ATE125010T1 - Tränkung mit schwarzlauge vor der zufuhr der weisslauge. - Google Patents

Tränkung mit schwarzlauge vor der zufuhr der weisslauge.

Info

Publication number
ATE125010T1
ATE125010T1 AT91402350T AT91402350T ATE125010T1 AT E125010 T1 ATE125010 T1 AT E125010T1 AT 91402350 T AT91402350 T AT 91402350T AT 91402350 T AT91402350 T AT 91402350T AT E125010 T1 ATE125010 T1 AT E125010T1
Authority
AT
Austria
Prior art keywords
liquor
digester
chips
cooking
withdrawn
Prior art date
Application number
AT91402350T
Other languages
English (en)
Inventor
Johan C F C Richter
Ole J Richter
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
Application granted granted Critical
Publication of ATE125010T1 publication Critical patent/ATE125010T1/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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
    • D21C3/24—Continuous processes

Landscapes

  • Inorganic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Alcoholic Beverages (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Soy Sauces And Products Related Thereto (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Toys (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Electroluminescent Light Sources (AREA)
  • Reinforced Plastic Materials (AREA)
  • Coloring (AREA)
AT91402350T 1990-09-20 1991-09-03 Tränkung mit schwarzlauge vor der zufuhr der weisslauge. ATE125010T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58579090A 1990-09-20 1990-09-20

Publications (1)

Publication Number Publication Date
ATE125010T1 true ATE125010T1 (de) 1995-07-15

Family

ID=24342973

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91402350T ATE125010T1 (de) 1990-09-20 1991-09-03 Tränkung mit schwarzlauge vor der zufuhr der weisslauge.

Country Status (8)

Country Link
EP (1) EP0477059B1 (de)
JP (1) JP3126763B2 (de)
AT (1) ATE125010T1 (de)
BR (1) BR9104005A (de)
CA (1) CA2050818C (de)
DE (1) DE69111165T2 (de)
FI (1) FI103589B (de)
NO (1) NO913628L (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
AU704580B2 (en) * 1993-05-04 1999-04-29 Kamyr Inc. Dissolved solids control in pulp protection
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
SE502039C2 (sv) * 1993-12-29 1995-07-24 Kvaerner Pulping Tech Sätt och anordning för kontinuerlig kokning av massa
US5824187A (en) * 1993-12-29 1998-10-20 Kvaerner Pulping Ab Method for the continuous cooking of pulp
US5660686A (en) * 1994-09-02 1997-08-26 Ahlstrom Machinery Inc. Cooking with spent liquor pretreatment of cellulose material
WO1996007786A1 (en) * 1994-09-02 1996-03-14 Kamyr, Inc. Continuous kraft cooking with black liquor pretreatment
US5925216A (en) * 1994-11-15 1999-07-20 Kvaerner Pulping Ab Method of continuous pulping in a digester with high black liquor usage in the impregnation stage
SE9403978L (sv) * 1994-11-15 1995-11-06 Kvaerner Pulping Tech Svartlutsimpregnering i enkärlshydraulkokare
US6248208B1 (en) 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
US5635026A (en) * 1995-11-13 1997-06-03 Ahlstrom Machinery Inc. Cooking cellulose material with high alkali concentrations and/or high pH
SE506458C2 (sv) 1996-02-09 1997-12-15 Kvaerner Pulping Tech Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
US6159336A (en) * 1997-08-07 2000-12-12 Kvaerner Pulping Ab Method and device for the continuous cooking of pulp
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
SE518993E (sv) * 2002-01-24 2009-08-28 Metso Paper Sweden Ab Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
SE527058C2 (sv) * 2004-02-09 2005-12-13 Kvaerner Pulping Tech Kontinuerlig kokprocess med förbättrad värmeekonomi
US7556713B2 (en) * 2004-06-22 2009-07-07 Andritz, Inc. Method and system for feeding cellulose chips to a high pressure continuous cooking system
SE529573C2 (sv) * 2006-12-13 2007-09-18 Metso Fiber Karlstad Ab Metod för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri
FI20090079A (fi) 2009-03-05 2010-09-06 Andritz Inc Lämmön talteenotto jätekeittolipeästä sellutehtaan keittämöllä
FI20105613A (fi) * 2010-05-31 2011-12-01 Chempolis Oy Lignoselluloosaprosessi
FI129440B (fi) * 2020-01-15 2022-02-28 Chempolis Oy Keittolaitteisto ja -menetelmä lignoselluloosaa sisältävän biomassan käsittelemiseksi

Family Cites Families (3)

* 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
SE359331B (de) * 1970-03-17 1973-08-27 Kamyr Ab
CA2066181C (en) * 1989-09-28 1995-09-26 Karl-Eric Bertil Fagerlund Displacement heating in continuous digesters

Also Published As

Publication number Publication date
FI914378A (fi) 1992-03-21
DE69111165D1 (de) 1995-08-17
CA2050818A1 (en) 1992-03-21
CA2050818C (en) 2002-07-02
EP0477059A2 (de) 1992-03-25
JP3126763B2 (ja) 2001-01-22
NO913628L (no) 1992-03-23
FI914378A0 (fi) 1991-09-18
EP0477059A3 (en) 1993-06-23
BR9104005A (pt) 1992-05-26
EP0477059B1 (de) 1995-07-12
NO913628D0 (no) 1991-09-13
FI103589B1 (fi) 1999-07-30
FI103589B (fi) 1999-07-30
DE69111165T2 (de) 1995-11-16
JPH05132882A (ja) 1993-05-28

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee