SE502510C2 - Svartlutsimpregnering i enkärlshydraulkokare - Google Patents

Svartlutsimpregnering i enkärlshydraulkokare

Info

Publication number
SE502510C2
SE502510C2 SE9403978A SE9403978A SE502510C2 SE 502510 C2 SE502510 C2 SE 502510C2 SE 9403978 A SE9403978 A SE 9403978A SE 9403978 A SE9403978 A SE 9403978A SE 502510 C2 SE502510 C2 SE 502510C2
Authority
SE
Sweden
Prior art keywords
black liquor
digester
deduction
screen
impregnation zone
Prior art date
Application number
SE9403978A
Other languages
English (en)
Swedish (sv)
Other versions
SE9403978D0 (sv
SE9403978L (sv
Inventor
Johan Engstroem
Anders Bergqvist
Original Assignee
Kvaerner Pulping Tech
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 Tech filed Critical Kvaerner Pulping Tech
Priority to SE9403978A priority Critical patent/SE502510C2/sv
Publication of SE9403978D0 publication Critical patent/SE9403978D0/xx
Publication of SE502510C2 publication Critical patent/SE502510C2/sv
Publication of SE9403978L publication Critical patent/SE9403978L/
Priority to DE69525064T priority patent/DE69525064T2/de
Priority to EP95937274A priority patent/EP0792394B1/de
Priority to CA002202250A priority patent/CA2202250C/en
Priority to AU39431/95A priority patent/AU3943195A/en
Priority to ES95937274T priority patent/ES2171562T3/es
Priority to JP51598296A priority patent/JP3782824B2/ja
Priority to AT95937274T priority patent/ATE212084T1/de
Priority to PT95937274T priority patent/PT792394E/pt
Priority to PCT/SE1995/001333 priority patent/WO1996015313A1/en
Priority to FI972047A priority patent/FI115846B/fi
Priority to US08/854,948 priority patent/US5925216A/en
Priority to US09/073,192 priority patent/US6063238A/en

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)
SE9403978A 1994-11-15 1994-11-15 Svartlutsimpregnering i enkärlshydraulkokare SE502510C2 (sv)

Priority Applications (13)

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
PT95937274T PT792394E (pt) 1994-11-15 1995-11-10 Impregnacao da lixivia negra num digestor hidraulico de vaso unico
AT95937274T ATE212084T1 (de) 1994-11-15 1995-11-10 Schwarz-laugen imprägnierung in einzelgefäss- kochern
AU39431/95A AU3943195A (en) 1994-11-15 1995-11-10 Black liquor impregnation in single-vessel hydraulic digester
EP95937274A EP0792394B1 (de) 1994-11-15 1995-11-10 Schwarz-laugen imprägnierung in einzelgefäss-kochern
CA002202250A CA2202250C (en) 1994-11-15 1995-11-10 Black liquor impregnation in single-vessel hydraulic digester
DE69525064T DE69525064T2 (de) 1994-11-15 1995-11-10 Schwarz-laugen imprägnierung in einzelgefäss-kochern
ES95937274T ES2171562T3 (es) 1994-11-15 1995-11-10 Impregnacion de lejia negra en un digestor hidraulico de una sola cuba.
JP51598296A JP3782824B2 (ja) 1994-11-15 1995-11-10 単槽水力学的消化槽における黒液しみ込ませ処理
FI972047A FI115846B (fi) 1994-11-15 1997-05-14 Mustalipeän impregnointi yksiastiaisessa hydraulisessa keittokattilassa
US08/854,948 US5925216A (en) 1994-11-15 1997-08-05 Method of continuous pulping in a digester with high black liquor usage in the impregnation stage
US09/073,192 US6063238A (en) 1994-11-15 1998-05-06 Black liquor impregnation in digester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403978A SE502510C2 (sv) 1994-11-15 1994-11-15 Svartlutsimpregnering i enkärlshydraulkokare

Publications (3)

Publication Number Publication Date
SE9403978D0 SE9403978D0 (sv) 1994-11-15
SE9403978L SE9403978L (sv) 1995-11-06
SE502510C2 true SE502510C2 (sv) 1995-11-06

Family

ID=20396019

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403978A SE502510C2 (sv) 1994-11-15 1994-11-15 Svartlutsimpregnering i enkärlshydraulkokare

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
DE69525064D1 (de) 2002-02-21
PT792394E (pt) 2002-07-31

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Legal Events

Date Code Title Description
NUG Patent has lapsed