DE69525064D1 - Schwarz-laugen imprägnierung in einzelgefäss-kochern - Google Patents

Schwarz-laugen imprägnierung in einzelgefäss-kochern

Info

Publication number
DE69525064D1
DE69525064D1 DE69525064T DE69525064T DE69525064D1 DE 69525064 D1 DE69525064 D1 DE 69525064D1 DE 69525064 T DE69525064 T DE 69525064T DE 69525064 T DE69525064 T DE 69525064T DE 69525064 D1 DE69525064 D1 DE 69525064D1
Authority
DE
Germany
Prior art keywords
digester
vessel
chips
black liquor
cookers
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 - Fee Related
Application number
DE69525064T
Other languages
English (en)
Other versions
DE69525064T2 (de
Inventor
Anders Bergqvist
Johan Engstroem
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.)
Metso Fiber Karlstad AB
Original Assignee
Kvaerner Pulping 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 Kvaerner Pulping AB filed Critical Kvaerner Pulping AB
Application granted granted Critical
Publication of DE69525064D1 publication Critical patent/DE69525064D1/de
Publication of DE69525064T2 publication Critical patent/DE69525064T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • 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)
  • Cookers (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
DE69525064T 1994-11-15 1995-11-10 Schwarz-laugen imprägnierung in einzelgefäss-kochern Expired - Fee Related DE69525064T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9403978A SE502510C2 (sv) 1994-11-15 1994-11-15 Svartlutsimpregnering i enkärlshydraulkokare
PCT/SE1995/001333 WO1996015313A1 (en) 1994-11-15 1995-11-10 Black liquor impregnation in single-vessel hydraulic digester

Publications (2)

Publication Number Publication Date
DE69525064D1 true DE69525064D1 (de) 2002-02-21
DE69525064T2 DE69525064T2 (de) 2002-09-05

Family

ID=20396019

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69525064T Expired - Fee Related DE69525064T2 (de) 1994-11-15 1995-11-10 Schwarz-laugen imprägnierung in einzelgefäss-kochern

Country Status (12)

Country Link
US (1) US6063238A (de)
EP (1) EP0792394B1 (de)
JP (1) JP3782824B2 (de)
AT (1) ATE212084T1 (de)
AU (1) AU3943195A (de)
CA (1) CA2202250C (de)
DE (1) DE69525064T2 (de)
ES (1) ES2171562T3 (de)
FI (1) FI115846B (de)
PT (1) PT792394E (de)
SE (1) SE502510C2 (de)
WO (1) WO1996015313A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE0104247L (sv) * 2001-12-14 2002-10-22 Kvaerner Pulping Tech Förbehandling av flis med färsk vitlut före behandling med svartlut
US20030131956A1 (en) * 2002-01-16 2003-07-17 Stromberg C. Bertil Continuous pulping processes and systems
SE0702874L (sv) * 2007-12-20 2009-06-09 Metso Fiber Karlstad Ab Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
US3427218A (en) * 1964-07-10 1969-02-11 Kamyr Ab Method of performing counter-current continuous cellulose digestion
EP0477059B1 (de) * 1990-09-20 1995-07-12 Kvaerner Pulping Technologies AB Tränkung mit Schwarzlauge vor der Zufuhr der Weisslauge
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
US5658428A (en) * 1995-10-19 1997-08-19 Kvaerner Pulping Technologies Ab Method for impregnation in a single-vessel hydraulic digester

Also Published As

Publication number Publication date
DE69525064T2 (de) 2002-09-05
AU3943195A (en) 1996-06-06
FI972047A (fi) 1997-05-14
ATE212084T1 (de) 2002-02-15
JPH10509484A (ja) 1998-09-14
SE9403978D0 (sv) 1994-11-15
CA2202250C (en) 2002-01-29
WO1996015313A1 (en) 1996-05-23
JP3782824B2 (ja) 2006-06-07
FI115846B (fi) 2005-07-29
ES2171562T3 (es) 2002-09-16
SE9403978L (sv) 1995-11-06
US6063238A (en) 2000-05-16
EP0792394B1 (de) 2002-01-16
EP0792394A1 (de) 1997-09-03
FI972047A0 (fi) 1997-05-14
CA2202250A1 (en) 1996-05-23
SE502510C2 (sv) 1995-11-06
PT792394E (pt) 2002-07-31

Similar Documents

Publication Publication Date Title
BR9003018A (pt) Metodo e aparelho para cozimento continuo de material fibroso celulosico cominuido para produzir pasta de papel
CA2037717A1 (en) Extended kraft cooking with white liquor added to wash circulation
ES2114171T3 (es) Metodo de blanqueo de pasta de papel sin utilizacion de productos quimicos que contengan cloro.
DE69525064T2 (de) Schwarz-laugen imprägnierung in einzelgefäss-kochern
SE9903344D0 (sv) Pulp cooking with particular alkali profiles
SE9700704D0 (sv) Cooking with spent liquor pretreatment of cellulose material
ATE221153T1 (de) Imprägnierung von einem cellulosehaltigen material mit schwarzlauge in einem einzelgefäss- kocher
AU2002358364A1 (en) Process for continuously cooking chemical cellulose pulp
SE9400616D0 (sv) Förfarande vid kontinuerlig kokning av massa
SE9401769D0 (sv) Flisinpregnering vid pappersmassakokning med sulfidiskt alkali
SE0000342D0 (sv) Continous cooking with cool impregnation and dom control
EP0782642A4 (de) Verfahren und vorrichtung zum kontinuierlichen herstellen von zellstoffbrei
SE9903470L (sv) Kontinuerlig cellulosamassakokare
DE69723879D1 (de) Verfahren zum kontinuierlichen aufschliessen in einem einzelgefäss-kocher
Maspers General corrosion in continuous digesters
TH19159A (th) กระบวนการสำหรับการต้มเยื่อกระดาษอย่างต่อเนื่อง
FI953907A (fi) Menetelmä rehumassan kypsentämiseksi

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: METSO FIBER KARLSTAD AB, KARLSTAD, SE

8339 Ceased/non-payment of the annual fee