DE69200909D1 - Behandlung von Hackschnitzel mit Schwarzlauge. - Google Patents

Behandlung von Hackschnitzel mit Schwarzlauge.

Info

Publication number
DE69200909D1
DE69200909D1 DE69200909T DE69200909T DE69200909D1 DE 69200909 D1 DE69200909 D1 DE 69200909D1 DE 69200909 T DE69200909 T DE 69200909T DE 69200909 T DE69200909 T DE 69200909T DE 69200909 D1 DE69200909 D1 DE 69200909D1
Authority
DE
Germany
Prior art keywords
black liquor
treatment vessel
withdrawn
passed
digester
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 - Lifetime
Application number
DE69200909T
Other languages
English (en)
Inventor
Kaj Henricson
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.)
Kamyr Inc
Original Assignee
Kamyr 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 Kamyr Inc filed Critical Kamyr Inc
Application granted granted Critical
Publication of DE69200909D1 publication Critical patent/DE69200909D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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)

Landscapes

  • Paper (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Lubricants (AREA)
  • Resistance Heating (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Auxiliary Devices For Music (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Steroid Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE69200909T 1991-08-14 1992-04-24 Behandlung von Hackschnitzel mit Schwarzlauge. Expired - Lifetime DE69200909D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/744,506 US5213662A (en) 1991-08-14 1991-08-14 Treatment of chips with high temperature black liquor to reduce black liquor viscosity

Publications (1)

Publication Number Publication Date
DE69200909D1 true DE69200909D1 (de) 1995-01-26

Family

ID=24992959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69200909T Expired - Lifetime DE69200909D1 (de) 1991-08-14 1992-04-24 Behandlung von Hackschnitzel mit Schwarzlauge.

Country Status (13)

Country Link
US (2) US5213662A (de)
EP (1) EP0527294B1 (de)
JP (1) JPH05195462A (de)
AT (1) ATE115659T1 (de)
AU (1) AU1492392A (de)
BR (1) BR9203126A (de)
CA (1) CA2068165A1 (de)
DE (1) DE69200909D1 (de)
ES (1) ES2067267T3 (de)
FI (1) FI923255A (de)
MX (1) MX9204014A (de)
NO (1) NO923169L (de)
ZA (1) ZA922866B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398588B (de) * 1992-12-02 1994-12-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von viskosezellstoffen
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5824187A (en) * 1993-12-29 1998-10-20 Kvaerner Pulping Ab Method for the continuous cooking of pulp
SE502039C2 (sv) * 1993-12-29 1995-07-24 Kvaerner Pulping Tech Sätt och anordning för kontinuerlig kokning av massa
FI103898B (fi) * 1994-01-24 1999-10-15 Sunds Defibrator Pori Oy Menetelmä prehydrolysoidun sellun ja/tai sellumassan tuottamiseksi
SE9401769L (sv) * 1994-05-24 1995-11-25 Nils Mannbro Flisimpregnering vid pappersmassakokning med sulfidiskt alkali
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
US5635027A (en) * 1995-04-03 1997-06-03 North Carolina State University Method of reducing the viscosity of a black liquor
SE505528C2 (sv) * 1995-04-28 1997-09-15 Kvaerner Pulping Tech Impregnering av flis med het svartlut i ett kontinuerligt enkärlssystem
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
US5658428A (en) * 1995-10-19 1997-08-19 Kvaerner Pulping Technologies Ab Method for impregnation in a single-vessel hydraulic digester
US5736006A (en) * 1996-10-10 1998-04-07 Ahlstrom Machinery Inc. Method and apparatus for pulping with controlled heating to improve delignification and pulp strength
US6159336A (en) * 1997-08-07 2000-12-12 Kvaerner Pulping Ab Method and device for the continuous cooking of pulp
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
SE0200185L (sv) * 2002-01-24 2002-12-10 Kvaerner Pulping Tech Förfarande för att öka värmeekonomin i kokarsystemet vid kontinuerlig kokning
SE529573C2 (sv) * 2006-12-13 2007-09-18 Metso Fiber Karlstad Ab Metod för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri
US8444809B2 (en) * 2007-06-25 2013-05-21 Andritz Inc. Method and system for direct contact of hot liquor with wood chips in transfer circulation
US20100263813A1 (en) * 2009-04-21 2010-10-21 Andritz Inc. Green liquor pretreatment of lignocellulosic material
MX2012005924A (es) * 2009-11-24 2012-06-13 Andritz Inc Metodo y sistema para coccion con digestor de virutas delgadas.
SE539449C2 (en) * 2015-11-16 2017-09-26 Valmet Oy Method for heating cellulosic material to full cooking temperature in digesters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE305582B (de) * 1967-09-18 1968-10-28 Kamyr Ab
SE354302B (de) * 1972-03-21 1973-03-05 Kamyr Ab
FI75615C (fi) * 1985-11-29 1991-08-26 Ahlstroem Oy Foerfarande foer saenkning av svartlutens viskositet.
SE463316B (sv) * 1988-01-14 1990-11-05 Ahlstroem Foeretagen Foerfarande och anordning foer indunstning av avlut i samband med kokning av cellulosahaltigt fibermaterial i en kontinuerlig kokare
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
US4953607A (en) * 1989-02-17 1990-09-04 A. Ahlstrom Multistage evaporating system
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
EP0738343B1 (de) * 1991-02-06 1999-09-29 Ahlstrom Machinery Oy Verfahren zur gewinnung von energie und chemikalien aus schwarzlauge

Also Published As

Publication number Publication date
FI923255A (fi) 1993-02-15
CA2068165A1 (en) 1993-02-15
ZA922866B (en) 1992-12-30
EP0527294A1 (de) 1993-02-17
ATE115659T1 (de) 1994-12-15
NO923169L (no) 1993-02-15
FI923255A0 (fi) 1992-07-16
AU1492392A (en) 1993-02-18
BR9203126A (pt) 1993-03-30
EP0527294B1 (de) 1994-12-14
MX9204014A (es) 1993-02-01
US5213662A (en) 1993-05-25
JPH05195462A (ja) 1993-08-03
NO923169D0 (no) 1992-08-13
ES2067267T3 (es) 1995-03-16
US5346591A (en) 1994-09-13

Similar Documents

Publication Publication Date Title
ATE115659T1 (de) Behandlung von hackschnitzel mit schwarzlauge.
BR9003018A (pt) Metodo e aparelho para cozimento continuo de material fibroso celulosico cominuido para produzir pasta de papel
WO1991005103A3 (en) Displacement heating in continuous digesters
FI914378A (fi) Impregnering med svartlut foere infoering av vitlut.
NO179918C (no) Fremgangsmåte og apparat for fremstilling av kraftmasse
FI913160A (fi) Eräprosessi kraftmassan valmistamiseksi
SE0200185L (sv) Förfarande för att öka värmeekonomin i kokarsystemet vid kontinuerlig kokning
DE69520440D1 (de) Verfahren und vorrichtung zum kontinuierlichen herstellen von zellstoffbrei
SE8800100L (sv) Foerfarande och anordning foer indunstning av avlut i samband med kokning av cellulosahaltigt fibermaterial
SE9902745L (sv) Förfarande och anordning för kokning av massa

Legal Events

Date Code Title Description
8332 No legal effect for de