ZA200108406B - Method for separating lignocellulose-containing biomass. - Google Patents

Method for separating lignocellulose-containing biomass.

Info

Publication number
ZA200108406B
ZA200108406B ZA200108406A ZA200108406A ZA200108406B ZA 200108406 B ZA200108406 B ZA 200108406B ZA 200108406 A ZA200108406 A ZA 200108406A ZA 200108406 A ZA200108406 A ZA 200108406A ZA 200108406 B ZA200108406 B ZA 200108406B
Authority
ZA
South Africa
Prior art keywords
lignin
alkanolamine
containing biomass
cellulose
lignocellulose
Prior art date
Application number
ZA200108406A
Inventor
Ties Karstens
Original Assignee
Rhodia Acetow Gmbh
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 Rhodia Acetow Gmbh filed Critical Rhodia Acetow Gmbh
Publication of ZA200108406B publication Critical patent/ZA200108406B/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
    • 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
    • D21C3/003—Pulping cellulose-containing materials with organic compounds

Abstract

The invention relates to a method for separating lignocellulose-containing biomass, especially wood, into the essential components in the form of lignin, hemicellulose and cellulose, with the following steps: a) pre-hydrolyzing the lignocellulose-containing biomass by treating it with water or steam; b) extracting the hydrolyzed hemicellulose obtained by pre-hydrolyzation with an aqueous medium; c) extracting the process-modified lignin that remains in the residue with an alkanolamine, isolating the lignin, recovering the alkanolamine, whereby the alkanolamine is not substituted by alkyl groups at the nitrogen atom, and d) obtaining a cellulose raw material. The inventive method is characterized in that hemicelluloses and lignin can be specifically separated from the cellulose in two different process steps. For this purpose, simple and commercially available system components can be used that facilitate an economical operation also with small installations.
ZA200108406A 1999-04-12 2001-10-12 Method for separating lignocellulose-containing biomass. ZA200108406B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19916347A DE19916347C1 (en) 1999-04-12 1999-04-12 Process for separating biomass containing lignocellulose

Publications (1)

Publication Number Publication Date
ZA200108406B true ZA200108406B (en) 2002-12-24

Family

ID=7904218

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200108406A ZA200108406B (en) 1999-04-12 2001-10-12 Method for separating lignocellulose-containing biomass.

Country Status (18)

Country Link
EP (1) EP1190137B1 (en)
JP (1) JP2002541355A (en)
CN (1) CN1208514C (en)
AT (1) ATE255187T1 (en)
AU (1) AU756976B2 (en)
BR (1) BR0011169B1 (en)
CA (1) CA2368872C (en)
CZ (1) CZ298831B6 (en)
DE (2) DE19916347C1 (en)
ES (1) ES2213011T3 (en)
NO (1) NO20014939L (en)
NZ (1) NZ515051A (en)
PL (1) PL203363B1 (en)
PT (1) PT1190137E (en)
RU (1) RU2220245C2 (en)
SK (1) SK14392001A3 (en)
WO (1) WO2000061858A1 (en)
ZA (1) ZA200108406B (en)

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Also Published As

Publication number Publication date
JP2002541355A (en) 2002-12-03
EP1190137B1 (en) 2003-11-26
WO2000061858A1 (en) 2000-10-19
CZ298831B6 (en) 2008-02-20
NZ515051A (en) 2003-03-28
ES2213011T3 (en) 2004-08-16
CN1352716A (en) 2002-06-05
RU2220245C2 (en) 2003-12-27
CA2368872A1 (en) 2000-10-19
SK14392001A3 (en) 2002-04-04
CA2368872C (en) 2005-11-29
PL351393A1 (en) 2003-04-07
BR0011169A (en) 2002-02-19
DE50004573D1 (en) 2004-01-08
NO20014939D0 (en) 2001-10-10
CZ20013627A3 (en) 2003-10-15
AU756976B2 (en) 2003-01-30
PT1190137E (en) 2004-04-30
EP1190137A1 (en) 2002-03-27
CN1208514C (en) 2005-06-29
AU4399500A (en) 2000-11-14
ATE255187T1 (en) 2003-12-15
BR0011169B1 (en) 2011-02-22
DE19916347C1 (en) 2000-11-09
NO20014939L (en) 2001-12-04
PL203363B1 (en) 2009-09-30

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