FI972047A - Svartlutsimpregnering i en hydraulisk digester med ett kärl - Google Patents

Svartlutsimpregnering i en hydraulisk digester med ett kärl Download PDF

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Publication number
FI972047A
FI972047A FI972047A FI972047A FI972047A FI 972047 A FI972047 A FI 972047A FI 972047 A FI972047 A FI 972047A FI 972047 A FI972047 A FI 972047A FI 972047 A FI972047 A FI 972047A
Authority
FI
Finland
Prior art keywords
digester
black liquor
vessel
chips
hot black
Prior art date
Application number
FI972047A
Other languages
English (en)
Finnish (fi)
Other versions
FI115846B (sv
FI972047A0 (sv
Inventor
Anders Bergqvist
Johan Engstroem
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
Publication of FI972047A publication Critical patent/FI972047A/sv
Publication of FI972047A0 publication Critical patent/FI972047A0/sv
Application granted granted Critical
Publication of FI115846B publication Critical patent/FI115846B/sv

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)
FI972047A 1994-11-15 1997-05-14 Svartlutsimpregnering i en hydraulisk digester med ett kärl FI115846B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9403978 1994-11-15
SE9403978A SE9403978L (sv) 1994-11-15 1994-11-15 Svartlutsimpregnering i enkärlshydraulkokare
SE9501333 1995-11-10
PCT/SE1995/001333 WO1996015313A1 (en) 1994-11-15 1995-11-10 Black liquor impregnation in single-vessel hydraulic digester

Publications (3)

Publication Number Publication Date
FI972047A true FI972047A (sv) 1997-05-14
FI972047A0 FI972047A0 (sv) 1997-05-14
FI115846B FI115846B (sv) 2005-07-29

Family

ID=20396019

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972047A FI115846B (sv) 1994-11-15 1997-05-14 Svartlutsimpregnering i en hydraulisk digester med ett kärl

Country Status (12)

Country Link
US (1) US6063238A (sv)
EP (1) EP0792394B1 (sv)
JP (1) JP3782824B2 (sv)
AT (1) ATE212084T1 (sv)
AU (1) AU3943195A (sv)
CA (1) CA2202250C (sv)
DE (1) DE69525064T2 (sv)
ES (1) ES2171562T3 (sv)
FI (1) FI115846B (sv)
PT (1) PT792394E (sv)
SE (1) SE9403978L (sv)
WO (1) WO1996015313A1 (sv)

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
SE518538C2 (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
SE531632C2 (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
DE69111165T2 (de) * 1990-09-20 1995-11-16 Kvaerner Pulping Tech 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
FI115846B (sv) 2005-07-29
US6063238A (en) 2000-05-16
JP3782824B2 (ja) 2006-06-07
AU3943195A (en) 1996-06-06
ES2171562T3 (es) 2002-09-16
CA2202250A1 (en) 1996-05-23
ATE212084T1 (de) 2002-02-15
PT792394E (pt) 2002-07-31
JPH10509484A (ja) 1998-09-14
EP0792394B1 (en) 2002-01-16
SE502510C2 (sv) 1995-11-06
WO1996015313A1 (en) 1996-05-23
SE9403978L (sv) 1995-11-06
CA2202250C (en) 2002-01-29
FI972047A0 (sv) 1997-05-14
SE9403978D0 (sv) 1994-11-15
DE69525064D1 (de) 2002-02-21
DE69525064T2 (de) 2002-09-05
EP0792394A1 (en) 1997-09-03

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