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FI20085425A0 - Sulfaattiesihydrolyysikeittomenetelmä - Google Patents

Sulfaattiesihydrolyysikeittomenetelmä

Info

Publication number
FI20085425A0
FI20085425A0 FI20085425A FI20085425A FI20085425A0 FI 20085425 A0 FI20085425 A0 FI 20085425A0 FI 20085425 A FI20085425 A FI 20085425A FI 20085425 A FI20085425 A FI 20085425A FI 20085425 A0 FI20085425 A0 FI 20085425A0
Authority
FI
Finland
Prior art keywords
sulfaattiesihydrolyysikeittomenetelmä
Prior art date
Application number
FI20085425A
Other languages
English (en)
Swedish (sv)
Other versions
FI20085425A7 (fi
FI20085425L (fi
Inventor
Olavi Katajisto
Lari Lammi
Antti Viro
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
Priority to FI20085425A priority Critical patent/FI20085425L/fi
Publication of FI20085425A0 publication Critical patent/FI20085425A0/fi
Priority to EP09742200A priority patent/EP2286022A1/en
Priority to CN2009801162710A priority patent/CN102016162A/zh
Priority to PCT/FI2009/050364 priority patent/WO2009136000A1/en
Priority to US12/991,554 priority patent/US20110056637A1/en
Publication of FI20085425A7 publication Critical patent/FI20085425A7/fi
Publication of FI20085425L publication Critical patent/FI20085425L/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
    • D21C1/02—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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/10—Physical methods for facilitating impregnation
    • 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
FI20085425A 2008-05-08 2008-05-08 Sulfaattiesihydrolyysikeittomenetelmä FI20085425L (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20085425A FI20085425L (fi) 2008-05-08 2008-05-08 Sulfaattiesihydrolyysikeittomenetelmä
EP09742200A EP2286022A1 (en) 2008-05-08 2009-05-06 Prehydrolysis sulfate cooking process
CN2009801162710A CN102016162A (zh) 2008-05-08 2009-05-06 预水解硫酸盐蒸煮方法
PCT/FI2009/050364 WO2009136000A1 (en) 2008-05-08 2009-05-06 Prehydrolysis sulfate cooking process
US12/991,554 US20110056637A1 (en) 2008-05-08 2009-05-06 Prehydrolysis sulfate cooking process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20085425A FI20085425L (fi) 2008-05-08 2008-05-08 Sulfaattiesihydrolyysikeittomenetelmä

Publications (3)

Publication Number Publication Date
FI20085425A0 true FI20085425A0 (fi) 2008-05-08
FI20085425A7 FI20085425A7 (fi) 2009-11-09
FI20085425L FI20085425L (fi) 2009-11-09

Family

ID=39523080

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20085425A FI20085425L (fi) 2008-05-08 2008-05-08 Sulfaattiesihydrolyysikeittomenetelmä

Country Status (5)

Country Link
US (1) US20110056637A1 (fi)
EP (1) EP2286022A1 (fi)
CN (1) CN102016162A (fi)
FI (1) FI20085425L (fi)
WO (1) WO2009136000A1 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2523973C1 (ru) * 2010-05-04 2014-07-27 Байа Спешалти Сельюлоз Са Способ переработки целлюлозной массы холоднощелочной экстракцией с повторным использованием щелочного фильтрата и система для его осуществления
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
WO2012158075A1 (en) * 2011-05-13 2012-11-22 Metso Paper Sweden Ab Compact process for producing prehydrolyzed pulp
CN102337693B (zh) * 2011-09-30 2014-01-22 重庆理文造纸有限公司 一种溶解浆的蒸煮及洗涤工艺
WO2017142445A1 (en) * 2016-02-16 2017-08-24 Valmet Ab Method for recovering concentrated hydrolysate after hydrolysis of cellulose material
WO2019039982A1 (en) * 2017-08-25 2019-02-28 Valmet Ab IMPROVED COMPACT PROCESS FOR THE PRODUCTION OF A PREHYDROLYZED PASTE
CN108252141A (zh) * 2018-01-04 2018-07-06 安徽工程大学 一种蔺草纤维及其湿法非织造织物的制备方法
SE1950606A1 (en) * 2019-05-22 2020-10-13 Valmet Oy A method for extracting hydrolyzate, a batch cooking system and a hydrolyzate extracting arrangement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013933A (en) * 1953-01-28 1961-12-19 Rayonier Inc Method for preparation of wood cellulose
GB758766A (en) * 1954-05-10 1956-10-10 Brown And Root Inc Process for the production of pulp from bagasse
US5203963A (en) * 1991-10-21 1993-04-20 A. Ahlstrom Corporation Continuous treatment of small chips
US5198074A (en) * 1991-11-29 1993-03-30 Companhia Industreas Brasileiras Portela Process to produce a high quality paper product and an ethanol product from bamboo
AT398588B (de) * 1992-12-02 1994-12-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von viskosezellstoffen
SE523850E (sv) * 1997-09-22 2009-06-02 Metso Fiber Ab Förfarande vid förbehandling av flis med basningsånga och impregneringsvätska
DE19856582C1 (de) * 1998-12-08 2001-03-15 Rhodia Acetow Ag Verfahren zur Gewinnung von Chemiezellstoff aus Hackschnitzeln
SE0104272L (sv) * 2001-12-17 2002-11-12 Kvaerner Pulping Tech Förfarande och arrangemang vid impregnering av flis
US7754457B2 (en) 2005-06-03 2010-07-13 Iogen Energy Corporation Method of continuous processing of lignocellulosic feedstock
FI123036B (fi) * 2006-02-10 2012-10-15 Metso Paper Inc Menetelmä hydrolyysituotteiden talteenottamiseksi

Also Published As

Publication number Publication date
EP2286022A1 (en) 2011-02-23
WO2009136000A1 (en) 2009-11-12
CN102016162A (zh) 2011-04-13
FI20085425A7 (fi) 2009-11-09
FI20085425L (fi) 2009-11-09
US20110056637A1 (en) 2011-03-10

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Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: VALMET TECHNOLOGIES, INC.

FD Application lapsed