FI20085425L - Sulfate pre-hydrolysis cooking method - Google Patents

Sulfate pre-hydrolysis cooking method Download PDF

Info

Publication number
FI20085425L
FI20085425L FI20085425A FI20085425A FI20085425L FI 20085425 L FI20085425 L FI 20085425L FI 20085425 A FI20085425 A FI 20085425A FI 20085425 A FI20085425 A FI 20085425A FI 20085425 L FI20085425 L FI 20085425L
Authority
FI
Finland
Prior art keywords
cooking method
sulfate pre
hydrolysis
hydrolysis cooking
sulfate
Prior art date
Application number
FI20085425A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20085425A0 (en
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/en
Publication of FI20085425A0 publication Critical patent/FI20085425A0/en
Priority to PCT/FI2009/050364 priority patent/WO2009136000A1/en
Priority to EP09742200A priority patent/EP2286022A1/en
Priority to CN2009801162710A priority patent/CN102016162A/en
Priority to US12/991,554 priority patent/US20110056637A1/en
Publication of FI20085425L publication Critical patent/FI20085425L/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
    • D21C1/02—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 Sulfate pre-hydrolysis cooking method FI20085425L (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20085425A FI20085425L (en) 2008-05-08 2008-05-08 Sulfate pre-hydrolysis cooking method
PCT/FI2009/050364 WO2009136000A1 (en) 2008-05-08 2009-05-06 Prehydrolysis sulfate cooking process
EP09742200A EP2286022A1 (en) 2008-05-08 2009-05-06 Prehydrolysis sulfate cooking process
CN2009801162710A CN102016162A (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 (en) 2008-05-08 2008-05-08 Sulfate pre-hydrolysis cooking method

Publications (2)

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

Family

ID=39523080

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20085425A FI20085425L (en) 2008-05-08 2008-05-08 Sulfate pre-hydrolysis cooking method

Country Status (5)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5808795B2 (en) * 2010-05-04 2015-11-10 バイーア スペシャルティ セルロース ソシエダッド アノニマ Method and system for the production of high alpha dissolving pulp
KR20110123184A (en) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 Method and system for high alpha dissolving pulp production
AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
RU2546497C1 (en) * 2011-05-13 2015-04-10 Вальмет Актиеболаг Compact method of producing preliminarily hydrolysed cellulose
CN102337693B (en) * 2011-09-30 2014-01-22 重庆理文造纸有限公司 Process for stewing and washing dissolving pulp
CN108699768B (en) * 2016-02-16 2020-10-27 维美德公司 Process for recovering a concentrated hydrolysate after hydrolysis of cellulosic material
BR112020003285A2 (en) * 2017-08-25 2020-09-01 Valmet Ab process for the preparation of pulp from cellulosic material containing lignin
CN108252141A (en) * 2018-01-04 2018-07-06 安徽工程大学 A kind of preparation method of Lin's grass fiber and its wet laid nonwoven fabric
SE1950606A1 (en) * 2019-05-22 2020-10-13 Valmet Oy A method for extracting hydrolysate, a batch cooking system and a hydrolysate 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 (en) * 1992-12-02 1994-12-27 Voest Alpine Ind Anlagen METHOD FOR THE PRODUCTION OF VISCOSE CELLS
SE523850E (en) * 1997-09-22 2009-06-02 Metso Fiber Ab Procedure for the pre-treatment of chips with base steam and impregnation liquid
DE19856582C1 (en) * 1998-12-08 2001-03-15 Rhodia Acetow Ag Process for the production of chemical pulp from wood chips
SE0104272L (en) * 2001-12-17 2002-11-12 Kvaerner Pulping Tech Process and arrangement for impregnating wood chips
US7754457B2 (en) 2005-06-03 2010-07-13 Iogen Energy Corporation Method of continuous processing of lignocellulosic feedstock
FI123036B (en) * 2006-02-10 2012-10-15 Metso Paper Inc Method for recovering hydrolysis products

Also Published As

Publication number Publication date
FI20085425A0 (en) 2008-05-08
CN102016162A (en) 2011-04-13
EP2286022A1 (en) 2011-02-23
US20110056637A1 (en) 2011-03-10
WO2009136000A1 (en) 2009-11-12

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Legal Events

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PC Transfer of assignment of patent

Owner name: VALMET TECHNOLOGIES, INC.

FD Application lapsed