SE0201891L - Avlägsnande av vattenlösliga föreningar ur träflis före kokningen - Google Patents

Avlägsnande av vattenlösliga föreningar ur träflis före kokningen

Info

Publication number
SE0201891L
SE0201891L SE0201891A SE0201891A SE0201891L SE 0201891 L SE0201891 L SE 0201891L SE 0201891 A SE0201891 A SE 0201891A SE 0201891 A SE0201891 A SE 0201891A SE 0201891 L SE0201891 L SE 0201891L
Authority
SE
Sweden
Prior art keywords
water
compounds
wood chips
soluble
soluble compounds
Prior art date
Application number
SE0201891A
Other languages
Unknown language ( )
English (en)
Other versions
SE528163C2 (sv
SE0201891D0 (sv
Inventor
Kaj O Henricsson
C Bertil Stromberg
Original Assignee
Andritz 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 Andritz Inc filed Critical Andritz Inc
Publication of SE0201891D0 publication Critical patent/SE0201891D0/sv
Publication of SE0201891L publication Critical patent/SE0201891L/sv
Publication of SE528163C2 publication Critical patent/SE528163C2/sv

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
SE0201891A 2001-06-22 2002-06-20 Avlägsnande av vattenlösliga föreningar ur träflis före kokningen SE528163C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29977001P 2001-06-22 2001-06-22
US10/159,292 US20030000661A1 (en) 2001-06-22 2002-06-03 Removal of water-soluble compounds from wood chips prior to cooking

Publications (3)

Publication Number Publication Date
SE0201891D0 SE0201891D0 (sv) 2002-06-20
SE0201891L true SE0201891L (sv) 2002-12-23
SE528163C2 SE528163C2 (sv) 2006-09-19

Family

ID=26855812

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0201891A SE528163C2 (sv) 2001-06-22 2002-06-20 Avlägsnande av vattenlösliga föreningar ur träflis före kokningen

Country Status (5)

Country Link
US (1) US20030000661A1 (sv)
JP (1) JP2003020582A (sv)
CA (1) CA2390742C (sv)
FI (1) FI20021152A (sv)
SE (1) SE528163C2 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7309401B2 (en) * 2003-05-12 2007-12-18 Andritz Inc. Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester
EP1561536A1 (de) * 2004-02-03 2005-08-10 Siemens Aktiengesellschaft Reparatur-Lotverfahren zum Reparieren eines Bauteils, welches ein Basismaterial mit einer gerichteten Mikrostruktur umfasst
FI122651B (sv) * 2004-11-19 2012-05-15 Metso Paper Inc Förfarande och anordning för behandling av flis
US20150376834A1 (en) * 2013-02-07 2015-12-31 University Of Maine System Board Of Trustees Extraction of lignocellulosics for production of fibers and a precipitate-free hemicellulose extract
BR112016014206A2 (pt) * 2013-12-18 2017-08-08 Shell Int Research Sistema de lavagem de biomassa contínuo ou semicontínuo para coversão hidrocatalítica hidrotérmica
SE542430C2 (sv) * 2017-09-19 2020-04-28 Domsjoe Fabriker Ab Removal of inorganic elements from wood chips

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505529A (en) * 1974-06-14 1978-03-30 Mo Och Domsjoe Ab Method for the oxygen-gas delignification of lignocellulosic material and apparatus for carrying out the method
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
US4826567A (en) * 1985-08-05 1989-05-02 Interox (Societe Anonyme) Process for the delignification of cellulosic substances by pretreating with a complexing agent followed by hydrogen peroxide
FI81396C (sv) * 1988-10-25 1990-10-10 Enso Gutzeit Oy Förfarande för behandling av avfallsvatten från träförädlingsindustri ns massaframställningsprocesser
US6143134A (en) * 1998-11-06 2000-11-07 Andritz-Ahlstrom Inc. Chip spreader for air-lock feeder

Also Published As

Publication number Publication date
FI20021152A (sv) 2002-12-23
JP2003020582A (ja) 2003-01-24
FI20021152A0 (sv) 2002-06-14
CA2390742A1 (en) 2002-12-22
US20030000661A1 (en) 2003-01-02
SE528163C2 (sv) 2006-09-19
SE0201891D0 (sv) 2002-06-20
CA2390742C (en) 2009-11-10

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Legal Events

Date Code Title Description
NUG Patent has lapsed