 (fr) Reduction des matieres solides dissoutes pendant la production de pate a papier
CA1332526C (fr) Methode de lessivage en continu de fibres de cellulose
US5779856A (en) Cooking cellulose material using high alkali concentrations and/or high pH near the end of the cook
US3097987A (en) Continuous pulping process
CA1043515A (fr) Methode de regulation de la digestion des pates alcalines en cuve en combinaison avec la delignification alcaline continue a l'oxygene
EP0527294B1 (fr) Traitement des copeaux de bois avec de la liqueur noire
EP0476230A2 (fr) Cuisson kraft complète avec lessive blanche ajoutée à la circulation de lavage
JPS6012477B2 (ja) リグノセルロ−ス物質の連続アルカリ脱リグニン化法
EP0937813B1 (fr) Procédé de contrôle de la pression d'un lessiveur vertical continu
WO1999045191A1 (fr) Traitement de matiere cellulosique avec des additifs au cours de la production de pate a papier
US5660686A (en) Cooking with spent liquor pretreatment of cellulose material
US5824188A (en) Method of controlling the pressure of a continuous digester using an extraction-dilution
US5192396A (en) Process for the continuous digestion of cellulosic fiber material
US6132556A (en) Method of controlling pulp digester pressure via liquor extraction
EP0635080B1 (fr) Procede de production de pate
CA2030090A1 (fr) Lessivage en continu modifie au sulfite
WO1995032331A1 (fr) Impregnation sulfuree de copeaux pour procede alcalin de trituration
CA2189899C (fr) Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson
CA2273146C (fr) Reduction de la teneur de la pate en matieres dissoutes
AU3236799A (en) Dissolved solids control in pulp protection

Legal Events

Date Code Title Description
FZDE Discontinued