DE50004573D1 - METHOD FOR SEPARATING LIGNOCELLULOSE-CONTAINING BIOMASS - Google Patents

METHOD FOR SEPARATING LIGNOCELLULOSE-CONTAINING BIOMASS

Info

Publication number
DE50004573D1
DE50004573D1 DE50004573T DE50004573T DE50004573D1 DE 50004573 D1 DE50004573 D1 DE 50004573D1 DE 50004573 T DE50004573 T DE 50004573T DE 50004573 T DE50004573 T DE 50004573T DE 50004573 D1 DE50004573 D1 DE 50004573D1
Authority
DE
Germany
Prior art keywords
lignin
alkanolamine
containing biomass
cellulose
lignocellulose
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE50004573T
Other languages
German (de)
Inventor
Ties Karstens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cerdia Produktions GmbH
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
Priority to DE50004573T priority Critical patent/DE50004573D1/en
Application granted granted Critical
Publication of DE50004573D1 publication Critical patent/DE50004573D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Unknown Constitution (AREA)

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.
DE50004573T 1999-04-12 2000-04-11 METHOD FOR SEPARATING LIGNOCELLULOSE-CONTAINING BIOMASS Expired - Lifetime DE50004573D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50004573T DE50004573D1 (en) 1999-04-12 2000-04-11 METHOD FOR SEPARATING LIGNOCELLULOSE-CONTAINING BIOMASS

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19916347A DE19916347C1 (en) 1999-04-12 1999-04-12 Process for separating biomass containing lignocellulose
DE50004573T DE50004573D1 (en) 1999-04-12 2000-04-11 METHOD FOR SEPARATING LIGNOCELLULOSE-CONTAINING BIOMASS
PCT/EP2000/003212 WO2000061858A1 (en) 1999-04-12 2000-04-11 Method for separating lignocellulose-containing biomass

Publications (1)

Publication Number Publication Date
DE50004573D1 true DE50004573D1 (en) 2004-01-08

Family

ID=7904218

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19916347A Expired - Fee Related DE19916347C1 (en) 1999-04-12 1999-04-12 Process for separating biomass containing lignocellulose
DE50004573T Expired - Lifetime DE50004573D1 (en) 1999-04-12 2000-04-11 METHOD FOR SEPARATING LIGNOCELLULOSE-CONTAINING BIOMASS

Family Applications Before (1)

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

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
NO20014939L (en) 2001-12-04
EP1190137A1 (en) 2002-03-27
CA2368872C (en) 2005-11-29
CN1352716A (en) 2002-06-05
SK14392001A3 (en) 2002-04-04
CZ20013627A3 (en) 2003-10-15
BR0011169B1 (en) 2011-02-22
PT1190137E (en) 2004-04-30
CA2368872A1 (en) 2000-10-19
DE19916347C1 (en) 2000-11-09
RU2220245C2 (en) 2003-12-27
AU4399500A (en) 2000-11-14
PL203363B1 (en) 2009-09-30
AU756976B2 (en) 2003-01-30
JP2002541355A (en) 2002-12-03
CN1208514C (en) 2005-06-29
ATE255187T1 (en) 2003-12-15
EP1190137B1 (en) 2003-11-26
NO20014939D0 (en) 2001-10-10
CZ298831B6 (en) 2008-02-20
BR0011169A (en) 2002-02-19
ZA200108406B (en) 2002-12-24
ES2213011T3 (en) 2004-08-16
PL351393A1 (en) 2003-04-07
WO2000061858A1 (en) 2000-10-19
NZ515051A (en) 2003-03-28

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