CA936309A - Impregnation of cellulosic fibre material with digesting liquor - Google Patents

Impregnation of cellulosic fibre material with digesting liquor

Info

Publication number
CA936309A
CA936309A CA107986A CA107986A CA936309A CA 936309 A CA936309 A CA 936309A CA 107986 A CA107986 A CA 107986A CA 107986 A CA107986 A CA 107986A CA 936309 A CA936309 A CA 936309A
Authority
CA
Canada
Prior art keywords
impregnation
fibre material
cellulosic fibre
digesting liquor
digesting
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA107986A
Other languages
English (en)
Other versions
CA107986S (en
Inventor
A. Backlund Ernst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metso Fiber Karlstad AB
Original Assignee
Kamyr AB
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 Kamyr AB filed Critical Kamyr AB
Application granted granted Critical
Publication of CA936309A publication Critical patent/CA936309A/en
Expired legal-status Critical Current

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
CA107986A 1970-03-17 1971-03-17 Impregnation of cellulosic fibre material with digesting liquor Expired CA936309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE03501/70A SE359331B (fi) 1970-03-17 1970-03-17

Publications (1)

Publication Number Publication Date
CA936309A true CA936309A (en) 1973-11-06

Family

ID=20262266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA107986A Expired CA936309A (en) 1970-03-17 1971-03-17 Impregnation of cellulosic fibre material with digesting liquor

Country Status (8)

Country Link
US (1) US3802956A (fi)
JP (1) JPS5324521B1 (fi)
CA (1) CA936309A (fi)
DE (1) DE2112633C3 (fi)
FI (1) FI54155C (fi)
FR (1) FR2084755A5 (fi)
NO (1) NO129361B (fi)
SE (1) SE359331B (fi)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162933A (en) * 1973-05-15 1979-07-31 Kamyr Inc. Exothermic heat as a means of determining the degree of delignification
US4190490A (en) * 1974-04-03 1980-02-26 Domtar Inc. Impregnation and digestion of wood chips
US3941650A (en) * 1974-08-09 1976-03-02 Schnyder Auxilius P Continuous digester
SE7604167L (sv) * 1976-04-08 1977-10-09 Reinhall Rolf Bertil Anordning for behandling av lignocellulosahaltigt material i ett undertryck staende reaktionskerl
US4104113A (en) * 1976-06-21 1978-08-01 Kamyr, Inc. Two-stage digestion with between vessel heating
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
US4155805A (en) * 1978-01-19 1979-05-22 Kamyr Aktiebolag Method for continuously digesting cellulosic fiber by evenly spreading the fiber material over the digestion vessel with steam
DE2927579C2 (de) * 1979-07-07 1981-08-27 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und Vorrichtung zum drucklosen Imprägnieren von Fasermaterial für die Zellstoffherstellung
US4432836A (en) * 1979-07-30 1984-02-21 Kamyr, Inc. Vessel false bottoming
US4746400A (en) * 1979-07-30 1988-05-24 Kamyr, Inc. Method of treating cellulosic chips in a vessel with a false bottom
AU553221B2 (en) * 1980-10-09 1986-07-10 Paccar Australia Pty. Ltd. Vehicle cab suspension
US4536969A (en) * 1983-09-30 1985-08-27 Kamyr, Inc. Hot water drying of low rank coal
US4514910A (en) * 1983-02-22 1985-05-07 Kamyr, Inc. Dehydration of lignite or the like
FI71176C (fi) * 1983-11-30 1991-12-03 Ekono Oy Foerfarande foer framstaellning av cellulosa med satsvis kokning.
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
US5192396A (en) * 1988-12-20 1993-03-09 Kamyr Ab Process for the continuous digestion of cellulosic fiber material
US5236553A (en) * 1989-06-28 1993-08-17 Kamyr Ab Continuous cooking with reduced horsepower and pulp degradation
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
CA2030090A1 (en) * 1990-08-17 1992-02-18 Bertil Stromberg Sulfite modified continuous digesting
DE69111165T2 (de) * 1990-09-20 1995-11-16 Kvaerner Pulping Tech Tränkung mit Schwarzlauge vor der Zufuhr der Weisslauge.
US5529661A (en) * 1991-08-23 1996-06-25 Kvaerner Pulping Technologies Ab Process for controlling the flow of cellulosic fiber material through an impregnation vessel
SE469078B (sv) * 1991-08-23 1993-05-10 Kamyr Ab Saett vid kontinuerlig kokning av cellulosahaltigt fibermaterial
US5766413A (en) * 1993-04-23 1998-06-16 Kvaerner Pulping Ab Process for isothermal cooking pulp in a continuous digester
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
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
SE506703C2 (sv) 1995-07-12 1998-02-02 Kvaerner Pulping Tech Impregnering av fibermaterial i medström vid kontinuerlig kokning
SE504644C2 (sv) * 1995-07-12 1997-03-24 Kvaerner Pulping Tech Vätskecirkulation i ett kärl för impregnering av flis
US5795438A (en) * 1996-11-04 1998-08-18 Ahlstrom Machinery Inc. Method and apparatus for feeding multiple digesters
US5882477A (en) * 1997-02-10 1999-03-16 Ahlstrom Machinery, Inc. Continuous digester with a low temperature gas-phase
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
US6120647A (en) * 1998-01-26 2000-09-19 Ahlstrom Machinery Inc. Simplified liquid removal system for a cellulose pulp digester
US6468390B1 (en) * 1998-08-24 2002-10-22 Kvaerner Pulping Ab Method for continuous cooking of lignocellulosic fiber material
SE526704C2 (sv) 2003-12-30 2005-10-25 Kvaerner Pulping Tech Matning av cellulosaflis från en lågtrycksdel till en högtrycksdel med en slussmatare
FI120547B (fi) * 2004-10-04 2009-11-30 Metso Paper Inc Alkalinen keittomenetelmä ja laitteisto massan valmistamiseksi
SE0702874L (sv) * 2007-12-20 2009-06-09 Metso Fiber Karlstad Ab Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs
SE538725C2 (sv) * 2014-06-26 2016-11-01 Valmet Oy Ångavskiljningsenhet och system för hydrolysförfarande innefattande en ångavskiljningsenhet

Also Published As

Publication number Publication date
SE359331B (fi) 1973-08-27
FI54155B (fi) 1978-06-30
JPS5324521B1 (fi) 1978-07-21
DE2112633A1 (de) 1971-09-30
FR2084755A5 (fi) 1971-12-17
NO129361B (fi) 1974-04-01
DE2112633C3 (de) 1973-12-20
FI54155C (fi) 1978-10-10
US3802956A (en) 1974-04-09
DE2112633B2 (de) 1973-05-24

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