SE9902745L - Förfarande och anordning för kokning av massa - Google Patents

Förfarande och anordning för kokning av massa

Info

Publication number
SE9902745L
SE9902745L SE9902745A SE9902745A SE9902745L SE 9902745 L SE9902745 L SE 9902745L SE 9902745 A SE9902745 A SE 9902745A SE 9902745 A SE9902745 A SE 9902745A SE 9902745 L SE9902745 L SE 9902745L
Authority
SE
Sweden
Prior art keywords
liquor
digester
batch
displaced
pulp
Prior art date
Application number
SE9902745A
Other languages
Unknown language ( )
English (en)
Other versions
SE9902745D0 (sv
Inventor
Kaj Henricson
Auvo Kettunen
Hannu Raamark
Original Assignee
Ahlstrom Machinery Oy
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 Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Publication of SE9902745D0 publication Critical patent/SE9902745D0/sv
Publication of SE9902745L publication Critical patent/SE9902745L/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/266—Multistage processes the same pulping agent being used in all stages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
SE9902745A 1997-01-22 1999-07-20 Förfarande och anordning för kokning av massa SE9902745L (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI970254A FI970254A (sv) 1997-01-22 1997-01-22 Förfarande och apparatur för massakokning
PCT/FI1998/000054 WO1998032912A1 (en) 1997-01-22 1998-01-22 Batch cooking with black liquor pretreatment

Publications (2)

Publication Number Publication Date
SE9902745D0 SE9902745D0 (sv) 1999-07-20
SE9902745L true SE9902745L (sv) 1999-09-21

Family

ID=8547734

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9902745A SE9902745L (sv) 1997-01-22 1999-07-20 Förfarande och anordning för kokning av massa

Country Status (5)

Country Link
US (1) US6350348B1 (sv)
CA (1) CA2278181A1 (sv)
FI (1) FI970254A (sv)
SE (1) SE9902745L (sv)
WO (1) WO1998032912A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5885414A (en) * 1997-08-18 1999-03-23 Kvaerner Pulping Ab Method of producing pulp with high alkali cooking in the last cooking stage
FI115640B (sv) * 2000-11-03 2005-06-15 Metso Paper Inc Het svartlut användande kokprocess
FI120361B (sv) * 2003-12-31 2009-09-30 Gl & V Finance Hungary Kft Satskokförfarande för framställning av kraftmassa
US20060157209A1 (en) * 2005-01-19 2006-07-20 Bianchini Craig A Method and apparatus to distribute the inflow of liquors in a Batch Digester
US20100206499A1 (en) * 2009-02-13 2010-08-19 Zilkha Biomass Acquisitions Company L.L.C. Methods for Producing Biomass-Based Fuel With Pulp Processing Equipment
CN102517948A (zh) * 2011-12-29 2012-06-27 永州湘江纸业有限责任公司 多种纤维原料混合蒸煮制浆的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639987A (en) * 1947-07-09 1953-05-26 Ass Pulp & Paper Mills Two-stage pulping process
FI93866B (sv) * 1990-02-09 1995-02-28 Sunds Defibrator Rauma Oy Förfarande för framställning av sulfatmassa
FI92224C (sv) * 1991-06-28 1994-10-10 Sunds Defibrator Rauma Oy Satsprocess för framställning av kraftmassa
TW270159B (sv) * 1994-03-04 1996-02-11 Beloit Technologies Inc
US5522958A (en) * 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking
WO1996007786A1 (en) 1994-09-02 1996-03-14 Kamyr, Inc. Continuous kraft cooking with black liquor pretreatment
US5635026A (en) * 1995-11-13 1997-06-03 Ahlstrom Machinery Inc. Cooking cellulose material with high alkali concentrations and/or high pH

Also Published As

Publication number Publication date
FI970254A (sv) 1998-07-23
WO1998032912A1 (en) 1998-07-30
US6350348B1 (en) 2002-02-26
CA2278181A1 (en) 1998-07-30
FI970254A0 (sv) 1997-01-22
SE9902745D0 (sv) 1999-07-20

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Legal Events

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