ATE472631T1 - Verfahren zum kontinuierlichen kochen von zellstoff - Google Patents

Verfahren zum kontinuierlichen kochen von zellstoff

Info

Publication number
ATE472631T1
ATE472631T1 AT02792125T AT02792125T ATE472631T1 AT E472631 T1 ATE472631 T1 AT E472631T1 AT 02792125 T AT02792125 T AT 02792125T AT 02792125 T AT02792125 T AT 02792125T AT E472631 T1 ATE472631 T1 AT E472631T1
Authority
AT
Austria
Prior art keywords
sub
digester system
digester
process liquid
cooking
Prior art date
Application number
AT02792125T
Other languages
English (en)
Inventor
Catrin Gustavsson
Mikael Lindstroem
Krister Olsson
Vidar Snekkenes
Original Assignee
Metso Fiber Karlstad 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20286187&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE472631(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Metso Fiber Karlstad Ab filed Critical Metso Fiber Karlstad Ab
Application granted granted Critical
Publication of ATE472631T1 publication Critical patent/ATE472631T1/de

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
    • D21C7/14—Means for circulating the lye

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT02792125T 2001-12-05 2002-12-04 Verfahren zum kontinuierlichen kochen von zellstoff ATE472631T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0104063A SE520956C2 (sv) 2001-12-05 2001-12-05 Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren
PCT/SE2002/002225 WO2003060229A1 (en) 2001-12-05 2002-12-04 Process for continuously cooking chemical cellulose pulp

Publications (1)

Publication Number Publication Date
ATE472631T1 true ATE472631T1 (de) 2010-07-15

Family

ID=20286187

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02792125T ATE472631T1 (de) 2001-12-05 2002-12-04 Verfahren zum kontinuierlichen kochen von zellstoff

Country Status (9)

Country Link
US (1) US7217338B2 (de)
EP (1) EP1454009B1 (de)
JP (1) JP4292082B2 (de)
AT (1) ATE472631T1 (de)
AU (1) AU2002358364A1 (de)
BR (1) BR0214632B1 (de)
DE (1) DE60236889D1 (de)
SE (1) SE520956C2 (de)
WO (1) WO2003060229A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0200937L (sv) * 2002-03-25 2002-12-23 Kvaerner Pulping Tech Förfarande för modifiering av cellulosafibrer i samband med kokning
SE0401870D0 (sv) * 2004-07-15 2004-07-15 Kvaerner Pulping Tech Förfarande för impregnering av flis
SE529206C2 (sv) 2005-11-29 2007-05-29 Metso Fiber Karlstad Ab Förfarande och anordning vid kontinuerlig kokning av kemisk cellulosamassa
SE528448C2 (sv) * 2006-02-10 2006-11-14 Kvaerner Pulping Tech Förfarande för impregnering av flis i ett kontinuerligt kokerisystem
SE530332C2 (sv) * 2006-11-07 2008-05-06 Metso Fiber Karlstad Ab Förfarande för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri
SE531632C2 (sv) * 2007-12-20 2009-06-09 Metso Fiber Karlstad Ab Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs
CN103628340B (zh) * 2013-12-15 2015-09-09 来安县新元机电设备设计有限公司 一种鲜青檀皮加工系统
CN114481656B (zh) 2015-06-11 2024-03-22 思科有限责任公司 用于从植物基和再生材料生产纸浆、能源和生物衍生物的方法和系统
CN105256625A (zh) * 2015-09-18 2016-01-20 新疆国力源投资有限公司 一种制备漂白竹浆的方法
CN111868316B (zh) 2018-01-12 2023-09-05 希尔科公司 从废弃纺织品中回收棉纤维和聚酯纤维的方法
EP4402202A4 (de) 2021-09-16 2025-07-09 Circ Llc Verfahren zur herstellung eines polyesters aus einer regenerierten disäure, die durch depolymerisation eines abfallmaterials gebildet wird

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE225253C1 (de) 1969-02-25
FR1510761A (fr) * 1966-03-03 1968-01-19 Mo Och Domsjoe Ab Procédé pour l'accroissement du rendement de la préparation de pâtes à papier par voie alcaline
US3383277A (en) * 1967-02-06 1968-05-14 Scott Paper Co Two-stage pulping process with an isothermal first stage
SE413785B (sv) * 1978-09-22 1980-06-23 Mo Och Domsjoe Ab Forfarande for uppslutning av lignocellulosahaltiga material genom alkalisk kokning i nervaro av ett tillsatsemne av redoxtyp
FI69854C (fi) * 1984-04-02 1986-05-26 Enso Gutzeit Oy Foerfarande foer foervaratagning av loesliga kolhydrater i trae
SE453840B (sv) * 1984-12-21 1988-03-07 Mo Och Domsjoe Ab Forfarande vid framstellning av cellulosamassa
FI75615C (fi) * 1985-11-29 1991-08-26 Ahlstroem Oy Foerfarande foer saenkning av svartlutens viskositet.
CA1299322C (en) * 1987-10-26 1992-04-28 Larry A. Wilhelmsen Apparatus and methods for reducing the formation of scale in pulping operations
US5489363A (en) 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
FI95607C (fi) * 1994-06-03 1996-02-26 Valtion Teknillinen Menetelmä ja entsyymivalmiste selluloosamassojen käsittelemiseksi
US6776876B1 (en) * 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
AT403301B (de) * 1996-04-04 1998-01-26 Impco Voest Alpine Pulp Tech Kontinuierliche flüssigkeitsführung
US5774898A (en) 1996-05-02 1998-07-07 Malpee; Mitchell G. Athletic footwear for soft terrain
US20020139497A1 (en) * 1996-06-05 2002-10-03 Jiang Jian Er Metal extraction prior to chelation in chemical pulp production
US6475338B1 (en) * 1996-06-05 2002-11-05 Andritz Inc. Method of minimizing transition metal ions during chemical pulping in a digester by adding chelating agent to the digester
US5882477A (en) * 1997-02-10 1999-03-16 Ahlstrom Machinery, Inc. Continuous digester with a low temperature gas-phase
SE511850C2 (sv) 1997-02-10 1999-12-06 Kvaerner Pulping Tech Sätt och anläggning för kontinuerlig kokning av fibermaterial
US5885414A (en) * 1997-08-18 1999-03-23 Kvaerner Pulping Ab Method of producing pulp with high alkali cooking in the last cooking stage
US6468390B1 (en) * 1998-08-24 2002-10-22 Kvaerner Pulping Ab Method for continuous cooking of lignocellulosic fiber material
US6464827B1 (en) * 2000-11-28 2002-10-15 Praxair Technology, Inc. Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissociated lignin
SE518542C2 (sv) * 2001-03-21 2002-10-22 Kvaerner Pulping Tech Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare

Also Published As

Publication number Publication date
JP4292082B2 (ja) 2009-07-08
BR0214632B1 (pt) 2013-06-04
US7217338B2 (en) 2007-05-15
JP2005515311A (ja) 2005-05-26
WO2003060229A1 (en) 2003-07-24
AU2002358364A1 (en) 2003-07-30
US20040261960A1 (en) 2004-12-30
SE0104063L (sv) 2003-06-06
SE0104063D0 (sv) 2001-12-05
SE520956C2 (sv) 2003-09-16
EP1454009A1 (de) 2004-09-08
EP1454009B1 (de) 2010-06-30
BR0214632A (pt) 2004-11-03
DE60236889D1 (de) 2010-08-12

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