FI20002587A - Alkaline cooking method for fibrous material - Google Patents

Alkaline cooking method for fibrous material Download PDF

Info

Publication number
FI20002587A
FI20002587A FI20002587A FI20002587A FI20002587A FI 20002587 A FI20002587 A FI 20002587A FI 20002587 A FI20002587 A FI 20002587A FI 20002587 A FI20002587 A FI 20002587A FI 20002587 A FI20002587 A FI 20002587A
Authority
FI
Finland
Prior art keywords
fibrous material
cooking method
alkaline cooking
alkaline
fibrous
Prior art date
Application number
FI20002587A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20002587A0 (en
Inventor
Thomas Fant
Mikael Svedman
Lari Lammi
Original Assignee
Metso Paper Inc
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 Metso Paper Inc filed Critical Metso Paper Inc
Priority to FI20002587A priority Critical patent/FI20002587A/en
Publication of FI20002587A0 publication Critical patent/FI20002587A0/en
Priority to EP01997586A priority patent/EP1346103A1/en
Priority to US10/432,657 priority patent/US20040089430A1/en
Priority to AU2002223714A priority patent/AU2002223714A1/en
Priority to PCT/FI2001/001009 priority patent/WO2002042550A1/en
Publication of FI20002587A publication Critical patent/FI20002587A/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
    • 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
    • D21C3/22—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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage 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
FI20002587A 2000-11-24 2000-11-24 Alkaline cooking method for fibrous material FI20002587A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20002587A FI20002587A (en) 2000-11-24 2000-11-24 Alkaline cooking method for fibrous material
EP01997586A EP1346103A1 (en) 2000-11-24 2001-11-21 Method for alkaline cooking of fiber material
US10/432,657 US20040089430A1 (en) 2000-11-24 2001-11-21 Method for alkaline cooking of fiber material
AU2002223714A AU2002223714A1 (en) 2000-11-24 2001-11-21 Method for alkaline cooking of fiber material
PCT/FI2001/001009 WO2002042550A1 (en) 2000-11-24 2001-11-21 Method for alkaline cooking of fiber material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20002587A FI20002587A (en) 2000-11-24 2000-11-24 Alkaline cooking method for fibrous material

Publications (2)

Publication Number Publication Date
FI20002587A0 FI20002587A0 (en) 2000-11-24
FI20002587A true FI20002587A (en) 2002-05-25

Family

ID=8559577

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002587A FI20002587A (en) 2000-11-24 2000-11-24 Alkaline cooking method for fibrous material

Country Status (5)

Country Link
US (1) US20040089430A1 (en)
EP (1) EP1346103A1 (en)
AU (1) AU2002223714A1 (en)
FI (1) FI20002587A (en)
WO (1) WO2002042550A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0104247L (en) * 2001-12-14 2002-10-22 Kvaerner Pulping Tech Pre-treatment of chips with fresh white liquor before treatment with black liquor
FI20105799A0 (en) * 2010-07-13 2010-07-13 Olli Joutsimo Improved chemical pulp manufacturing process

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215588A (en) * 1963-08-15 1965-11-02 Lummus Co Continuous impregnation, cooking, and washing of fibrous material
US3664918A (en) * 1969-12-09 1972-05-23 Pulp Paper Res Inst Vapor phase pulping of water saturated lignocellulosic materials
US4190490A (en) * 1974-04-03 1980-02-26 Domtar Inc. Impregnation and digestion of wood chips
FI93866B (en) * 1990-02-09 1995-02-28 Sunds Defibrator Rauma Oy Method for preparing sulphate pulp
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation
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
US6174411B1 (en) * 1997-02-10 2001-01-16 Andritz-Ahlstrom Inc. Continuous digester with inverted top separator
US5882477A (en) * 1997-02-10 1999-03-16 Ahlstrom Machinery, Inc. Continuous digester with a low temperature gas-phase
CA2318027C (en) * 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive
US6428208B1 (en) * 2000-03-08 2002-08-06 Ultra Flex Packaging Corporation Internal profile hanger with outwardly projecting tab member with informational indicia thereon
FI20002586A (en) * 2000-11-24 2002-05-25 Metso Paper Inc Process for alkaline batching when cooking fiber material

Also Published As

Publication number Publication date
AU2002223714A1 (en) 2002-06-03
US20040089430A1 (en) 2004-05-13
WO2002042550A1 (en) 2002-05-30
EP1346103A1 (en) 2003-09-24
FI20002587A0 (en) 2000-11-24

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