FI20021152A0 - Process and system for treating wood chips before cooking - Google Patents

Process and system for treating wood chips before cooking

Info

Publication number
FI20021152A0
FI20021152A0 FI20021152A FI20021152A FI20021152A0 FI 20021152 A0 FI20021152 A0 FI 20021152A0 FI 20021152 A FI20021152 A FI 20021152A FI 20021152 A FI20021152 A FI 20021152A FI 20021152 A0 FI20021152 A0 FI 20021152A0
Authority
FI
Finland
Prior art keywords
wood chips
before cooking
treating wood
chips before
treating
Prior art date
Application number
FI20021152A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20021152A (en
Inventor
Kaj Henricson
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 FI20021152A0 publication Critical patent/FI20021152A0/en
Publication of FI20021152A publication Critical patent/FI20021152A/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
FI20021152A 2001-06-22 2002-06-14 Method and system for treating chips before cooking FI20021152A (en)

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 (2)

Publication Number Publication Date
FI20021152A0 true FI20021152A0 (en) 2002-06-14
FI20021152A FI20021152A (en) 2002-12-23

Family

ID=26855812

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20021152A FI20021152A (en) 2001-06-22 2002-06-14 Method and system for treating chips before cooking

Country Status (5)

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

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 (en) * 2004-02-03 2005-08-10 Siemens Aktiengesellschaft Process of brazing repairing of a part having a base material with oriented microstructure
FI122651B (en) * 2004-11-19 2012-05-15 Metso Paper Inc Process and apparatus for treating wood chips
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 (en) * 2013-12-18 2017-08-08 Shell Int Research CONTINUOUS OR SEMI-CONTINUOUS BIOMASS WASHING SYSTEM FOR HYDROTHERMIC HYDROCATALYTIC COVERSION
SE542430C2 (en) * 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
FI58360C (en) * 1974-06-14 1981-01-12 Mo Och Domsjoe Ab FOERFARANDE FOER DELIGNIFIERING AV LIGNOCELLULOSAHALTIGT MATERIAL MED HJAELP AV SYREINNEHAOLLANDE GAS OCH APPARATUR FOER UTFOERANDE AV DETTA FOERFARANDE
SE416481B (en) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab METHOD AND DEVICE FOR TREATMENT OF WOOD TIP FOR REMOVAL OF HEAVY METALS AND RESIN
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 (en) * 1988-10-25 1990-10-10 Enso Gutzeit Oy FOERFARANDE FOER BEHANDLING AV AVFALLSVATTEN FRAON TRAEFOERAEDLINGSINDUSTRINS MASSAFRAMSTAELLNINGSPROCESSER.
US6143134A (en) * 1998-11-06 2000-11-07 Andritz-Ahlstrom Inc. Chip spreader for air-lock feeder

Also Published As

Publication number Publication date
SE0201891L (en) 2002-12-23
CA2390742A1 (en) 2002-12-22
FI20021152A (en) 2002-12-23
CA2390742C (en) 2009-11-10
SE0201891D0 (en) 2002-06-20
US20030000661A1 (en) 2003-01-02
SE528163C2 (en) 2006-09-19
JP2003020582A (en) 2003-01-24

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Legal Events

Date Code Title Description
FA Application withdrawn