SE9700704D0 - Cooking with spent liquor pretreatment of cellulose material - Google Patents

Cooking with spent liquor pretreatment of cellulose material

Info

Publication number
SE9700704D0
SE9700704D0 SE9700704A SE9700704A SE9700704D0 SE 9700704 D0 SE9700704 D0 SE 9700704D0 SE 9700704 A SE9700704 A SE 9700704A SE 9700704 A SE9700704 A SE 9700704A SE 9700704 D0 SE9700704 D0 SE 9700704D0
Authority
SE
Sweden
Prior art keywords
spent liquor
slurrying
chip
spent
digester
Prior art date
Application number
SE9700704A
Other languages
English (en)
Other versions
SE523572C2 (sv
SE9700704L (sv
Inventor
Kaj O Henricson
Pekka Tervola
Original Assignee
Ahlstrom Machinery 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27404627&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE9700704(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstrom Machinery Inc filed Critical Ahlstrom Machinery Inc
Publication of SE9700704D0 publication Critical patent/SE9700704D0/sv
Publication of SE9700704L publication Critical patent/SE9700704L/sv
Publication of SE523572C2 publication Critical patent/SE523572C2/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
    • 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
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
SE9700704A 1994-09-02 1997-02-26 Kokning med svartlut samt förbehandling av cellulosahaltigt material SE523572C2 (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29910394A 1994-09-02 1994-09-02
US34582294A 1994-11-21 1994-11-21
US08/403,932 US5660686A (en) 1994-09-02 1995-03-14 Cooking with spent liquor pretreatment of cellulose material
PCT/US1995/011011 WO1996007787A1 (en) 1994-09-02 1995-08-30 Cooking with spent liquor pretreatment of cellulose material

Publications (3)

Publication Number Publication Date
SE9700704D0 true SE9700704D0 (sv) 1997-02-26
SE9700704L SE9700704L (sv) 1997-05-02
SE523572C2 SE523572C2 (sv) 2004-04-27

Family

ID=27404627

Family Applications (3)

Application Number Title Priority Date Filing Date
SE9700704A SE523572C2 (sv) 1994-09-02 1997-02-26 Kokning med svartlut samt förbehandling av cellulosahaltigt material
SE0400560A SE0400560L (sv) 1994-09-02 2004-03-08 Kokning med svartlut samt förbehandling av cellulosahaltigt material
SE0400559A SE0400559L (sv) 1994-09-02 2004-03-08 Kokning med svartlut samt förbehandling av cellulosahaltigt material

Family Applications After (2)

Application Number Title Priority Date Filing Date
SE0400560A SE0400560L (sv) 1994-09-02 2004-03-08 Kokning med svartlut samt förbehandling av cellulosahaltigt material
SE0400559A SE0400559L (sv) 1994-09-02 2004-03-08 Kokning med svartlut samt förbehandling av cellulosahaltigt material

Country Status (7)

Country Link
US (1) US5660686A (sv)
JP (1) JP3059486B2 (sv)
AU (1) AU3461195A (sv)
CA (1) CA2198719C (sv)
FI (1) FI970863A (sv)
SE (3) SE523572C2 (sv)
WO (1) WO1996007787A1 (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6248208B1 (en) * 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
SE504644C2 (sv) * 1995-07-12 1997-03-24 Kvaerner Pulping Tech Vätskecirkulation i ett kärl för impregnering av flis
SE506703C2 (sv) * 1995-07-12 1998-02-02 Kvaerner Pulping Tech Impregnering av fibermaterial i medström vid kontinuerlig kokning
SE506458C2 (sv) * 1996-02-09 1997-12-15 Kvaerner Pulping Tech Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
SE518993E (sv) * 2002-01-24 2009-08-28 Metso Paper Sweden Ab Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
CA2452145A1 (en) * 2003-06-03 2004-12-03 David Tarasenko Method for producing pulp and lignin
SE527058C2 (sv) * 2004-02-09 2005-12-13 Kvaerner Pulping Tech Kontinuerlig kokprocess med förbättrad värmeekonomi
FI120547B (sv) * 2004-10-04 2009-11-30 Metso Paper Inc Alkaliskt kokförfarande och anläggning för framställning av massa
FI122841B (sv) * 2004-10-04 2012-07-31 Metso Paper Inc Förfarande och anordning för tillverkning av cellulosamassa
US20100263813A1 (en) * 2009-04-21 2010-10-21 Andritz Inc. Green liquor pretreatment of lignocellulosic material
BR112013000565B1 (pt) * 2010-07-09 2020-11-24 Valmet Aktiebolag método para impregnação de cavacos
CN103827388B (zh) * 2011-08-30 2016-09-21 维美德公司 使用多硫化物蒸煮液的硫酸盐蒸煮方法
PL2954115T3 (pl) * 2013-02-08 2022-05-02 Gp Cellulose Gmbh Włókno siarczanowe z drewna iglastego o polepszonej zawartości a-celulozy i jego zastosowanie w wytwarzaniu chemicznych produktów celulozowych

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
US5256255A (en) * 1989-09-28 1993-10-26 Beloit Technologies, Inc. Displacement heating in continuous digesters
DE69111165T2 (de) * 1990-09-20 1995-11-16 Kvaerner Pulping Tech Tränkung mit Schwarzlauge vor der Zufuhr der Weisslauge.
NO920692L (no) * 1991-05-24 1992-11-25 Kamyr Inc Behandling av organiske svovelgasser, spesielt i kraftmasse systemer og prosesser
US5522958A (en) * 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking

Also Published As

Publication number Publication date
SE0400559D0 (sv) 2004-03-08
JP3059486B2 (ja) 2000-07-04
CA2198719A1 (en) 1996-03-14
CA2198719C (en) 2004-03-16
US5660686A (en) 1997-08-26
AU3461195A (en) 1996-03-27
SE0400560D0 (sv) 2004-03-08
FI970863A0 (sv) 1997-02-28
SE523572C2 (sv) 2004-04-27
FI970863A (sv) 1997-05-02
SE0400560L (sv) 2004-03-08
WO1996007787A1 (en) 1996-03-14
JPH10506687A (ja) 1998-06-30
SE0400559L (sv) 2004-03-08
SE9700704L (sv) 1997-05-02

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Legal Events

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