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SE9703365D0 - Method in connection with impregnation and digestion of lignocelulosic material - Google Patents

Method in connection with impregnation and digestion of lignocelulosic material

Info

Publication number
SE9703365D0
SE9703365D0 SE9703365A SE9703365A SE9703365D0 SE 9703365 D0 SE9703365 D0 SE 9703365D0 SE 9703365 A SE9703365 A SE 9703365A SE 9703365 A SE9703365 A SE 9703365A SE 9703365 D0 SE9703365 D0 SE 9703365D0
Authority
SE
Sweden
Prior art keywords
impregnation
liquor
digestion
cooking
lignocelulosic
Prior art date
Application number
SE9703365A
Other languages
English (en)
Inventor
Lars Stigsson
Mikael Lindstroem
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9703365A priority Critical patent/SE9703365D0/sv
Publication of SE9703365D0 publication Critical patent/SE9703365D0/sv
Priority to EP97203636A priority patent/EP0903436B1/en
Priority to DE69704943T priority patent/DE69704943D1/de
Priority to AT97203636T priority patent/ATE201462T1/de
Priority to US08/992,114 priority patent/US6143130A/en
Priority to AU91955/98A priority patent/AU9195598A/en
Priority to JP2000511951A priority patent/JP4205855B2/ja
Priority to PCT/SE1998/001665 priority patent/WO1999014423A1/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
    • 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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
SE9703365A 1997-09-09 1997-09-18 Method in connection with impregnation and digestion of lignocelulosic material SE9703365D0 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9703365A SE9703365D0 (sv) 1997-09-18 1997-09-18 Method in connection with impregnation and digestion of lignocelulosic material
EP97203636A EP0903436B1 (en) 1997-09-18 1997-11-20 Method in connection with impregnation and digestion of lignocellulosic material
DE69704943T DE69704943D1 (de) 1997-09-18 1997-11-20 Verfahren zur Imprägnierung und Kochung eines lignocellulosischem Materials
AT97203636T ATE201462T1 (de) 1997-09-18 1997-11-20 Verfahren zur imprägnierung und kochung eines lignocellulosischem materials
US08/992,114 US6143130A (en) 1997-09-09 1997-12-17 Polysulfide pulping process
AU91955/98A AU9195598A (en) 1997-09-18 1998-09-17 Polysulfide pulping process
JP2000511951A JP4205855B2 (ja) 1997-09-18 1998-09-17 ポリサルファイドパルプ化プロセス
PCT/SE1998/001665 WO1999014423A1 (en) 1997-09-18 1998-09-17 Polysulfide pulping process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703365A SE9703365D0 (sv) 1997-09-18 1997-09-18 Method in connection with impregnation and digestion of lignocelulosic material

Publications (1)

Publication Number Publication Date
SE9703365D0 true SE9703365D0 (sv) 1997-09-18

Family

ID=20408287

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703365A SE9703365D0 (sv) 1997-09-09 1997-09-18 Method in connection with impregnation and digestion of lignocelulosic material

Country Status (5)

Country Link
US (1) US6143130A (sv)
EP (1) EP0903436B1 (sv)
AT (1) ATE201462T1 (sv)
DE (1) DE69704943D1 (sv)
SE (1) SE9703365D0 (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000077295A1 (fr) * 1999-06-15 2000-12-21 Kawasaki Kasei Chemicals Ltd. Procede de cuisson pour pate a papier
SE0004185D0 (sv) * 2000-11-15 2000-11-15 Nykomb Synergetics B V New process
US6464827B1 (en) * 2000-11-28 2002-10-15 Praxair Technology, Inc. Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissociated lignin
FI120361B (sv) * 2003-12-31 2009-09-30 Gl & V Finance Hungary Kft Satskokförfarande för framställning av kraftmassa
FI122841B (sv) * 2004-10-04 2012-07-31 Metso Paper Inc Förfarande och anordning för tillverkning av cellulosamassa
FI120547B (sv) * 2004-10-04 2009-11-30 Metso Paper Inc Alkaliskt kokförfarande och anläggning för framställning av massa
US7828930B2 (en) * 2007-11-20 2010-11-09 International Paper Company Use of polysulfide in modified cooking
US20100159522A1 (en) * 2008-12-19 2010-06-24 E.I. De Pont De Nemours And Company Organosolv and ozone treatment of biomass to enhance enzymatic saccharification
US8216809B2 (en) * 2008-12-19 2012-07-10 E I Du Pont De Nemours And Company Organic solvent pretreatment of biomass to enhance enzymatic saccharification
FI127420B (sv) * 2011-06-23 2018-05-31 Andritz Oy Förfarande för framställning av cellulosamassa
FI129114B (sv) * 2012-03-12 2021-07-15 Upm Kymmene Corp Förfarande och anordning för behandling av vätskeströmmar i en cellulosafabrik
AR091998A1 (es) 2012-05-03 2015-03-18 Annikki Gmbh Procedimiento de preparacion de celulosa con baja concentracion de lignina
FI20135105A7 (sv) 2013-02-04 2014-08-05 Andritz Oy Förfarande för tillvaratagande av kemikalier och biprodukter från koklutar med hög sulfiditet
FI129362B (sv) * 2017-05-16 2021-12-31 Andritz Oy Förfarande för att producera kemisk massa

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639987A (en) * 1947-07-09 1953-05-26 Ass Pulp & Paper Mills Two-stage pulping process
SE218041C1 (sv) * 1962-12-17 1968-01-02 Mo Och Domsjoe Ab Sätt att med rökgas avdriva svavelväte från lösningar innehållande alkalisulfid
US3567572A (en) * 1967-09-06 1971-03-02 Pulp Paper Res Inst Polysulfide liquor impregnation of lignocellulose materials in a multistage pulping process
US3526666A (en) * 1968-01-12 1970-09-01 Ferro Corp Synthesis of 2-hydroxy-4-alkoxybenzophenones
US3874991A (en) * 1968-08-23 1975-04-01 Westvaco Corp Polysulfide impregnation of lignocellulosic materials in a continuous digester
US3664919A (en) * 1969-12-09 1972-05-23 Pulp Paper Res Inst Vapor phase polysulphide liquid pulping of lignocellulosic materials
US3650888A (en) * 1970-06-11 1972-03-21 Combustion Eng Pollution controlled polysulfide recovery process
US4024229A (en) * 1970-11-06 1977-05-17 The Mead Corporation Production of polysulfide with PTFE coated catalyst
CA1013903A (en) * 1973-06-04 1977-07-19 Union Camp Corporation Method of pulping with polysulfide
SE448173B (sv) * 1985-06-03 1987-01-26 Croon Inventor Ab Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys
JPS62247812A (ja) * 1986-04-18 1987-10-28 Chiyoda Chem Eng & Constr Co Ltd 加圧式上向流深層濾過方法及びそれに用いる濾過器
NO920692L (no) * 1991-05-24 1992-11-25 Kamyr Inc Behandling av organiske svovelgasser, spesielt i kraftmasse systemer og prosesser
US5234546A (en) * 1991-09-10 1993-08-10 Kamyr, Inc. Polysulfide production in white liquor
SE468600B (sv) * 1991-12-16 1993-02-15 Chemrec Ab Saett att framstaella koklut med hoeg sulfiditet
SE500263C2 (sv) * 1993-03-11 1994-05-24 Chemrec Ab Process för separation av svavelföreningar ur en koldioxid- och vätesulfidinnehållande gasström
SE503455C2 (sv) * 1993-09-27 1996-06-17 Kvaerner Pulping Tech Beredning av sulfitinnehållande kokvätska och användning av kokvätskan för förimpregnering
SE506702C2 (sv) * 1996-04-30 1998-02-02 Kvaerner Pulping Tech Förbehandling av fibermaterial med in situ bildad vätesulfid

Also Published As

Publication number Publication date
EP0903436B1 (en) 2001-05-23
EP0903436A2 (en) 1999-03-24
DE69704943D1 (de) 2001-06-28
US6143130A (en) 2000-11-07
EP0903436A3 (en) 1999-09-01
ATE201462T1 (de) 2001-06-15

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