ATE159778T1 - Verfahren zum lösungsmittel-stetigaufschluss - Google Patents

Verfahren zum lösungsmittel-stetigaufschluss

Info

Publication number
ATE159778T1
ATE159778T1 AT91107812T AT91107812T ATE159778T1 AT E159778 T1 ATE159778 T1 AT E159778T1 AT 91107812 T AT91107812 T AT 91107812T AT 91107812 T AT91107812 T AT 91107812T AT E159778 T1 ATE159778 T1 AT E159778T1
Authority
AT
Austria
Prior art keywords
solvent
image
pressure
psi
practiced
Prior art date
Application number
AT91107812T
Other languages
English (en)
Inventor
Brian F Greenwood
Joseph R Phillips
David J Lebel
Original Assignee
Alcell Tech 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 Alcell Tech Inc filed Critical Alcell Tech Inc
Application granted granted Critical
Publication of ATE159778T1 publication Critical patent/ATE159778T1/de

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • 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
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
    • 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
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Sludge (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Reinforced Plastic Materials (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Peptides Or Proteins (AREA)
AT91107812T 1990-08-17 1991-05-15 Verfahren zum lösungsmittel-stetigaufschluss ATE159778T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56912690A 1990-08-17 1990-08-17

Publications (1)

Publication Number Publication Date
ATE159778T1 true ATE159778T1 (de) 1997-11-15

Family

ID=24274194

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91107812T ATE159778T1 (de) 1990-08-17 1991-05-15 Verfahren zum lösungsmittel-stetigaufschluss

Country Status (11)

Country Link
US (2) US5681427A (de)
EP (2) EP0472820B1 (de)
JP (1) JPH04240283A (de)
AT (1) ATE159778T1 (de)
AU (2) AU8013091A (de)
BR (1) BR9102275A (de)
CA (1) CA2042885A1 (de)
DE (1) DE69128059T2 (de)
FI (1) FI913315A7 (de)
NO (1) NO913210L (de)
ZA (1) ZA914032B (de)

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US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
US5680995A (en) * 1995-06-29 1997-10-28 Salminen; Reijo K. Continuous digester
FI960438A7 (fi) * 1995-09-11 1997-03-12 Ahlstrom Machinery Oy Laitteisto ja menetelmä kuitumassapesurin puhdistamiseksi tahma-aineista
AU2400697A (en) * 1996-03-25 1997-10-17 Alcell Technologies Inc. Ozone-bleached organosolv pulps
US6284095B1 (en) 1999-02-04 2001-09-04 Andritz-Ahlstrom Inc. Minimization of malodorous gas release from a cellulose pulp mill feed system
WO2002081816A1 (en) * 2001-04-06 2002-10-17 Gerischer Guenter Friedrich Ru Wood chip treatment
SE517674E8 (sv) * 2001-05-02 2015-10-20 Metso Paper Sweden Ab Förfarande för tvättvätsketillförsel till kokningsprocess för cellulosamassa
US6497791B1 (en) 2001-08-30 2002-12-24 Jack T. Baker Apparatus for pre-treatment of wood chips
WO2004005608A1 (en) * 2002-07-02 2004-01-15 Andritz, Inc. Solvent pulping of biomass
CA2631021A1 (en) * 2005-11-23 2007-10-25 Natureworks Llc Process for fractionating lignocellulosic biomass into liquid and solid products
US20090062516A1 (en) * 2006-05-08 2009-03-05 Biojoule Limited Lignin and other products isolated from plant material, methods for isolation and use, and compositions containing lignin and other plant-derived products
BRPI0711751A2 (pt) 2006-05-08 2012-01-03 Biojoule Ltd processo para produÇço de bio-combustÍvel a partir de materiais de plantas
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US7976676B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
JP5215706B2 (ja) * 2007-08-01 2013-06-19 三井造船株式会社 固気２相物質の押し込み装置
CA2697469A1 (en) * 2007-08-31 2009-03-05 Biojoule Ltd. Lignin and other products isolated from plant material, and methods and compositions therefor
FI121885B (fi) * 2007-11-09 2011-05-31 Chempolis Oy Menetelmä sokerituotteen valmistamiseksi
GB0818093D0 (en) * 2008-10-02 2008-11-05 Weyland As Method
GB0819406D0 (en) 2008-10-22 2008-11-26 Weyland As Process
US8378020B1 (en) 2009-05-28 2013-02-19 Lignol Innovations Ltd. Processes for recovery of derivatives of native lignin
WO2010135806A1 (en) * 2009-05-28 2010-12-02 Lignol Innovations Ltd. Derivatives of native lignin from softwood feedstocks
BRPI1012285B1 (pt) 2009-05-28 2019-10-08 Fibria Innovations Inc. Derivado de lignina, composição fenólica, composição de resina fenol-formaldeído e uso de um derivado de lignina
CN102844357B (zh) 2010-02-15 2016-09-07 丽格诺新创有限公司 含有木素衍生物的碳纤维组合物
WO2011097719A1 (en) 2010-02-15 2011-08-18 Lignol Innovations Ltd. Binder compositions comprising lignin derivatives
EP3401410B1 (de) 2010-06-26 2020-12-30 Virdia, Inc. Verfahren zur herstellung von zuckermischungen
IL206678A0 (en) 2010-06-28 2010-12-30 Hcl Cleantech Ltd A method for the production of fermentable sugars
CA2803177C (en) 2010-06-30 2018-07-24 Suzano Canada Inc. Organosolv process
IL207329A0 (en) 2010-08-01 2010-12-30 Robert Jansen A method for refining a recycle extractant and for processing a lignocellulosic material and for the production of a carbohydrate composition
IL207945A0 (en) 2010-09-02 2010-12-30 Robert Jansen Method for the production of carbohydrates
PT106039A (pt) 2010-12-09 2012-10-26 Hcl Cleantech Ltd Processos e sistemas para o processamento de materiais lenhocelulósicos e composições relacionadas
WO2012126099A1 (en) 2011-03-24 2012-09-27 Lignol Innovations Ltd. Compositions comprising lignocellulosic biomass and organic solvent
WO2012137201A1 (en) 2011-04-07 2012-10-11 Hcl Cleantech Ltd. Lignocellulose conversion processes and products
US9617608B2 (en) 2011-10-10 2017-04-11 Virdia, Inc. Sugar compositions
EP2878349B1 (de) 2012-05-03 2022-07-06 Virdia, LLC Fraktionierung eines Gemisches mittels sequenzieller simulierter Fliessbettchromatographie
US9493851B2 (en) 2012-05-03 2016-11-15 Virdia, Inc. Methods for treating lignocellulosic materials
US9657146B2 (en) 2013-03-14 2017-05-23 Virdia, Inc. Methods for treating lignocellulosic materials
WO2014179777A1 (en) 2013-05-03 2014-11-06 Virdia, Inc. Methods for preparing thermally stable lignin fractions
CA2911042C (en) 2013-05-03 2021-02-02 Virdia, Inc. Methods for treating lignocellulosic materials
CN106687469B (zh) 2014-07-09 2019-02-15 威尔迪亚公司 用于从黑液中分离和精制木质素的方法及其组合物
US11078548B2 (en) 2015-01-07 2021-08-03 Virdia, Llc Method for producing xylitol by fermentation
BR112017025322A8 (pt) 2015-05-27 2022-08-23 Virdia Inc Processos integrados para recuperação de hidrolisato celulósico após hidrólise de polpa de celulose
SE539572C2 (en) * 2016-05-17 2017-10-17 Valmet Oy Method for generation of clean steam in a continuous digester system
EP3612511A4 (de) 2017-04-20 2021-01-20 Spero Renewables, Llc. Extraktion von natürlichem ferulat und cumarat aus biomasse
CN116084197A (zh) * 2022-12-27 2023-05-09 中国海诚工程科技股份有限公司 一种秸秆乙醇法置换蒸煮工艺

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US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
US3530034A (en) * 1969-05-16 1970-09-22 Itt Rayonier Inc Continuous aqueous prehydrolysis of wood chips
BE756225A (fr) * 1969-09-26 1971-03-01 Brev Ind Et Chimiques Soc Gen Procede de fabrication de pate cellulosique
CA1079008A (en) * 1975-10-24 1980-06-10 Cp Associates Limited Solvent pulping process
US4096027A (en) * 1976-02-19 1978-06-20 Kamyr Inc. System for presteaming wood chips at or near atmospheric pressure with minimum displacement of air
FI58953B (fi) * 1977-12-22 1981-01-30 Valmet Oy Foerfarande foer utnyttjande av vid framstaellning av termomekanisk massa bildad vaermeenergi
US4547264A (en) 1979-02-12 1985-10-15 Kamyr, Inc. Method of withdrawing liquid from a pair of vertically spaced annular screens
CA1147105A (en) * 1980-04-24 1983-05-31 Morris Wayman Process for depolymerization and extraction of lignin
SE422604B (sv) * 1980-08-29 1982-03-15 Modo Chemetics Ab Forfarande for flidforvermning
US4430029A (en) 1980-11-21 1984-02-07 Kamyr, Inc. High pressure feeder deflection compensation
DE3212767A1 (de) * 1982-04-06 1983-10-06 Nicolaus Md Verwaltungsges Verfahren und reaktor zum kontinuierlichen aufschliessen von pflanzenfasermaterial
SE451605B (sv) * 1983-06-27 1987-10-19 Mo Och Domsjoe Ab Forfarande och anordning for forbehandling av lignocellulosamaterial
US4516887A (en) 1983-07-27 1985-05-14 Kamyr, Inc. Feeder deflection compensation
US4764596A (en) * 1985-11-05 1988-08-16 Repap Technologies Inc. Recovery of lignin
CA1278294C (en) * 1987-09-17 1990-12-27 George S. Ritchie Method for fractionation of lignins from steam exploded lignocellulosics to provide fractions with different, but reproducible properties,and some methods for their interconversions and the products so produced
NZ229080A (en) * 1989-05-11 1991-10-25 Convertech Group Ltd Two stage process and equipment for the steam hydrolysis of woody material
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips

Also Published As

Publication number Publication date
DE69128059T2 (de) 1998-02-26
ZA914032B (en) 1992-02-26
EP0472820A3 (en) 1992-12-23
FI913315A7 (fi) 1992-02-18
US5681427A (en) 1997-10-28
AU8013091A (en) 1992-02-20
EP0763622A3 (de) 1999-08-25
DE69128059D1 (de) 1997-12-04
NO913210L (no) 1992-02-18
EP0763622A2 (de) 1997-03-19
EP0472820B1 (de) 1997-10-29
JPH04240283A (ja) 1992-08-27
AU683314B2 (en) 1997-11-06
NO913210D0 (no) 1991-08-16
BR9102275A (pt) 1992-04-28
US5865948A (en) 1999-02-02
AU8044294A (en) 1995-02-16
FI913315A0 (fi) 1991-07-09
CA2042885A1 (en) 1992-02-18
EP0472820A2 (de) 1992-03-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee