FI20041288A - Improved alkaline pulping process and equipment - Google Patents

Improved alkaline pulping process and equipment Download PDF

Info

Publication number
FI20041288A
FI20041288A FI20041288A FI20041288A FI20041288A FI 20041288 A FI20041288 A FI 20041288A FI 20041288 A FI20041288 A FI 20041288A FI 20041288 A FI20041288 A FI 20041288A FI 20041288 A FI20041288 A FI 20041288A
Authority
FI
Finland
Prior art keywords
equipment
pulping process
alkaline pulping
improved alkaline
improved
Prior art date
Application number
FI20041288A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20041288A0 (en
FI120547B (en
Inventor
Lasse Hernesniemi
Antti Tuominen
Tuomo Nykaenen
Rami Lampinen
Original Assignee
Metso Paper 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 Metso Paper Inc filed Critical Metso Paper Inc
Publication of FI20041288A0 publication Critical patent/FI20041288A0/en
Priority to FI20041288A priority Critical patent/FI120547B/en
Priority to FI20055289A priority patent/FI122841B/en
Priority to PCT/FI2005/050343 priority patent/WO2006037858A1/en
Priority to PCT/FI2005/050342 priority patent/WO2006037857A1/en
Priority to FI20055531A priority patent/FI122951B/en
Priority to US11/242,587 priority patent/US20060070710A1/en
Priority to CN2005800416425A priority patent/CN101068977B/en
Priority to PCT/FI2005/050346 priority patent/WO2006037860A1/en
Priority to US11/663,976 priority patent/US20070256801A1/en
Priority to EP20050795252 priority patent/EP1797235A4/en
Priority to CA002581923A priority patent/CA2581923A1/en
Publication of FI20041288A publication Critical patent/FI20041288A/en
Application granted granted Critical
Publication of FI120547B publication Critical patent/FI120547B/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
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21C3/222—Use of compounds accelerating the pulping 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
FI20041288A 2004-10-04 2004-10-04 Alkaline cooking process and pulp making plant FI120547B (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI20041288A FI120547B (en) 2004-10-04 2004-10-04 Alkaline cooking process and pulp making plant
FI20055289A FI122841B (en) 2004-10-04 2005-06-06 Method and apparatus for making cellulosic pulp
PCT/FI2005/050343 WO2006037858A1 (en) 2004-10-04 2005-10-03 A method and a device for preparing cellulose pulp
PCT/FI2005/050342 WO2006037857A1 (en) 2004-10-04 2005-10-03 A method and a device for preparing cellulose pulp
FI20055531A FI122951B (en) 2004-10-04 2005-10-03 Method and apparatus for making cellulosic pulp
US11/242,587 US20060070710A1 (en) 2004-10-04 2005-10-03 Method and a device for preparing cellulose pulp
CN2005800416425A CN101068977B (en) 2004-10-04 2005-10-04 Method and system for producing pulp
PCT/FI2005/050346 WO2006037860A1 (en) 2004-10-04 2005-10-04 Improved alkaline process and system for producing pulp
US11/663,976 US20070256801A1 (en) 2004-10-04 2005-10-04 Alkaline Process and System for Producing Pulp
EP20050795252 EP1797235A4 (en) 2004-10-04 2005-10-04 Improved alkaline process and system for producing pulp
CA002581923A CA2581923A1 (en) 2004-10-04 2005-10-04 Improved alkaline process and system for producing pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20041288A FI120547B (en) 2004-10-04 2004-10-04 Alkaline cooking process and pulp making plant
FI20041288 2004-10-04

Publications (3)

Publication Number Publication Date
FI20041288A0 FI20041288A0 (en) 2004-10-04
FI20041288A true FI20041288A (en) 2006-04-05
FI120547B FI120547B (en) 2009-11-30

Family

ID=33305995

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20041288A FI120547B (en) 2004-10-04 2004-10-04 Alkaline cooking process and pulp making plant

Country Status (6)

Country Link
US (1) US20070256801A1 (en)
EP (1) EP1797235A4 (en)
CN (1) CN101068977B (en)
CA (1) CA2581923A1 (en)
FI (1) FI120547B (en)
WO (1) WO2006037860A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0602349L (en) * 2006-11-07 2008-05-06 Metso Fiber Karlstad Ab Process for energy-efficient production of cellulose pulp in a continuous cookery
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping
FI20090079A (en) * 2009-03-05 2010-09-06 Andritz Inc Heat recovery from waste cooking liquor at a pulp mill digester
US20100263813A1 (en) * 2009-04-21 2010-10-21 Andritz Inc. Green liquor pretreatment of lignocellulosic material
KR20110123184A (en) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 Method and system for high alpha dissolving pulp production
ES2525263T3 (en) * 2010-05-04 2014-12-19 Bahia Specialty Cellulose Sa Procedure and treatment system for paper pulp using cold caustic extraction with reuse of alkaline filtrate
CN103924471B (en) * 2014-04-02 2017-07-28 上海同化新材料科技有限公司 A kind of preparation of modified wood fibre element and its product
FI126802B (en) * 2014-09-12 2017-05-31 Andritz Oy Process and continuous hydraulic boiler system for chemical pulp production
FR3039567A1 (en) * 2015-07-31 2017-02-03 Commissariat Energie Atomique DEVICE AND PROCESS FOR TREATING BLACK LIQUOR FROM THE PREPARATION OF PAPER PULP BY HYDROTHERMAL LIQUEFACTION
SE539449C2 (en) * 2015-11-16 2017-09-26 Valmet Oy Method for heating cellulosic material to full cooking temperature in digesters
CN106381743B (en) * 2016-11-19 2018-02-16 王芹 A kind of fiber process for refining
CN108867131A (en) * 2016-12-20 2018-11-23 常州爱上学教育科技有限公司 Wood, bamboo raw material energy conservation and environmental protection replacing and digesting technoloy for pulping and paper-making
CN109957981A (en) * 2017-12-25 2019-07-02 福建省青山纸业股份有限公司 A kind of high-strength high stretched paper bag process thoroughly of production

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258390A (en) * 1962-10-20 1966-06-28 Domtar Ltd Method and apparatus for maintaining a water balance during impregnation and digestion of cellulosic material
US3448002A (en) * 1964-06-20 1969-06-03 Domtar Ltd Pulping process
US3562096A (en) * 1967-04-21 1971-02-09 Lummus Co Recovery of soap fraction from recycle impregnating cooking liquor in a continuous rapid pulping system
US3814662A (en) * 1969-09-08 1974-06-04 Bauer Bros Co Pulping system with impregnation digester having liquor recirculation and cleaning loop
SE359331B (en) * 1970-03-17 1973-08-27 Kamyr Ab
SE468053B (en) * 1988-12-20 1992-10-26 Kamyr Ab SET ON CONTINUOUS DISSOLUTION COOKING OF CELLULOSIC FIBER MATERIAL
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
US5236678A (en) * 1990-08-16 1993-08-17 The Dow Chemical Company Process for absorption of sulfur compounds from fluids using piperidines
FR2670512A1 (en) * 1990-12-17 1992-06-19 Int Patents Corp System for feeding annual plants or wood chips to a continuous cooking reactor under pressure, intended for the production of cellulose pulp
SE9401769L (en) * 1994-05-24 1995-11-25 Nils Mannbro Tile impregnation in pulp cooking with sulphidic alkali
US5476572A (en) * 1994-06-16 1995-12-19 Kamyr, Inc. Chip feeding for a continuous digester
US5660686A (en) * 1994-09-02 1997-08-26 Ahlstrom Machinery Inc. Cooking with spent liquor pretreatment of cellulose material
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation
SE9703365D0 (en) * 1997-09-18 1997-09-18 Kvaerner Pulping Tech Method in connection with impregnation and digestion of lignocelulosic material
CA2318027C (en) * 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive
SE518993E (en) * 2002-01-24 2013-04-23 Metso Paper Sweden Ab Preparation of cellulose pulp by boiling with a boiling liquid containing evaporated black liquor
FI20040637A (en) * 2004-05-05 2005-11-06 Metso Paper Inc Method and apparatus for removing gas from a fragmented material

Also Published As

Publication number Publication date
US20070256801A1 (en) 2007-11-08
EP1797235A4 (en) 2010-10-06
CN101068977A (en) 2007-11-07
FI20041288A0 (en) 2004-10-04
WO2006037860A1 (en) 2006-04-13
CA2581923A1 (en) 2006-04-13
CN101068977B (en) 2011-05-11
FI120547B (en) 2009-11-30
EP1797235A1 (en) 2007-06-20

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