FI20075970A - Förfarande för delignifiering av trä - Google Patents

Förfarande för delignifiering av trä Download PDF

Info

Publication number
FI20075970A
FI20075970A FI20075970A FI20075970A FI20075970A FI 20075970 A FI20075970 A FI 20075970A FI 20075970 A FI20075970 A FI 20075970A FI 20075970 A FI20075970 A FI 20075970A FI 20075970 A FI20075970 A FI 20075970A
Authority
FI
Finland
Prior art keywords
delignification
wood
procedure
Prior art date
Application number
FI20075970A
Other languages
English (en)
Finnish (fi)
Other versions
FI122974B (sv
FI20075970A0 (sv
Inventor
Juha Maijala
Jaakko Hiltunen
Atte Mikkelson
Original Assignee
Keskuslaboratorio
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 Keskuslaboratorio filed Critical Keskuslaboratorio
Priority to FI20075970A priority Critical patent/FI122974B/sv
Publication of FI20075970A0 publication Critical patent/FI20075970A0/sv
Priority to PCT/FI2008/050789 priority patent/WO2009083652A2/en
Publication of FI20075970A publication Critical patent/FI20075970A/sv
Application granted granted Critical
Publication of FI122974B publication Critical patent/FI122974B/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/006—Pulping cellulose-containing materials with compounds not otherwise provided for
    • 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
FI20075970A 2007-12-28 2007-12-28 Förfarande för delignifiering av ett lignocellulosahaltigt råmaterial FI122974B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20075970A FI122974B (sv) 2007-12-28 2007-12-28 Förfarande för delignifiering av ett lignocellulosahaltigt råmaterial
PCT/FI2008/050789 WO2009083652A2 (en) 2007-12-28 2008-12-29 Method of delignifying wood

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075970A FI122974B (sv) 2007-12-28 2007-12-28 Förfarande för delignifiering av ett lignocellulosahaltigt råmaterial
FI20075970 2007-12-28

Publications (3)

Publication Number Publication Date
FI20075970A0 FI20075970A0 (sv) 2007-12-28
FI20075970A true FI20075970A (sv) 2009-06-29
FI122974B FI122974B (sv) 2012-09-28

Family

ID=38951665

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20075970A FI122974B (sv) 2007-12-28 2007-12-28 Förfarande för delignifiering av ett lignocellulosahaltigt råmaterial

Country Status (2)

Country Link
FI (1) FI122974B (sv)
WO (1) WO2009083652A2 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010048614B4 (de) 2010-10-15 2015-01-15 Bayer Intellectual Property Gmbh Verfahren zur Gewinnung von Lignin, Tannin, Cellulose und Hemicellulose aus biogenem Material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707436A (en) * 1971-03-22 1972-12-26 Kimberly Clark Co Exploding of ammonia impregnated wood chips
US4397712A (en) * 1975-02-12 1983-08-09 New Fibers International Semi-chemical pulping process
US4308200A (en) * 1980-07-10 1981-12-29 Champion International Corporation Extraction of coniferous woods with fluid carbon dioxide and other supercritical fluids
US4714591A (en) * 1983-12-22 1987-12-22 Domtar Inc. Apparatus and method involving supercritical fluid extraction
US4644060A (en) * 1985-05-21 1987-02-17 E. I. Du Pont De Nemours And Company Supercritical ammonia treatment of lignocellulosic materials
US5041192A (en) * 1988-09-16 1991-08-20 University Of South Florida Supercritical delignification of wood

Also Published As

Publication number Publication date
FI122974B (sv) 2012-09-28
FI20075970A0 (sv) 2007-12-28
WO2009083652A3 (en) 2009-09-03
WO2009083652A2 (en) 2009-07-09

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