ATE519888T1 - Tränkung von schnitzeln mit saurer lauge vor sulfataufschlussverfahren - Google Patents

Tränkung von schnitzeln mit saurer lauge vor sulfataufschlussverfahren

Info

Publication number
ATE519888T1
ATE519888T1 AT04723440T AT04723440T ATE519888T1 AT E519888 T1 ATE519888 T1 AT E519888T1 AT 04723440 T AT04723440 T AT 04723440T AT 04723440 T AT04723440 T AT 04723440T AT E519888 T1 ATE519888 T1 AT E519888T1
Authority
AT
Austria
Prior art keywords
chips
schschetzels
soaking
distribution process
subsequent
Prior art date
Application number
AT04723440T
Other languages
English (en)
Inventor
Vidar Snekkenes
Krister Olsson
Original Assignee
Metso Paper Sweden Ab
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 Sweden Ab filed Critical Metso Paper Sweden Ab
Application granted granted Critical
Publication of ATE519888T1 publication Critical patent/ATE519888T1/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
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT04723440T 2003-04-17 2004-03-25 Tränkung von schnitzeln mit saurer lauge vor sulfataufschlussverfahren ATE519888T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0301162A SE525064C2 (sv) 2003-04-17 2003-04-17 Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa
PCT/SE2004/000454 WO2004092478A1 (en) 2003-04-17 2004-03-25 Impregnation of chips with an acid liquid prior to a sulphate pulping process

Publications (1)

Publication Number Publication Date
ATE519888T1 true ATE519888T1 (de) 2011-08-15

Family

ID=20291080

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04723440T ATE519888T1 (de) 2003-04-17 2004-03-25 Tränkung von schnitzeln mit saurer lauge vor sulfataufschlussverfahren

Country Status (5)

Country Link
US (1) US7445691B2 (de)
EP (1) EP1618248B1 (de)
AT (1) ATE519888T1 (de)
SE (1) SE525064C2 (de)
WO (1) WO2004092478A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2638150C (en) 2008-07-24 2012-03-27 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2638160C (en) 2008-07-24 2015-02-17 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2638159C (en) 2008-07-24 2012-09-11 Sunopta Bioprocess Inc. Method and apparatus for treating a cellulosic feedstock
CA2650913C (en) 2009-01-23 2013-10-15 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2650919C (en) 2009-01-23 2014-04-22 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2638157C (en) 2008-07-24 2013-05-28 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
US9127325B2 (en) 2008-07-24 2015-09-08 Abengoa Bioenergy New Technologies, Llc. Method and apparatus for treating a cellulosic feedstock
US8915644B2 (en) 2008-07-24 2014-12-23 Abengoa Bioenergy New Technologies, Llc. Method and apparatus for conveying a cellulosic feedstock
US8986500B2 (en) * 2009-02-17 2015-03-24 Valmet Aktiebolag Arrangement and method for the continuous steam pre-treatment of chips during the production of cellulose pulp
PL2467532T3 (pl) 2009-08-24 2014-11-28 Abengoa Bioenergy New Tech Llc Sposób wytwarzania etanolu i współproduktów z biomasy celulozowej
WO2011140222A1 (en) 2010-05-07 2011-11-10 Abengoa Bioenergy New Technologies, Inc. Process for recovery of values from a fermentation mass obtained in producing ethanol and products thereof
EP2592186A1 (de) 2011-11-08 2013-05-15 Södra Cell AB Kraft-Aufschlussverfahren

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520773A (en) * 1968-05-17 1970-07-14 Mac Millan Bloedel Ltd Alkaline pulping processes with chemical pretreatment
US3841962A (en) * 1972-07-31 1974-10-15 Mac Millan Bloedel Ltd Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes
US4475984A (en) * 1981-08-17 1984-10-09 International Paper Co. Process for pretreating wood chips with monoperoxy sulfuric acid or its salts prior to alkaline pulping
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
IT1258844B (it) * 1992-01-31 1996-02-29 Ausimont Spa Procedimento per la delignificazione di cellulosa grezza
SE506702C2 (sv) * 1996-04-30 1998-02-02 Kvaerner Pulping Tech Förbehandling av fibermaterial med in situ bildad vätesulfid
US6203662B1 (en) * 1997-08-07 2001-03-20 Kvaerner Pulping Ab Method for the continuous cooking of pulp in a digester system having a top separator
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi

Also Published As

Publication number Publication date
EP1618248A1 (de) 2006-01-25
SE525064C2 (sv) 2004-11-23
SE0301162D0 (sv) 2003-04-17
US7445691B2 (en) 2008-11-04
US20060213629A1 (en) 2006-09-28
WO2004092478A1 (en) 2004-10-28
SE0301162L (sv) 2004-10-18
EP1618248B1 (de) 2011-08-10

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