FI20030043A - Method and system for continuous cooking of pulp - Google Patents

Method and system for continuous cooking of pulp

Info

Publication number
FI20030043A
FI20030043A FI20030043A FI20030043A FI20030043A FI 20030043 A FI20030043 A FI 20030043A FI 20030043 A FI20030043 A FI 20030043A FI 20030043 A FI20030043 A FI 20030043A FI 20030043 A FI20030043 A FI 20030043A
Authority
FI
Finland
Prior art keywords
pulp
continuous cooking
cooking
continuous
Prior art date
Application number
FI20030043A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20030043A0 (en
Inventor
Bertil Stromberg
Original Assignee
Andritz 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 Andritz Inc filed Critical Andritz Inc
Publication of FI20030043A0 publication Critical patent/FI20030043A0/en
Publication of FI20030043A publication Critical patent/FI20030043A/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
    • D21C7/00—Digesters
    • 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
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices
    • 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
FI20030043A 2002-01-16 2003-01-13 Method and system for continuous cooking of pulp FI20030043A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34836702P 2002-01-16 2002-01-16
US10/304,096 US20030131956A1 (en) 2002-01-16 2002-11-26 Continuous pulping processes and systems

Publications (2)

Publication Number Publication Date
FI20030043A0 FI20030043A0 (en) 2003-01-13
FI20030043A true FI20030043A (en) 2003-07-17

Family

ID=26973808

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20030043A FI20030043A (en) 2002-01-16 2003-01-13 Method and system for continuous cooking of pulp

Country Status (5)

Country Link
US (1) US20030131956A1 (en)
JP (1) JP2003213581A (en)
CA (1) CA2414070A1 (en)
FI (1) FI20030043A (en)
SE (1) SE0300089L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7828930B2 (en) * 2007-11-20 2010-11-09 International Paper Company Use of polysulfide in modified cooking
SE531632C2 (en) * 2007-12-20 2009-06-09 Metso Fiber Karlstad Ab Process of manufacture of sulphate pulp in which hemicelluloses are recycled

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5824188A (en) * 1993-05-04 1998-10-20 Ahlstrom Machinery Inc. Method of controlling the pressure of a continuous digester using an extraction-dilution
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US5575890A (en) * 1993-05-04 1996-11-19 Kamyr, Inc. Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
SE502510C2 (en) * 1994-11-15 1995-11-06 Kvaerner Pulping Tech Black liquor impregnation in single boiler hydraulic boiler
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
US5635026A (en) * 1995-11-13 1997-06-03 Ahlstrom Machinery Inc. Cooking cellulose material with high alkali concentrations and/or high pH
SE506458C2 (en) * 1996-02-09 1997-12-15 Kvaerner Pulping Tech Continuous boiling of cellulosic material with heat exchange between boiler extraction and circulating boiling liquid
US5958181A (en) * 1997-08-07 1999-09-28 Ahlstrom Machinery, Inc. Continuous cooking with a two-stage cool impregnation
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
US6277240B1 (en) * 1998-10-02 2001-08-21 Andritz-Ahlstrom Inc. Method for continuously pulping cellulosic fibrous material
CA2318027C (en) * 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive
SE0004049L (en) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Continuous boiling of pulp less used cooking liquor partly from the digester and partly from a subsequent pressure diffuser

Also Published As

Publication number Publication date
SE0300089L (en) 2003-07-17
US20030131956A1 (en) 2003-07-17
FI20030043A0 (en) 2003-01-13
JP2003213581A (en) 2003-07-30
SE0300089D0 (en) 2003-01-16
CA2414070A1 (en) 2003-07-16

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