EP3129546A4 - Procédé de lessivage de matériau fibreux de cellulose dans un lessiveur en continu - Google Patents

Procédé de lessivage de matériau fibreux de cellulose dans un lessiveur en continu Download PDF

Info

Publication number
EP3129546A4
EP3129546A4 EP15776194.1A EP15776194A EP3129546A4 EP 3129546 A4 EP3129546 A4 EP 3129546A4 EP 15776194 A EP15776194 A EP 15776194A EP 3129546 A4 EP3129546 A4 EP 3129546A4
Authority
EP
European Patent Office
Prior art keywords
fibrous material
continuous digester
cellulose fibrous
digesting cellulose
digesting
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.)
Withdrawn
Application number
EP15776194.1A
Other languages
German (de)
English (en)
Other versions
EP3129546A1 (fr
Inventor
Mats NÄSMAN
Joni LAPATTO
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.)
Stora Enso Oyj
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Publication of EP3129546A1 publication Critical patent/EP3129546A1/fr
Publication of EP3129546A4 publication Critical patent/EP3129546A4/fr
Withdrawn legal-status Critical Current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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
EP15776194.1A 2014-04-07 2015-04-02 Procédé de lessivage de matériau fibreux de cellulose dans un lessiveur en continu Withdrawn EP3129546A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461976053P 2014-04-07 2014-04-07
PCT/IB2015/052419 WO2015155642A1 (fr) 2014-04-07 2015-04-02 Procédé de lessivage de matériau fibreux de cellulose dans un lessiveur en continu

Publications (2)

Publication Number Publication Date
EP3129546A1 EP3129546A1 (fr) 2017-02-15
EP3129546A4 true EP3129546A4 (fr) 2017-11-15

Family

ID=54287367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15776194.1A Withdrawn EP3129546A4 (fr) 2014-04-07 2015-04-02 Procédé de lessivage de matériau fibreux de cellulose dans un lessiveur en continu

Country Status (5)

Country Link
US (1) US20170022664A1 (fr)
EP (1) EP3129546A4 (fr)
CN (1) CN106164370B (fr)
BR (1) BR112016023526A2 (fr)
WO (1) WO2015155642A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007839A (en) * 1958-07-09 1961-11-07 Kamyr Ab Method and plant for continuous cellulose digestion
WO1999045191A1 (fr) * 1998-03-03 1999-09-10 Ahlstrom Machinery Inc. Traitement de matiere cellulosique avec des additifs au cours de la production de pate a papier
WO2005116327A1 (fr) * 2004-05-28 2005-12-08 Metso Paper, Inc. Tamis central
US20080295981A1 (en) * 2007-05-23 2008-12-04 Andritz Inc. Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
US20080302492A1 (en) * 2007-05-23 2008-12-11 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO115278B (fr) * 1962-03-03 1968-09-09 Kamyr Ab
SE356775B (fr) * 1970-02-11 1973-06-04 Karlstad Mekaniska Ab
SE500455C2 (sv) * 1992-11-18 1994-06-27 Kamyr Ab Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
SE531067C2 (sv) * 2005-09-15 2008-12-09 Metso Fiber Karlstad Ab Kontinuerlig kokare med vätskecirkulation
SE533610C2 (sv) * 2009-03-26 2010-11-02 Metso Fiber Karlstad Ab Förfarande och anordning för tvätt efter avslutat kok i en kontinuerlig kokare för framställning av cellulosamassa
PT2504486E (pt) * 2009-11-24 2015-06-16 Andritz Inc Método e sistema para cozimento de aparas finas em digestor
US8647473B2 (en) * 2011-01-25 2014-02-11 Metso Paper Sweden Ab Continuous digester with a bottom scraper equipped with draining apertures
US9371612B2 (en) * 2011-02-22 2016-06-21 Andritz Inc. Method and apparatus to produce pulp using pre-hydrolysis and Kraft cooking

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007839A (en) * 1958-07-09 1961-11-07 Kamyr Ab Method and plant for continuous cellulose digestion
WO1999045191A1 (fr) * 1998-03-03 1999-09-10 Ahlstrom Machinery Inc. Traitement de matiere cellulosique avec des additifs au cours de la production de pate a papier
WO2005116327A1 (fr) * 2004-05-28 2005-12-08 Metso Paper, Inc. Tamis central
US20080295981A1 (en) * 2007-05-23 2008-12-04 Andritz Inc. Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
US20080302492A1 (en) * 2007-05-23 2008-12-11 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015155642A1 *

Also Published As

Publication number Publication date
WO2015155642A1 (fr) 2015-10-15
CN106164370A (zh) 2016-11-23
US20170022664A1 (en) 2017-01-26
BR112016023526A2 (pt) 2017-08-15
CN106164370B (zh) 2019-01-18
EP3129546A1 (fr) 2017-02-15

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