FI962281A - Hakkeen esikäsittely ennen keittoa - Google Patents

Hakkeen esikäsittely ennen keittoa Download PDF

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Publication number
FI962281A
FI962281A FI962281A FI962281A FI962281A FI 962281 A FI962281 A FI 962281A FI 962281 A FI962281 A FI 962281A FI 962281 A FI962281 A FI 962281A FI 962281 A FI962281 A FI 962281A
Authority
FI
Finland
Prior art keywords
treatment
wood chips
before cooking
chips before
cooking
Prior art date
Application number
FI962281A
Other languages
English (en)
Swedish (sv)
Other versions
FI120649B (fi
FI962281A0 (fi
Inventor
Kaj Henricson
Aki Vilpponen
Hannu Raomark
Auvo K Kettunen
Bertil Stroemberg
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=23829821&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI962281(A) "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 FI962281A0 publication Critical patent/FI962281A0/fi
Publication of FI962281A publication Critical patent/FI962281A/fi
Application granted granted Critical
Publication of FI120649B publication Critical patent/FI120649B/fi

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
FI962281A 1995-06-02 1996-05-31 Hakkeen esikäsittely ennen keittoa FI120649B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/460,723 US6248208B1 (en) 1995-06-02 1995-06-02 Pretreatment of chips before cooking
US46072395 1995-06-02

Publications (3)

Publication Number Publication Date
FI962281A0 FI962281A0 (fi) 1996-05-31
FI962281A true FI962281A (fi) 1997-12-01
FI120649B FI120649B (fi) 2010-01-15

Family

ID=23829821

Family Applications (2)

Application Number Title Priority Date Filing Date
FI962281A FI120649B (fi) 1995-06-02 1996-05-31 Hakkeen esikäsittely ennen keittoa
FI20060245A FI20060245A (fi) 1995-06-02 2006-03-16 Hakkeen esikäsittely ennen keittoa

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI20060245A FI20060245A (fi) 1995-06-02 2006-03-16 Hakkeen esikäsittely ennen keittoa

Country Status (5)

Country Link
US (3) US6248208B1 (fi)
JP (1) JP3682935B2 (fi)
CA (1) CA2174874C (fi)
FI (2) FI120649B (fi)
SE (3) SE1150802A1 (fi)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958181A (en) * 1997-08-07 1999-09-28 Ahlstrom Machinery, Inc. Continuous cooking with a two-stage cool impregnation
FI20002587A (fi) * 2000-11-24 2002-05-25 Metso Paper Inc Alkalinen keittomenetelmä kuitumateriaalille
FI20002586A (fi) * 2000-11-24 2002-05-25 Metso Paper Inc Alkalinen eräkeittomenetelmä kuitumateriaalille
SE519262E (sv) * 2002-03-15 2008-01-08 Kvaerner Pulping Tech Förfarande för matning av cellulosaflis vid kontinuerlig kokning
CN1318688C (zh) * 2003-08-26 2007-05-30 山东泉林纸业有限责任公司 一种烧碱法制浆所用原料的浸渍预处理工艺
US7923802B2 (en) * 2006-10-13 2011-04-12 Hewlett-Packard Development Company, L.P. Method and apparatus for forming a photodiode
SE0401870D0 (sv) * 2004-07-15 2004-07-15 Kvaerner Pulping Tech Förfarande för impregnering av flis
EP1883731B1 (en) * 2005-05-24 2015-11-11 International Paper Company Modified kraft fibers
US7520958B2 (en) * 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
US7771565B2 (en) * 2006-02-21 2010-08-10 Packaging Corporation Of America Method of pre-treating woodchips prior to mechanical pulping
US20070240837A1 (en) * 2006-04-13 2007-10-18 Andritz Inc. Hardwood alkaline pulping processes and systems
US8262856B2 (en) * 2007-06-18 2012-09-11 Andritz Inc. Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping
FR2932815B1 (fr) * 2008-06-23 2015-10-30 Cie Ind De La Matiere Vegetale Cimv Procede de pretraitement de la matiere premiere vegetale pour la production, a partir de ressources sacchariferes et lignocellulosiques, de bioethanol et/ou de sucre, et installation.
AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
MY157311A (en) * 2010-05-04 2016-05-31 Bahia Specialty Cellulose Sa Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse
WO2012158075A1 (en) * 2011-05-13 2012-11-22 Metso Paper Sweden Ab Compact process for producing prehydrolyzed pulp
RU2665424C1 (ru) * 2014-08-26 2018-08-29 Вальмет Аб Экономически эффективный способ сульфатной варки с применением полисульфидного варочного щелока
WO2021024025A1 (en) * 2019-08-08 2021-02-11 Thai Eastern Pulp And Paper Co., Ltd. A hopper and a system for preparing empty fruit bunch fiber in a paper and/or pulp production process

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303088A (en) 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
US3664918A (en) * 1969-12-09 1972-05-23 Pulp Paper Res Inst Vapor phase pulping of water saturated lignocellulosic materials
SE359331B (fi) 1970-03-17 1973-08-27 Kamyr Ab
US5192396A (en) 1988-12-20 1993-03-09 Kamyr Ab Process for the continuous digestion of cellulosic fiber material
SE468053B (sv) 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
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
CA2066181C (en) 1989-09-28 1995-09-26 Karl-Eric Bertil Fagerlund Displacement heating in continuous digesters
EP0477059B1 (en) 1990-09-20 1995-07-12 Kvaerner Pulping Technologies AB Impregnation with black liquor prior to white liquor introduction
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
SE502039C2 (sv) 1993-12-29 1995-07-24 Kvaerner Pulping Tech Sätt och anordning för kontinuerlig kokning av massa
US5476572A (en) * 1994-06-16 1995-12-19 Kamyr, Inc. Chip feeding for a continuous digester
US5522958A (en) 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking
US5660686A (en) * 1994-09-02 1997-08-26 Ahlstrom Machinery Inc. Cooking with spent liquor pretreatment of cellulose material
US5622598A (en) * 1995-04-25 1997-04-22 Ahlstrom Machinery Inc. Chip pumping to a digester

Also Published As

Publication number Publication date
US6248208B1 (en) 2001-06-19
US6506283B2 (en) 2003-01-14
CA2174874A1 (en) 1996-12-03
SE9602016L (sv) 1996-12-03
JPH093787A (ja) 1997-01-07
CA2174874C (en) 2004-07-20
JP3682935B2 (ja) 2005-08-17
SE0400568D0 (sv) 2004-03-08
SE9602016D0 (sv) 1996-05-28
SE534950C2 (sv) 2012-02-28
US20010013398A1 (en) 2001-08-16
FI120649B (fi) 2010-01-15
FI962281A0 (fi) 1996-05-31
US6544384B2 (en) 2003-04-08
SE0400568L (sv) 2004-03-08
US20020017370A1 (en) 2002-02-14
SE1150802A1 (sv) 2011-09-06
FI20060245A (fi) 2006-03-16
SE522853C2 (sv) 2004-03-09

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