Article (Scientific journals)
Optimization of formic/acetic acid delignification of Miscanthus ×giganteus for enzymatic hydrolysis using response surface methodology
Vanderghem, Caroline; Brostaux, Yves; Jacquet, Nicolas et al.
2012In Industrial Crops and Products, 35, p. 280-286
Peer Reviewed verified by ORBi
 

Files


Full Text
INDCRO5783.pdf
Publisher postprint (669.62 kB)
Request a copy

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
Miscanthus ×giganteus; Formic/acetic acid pretreatment; Delignification; Enzymatic hydrolysis
Abstract :
[en] A Box–Behnken experimental design and response surface methodology were employed to optimize the pretreatment parameters of a formic/acetic acid delignification treatment of Miscanthus ×giganteus for enzymatic hydrolysis. The effects of three independent variables, namely cooking time (1, 2 and 3 h), formic acid/acetic acid/water ratio (20/60/20, 30/50/20 and 40/40/20) and temperature (80, 90 and 107 ◦C) on pulp yield, residual Klason lignin content, concentration of degradation products (furfural and hydroxymethylfurfural) in the black liquor, and enzymatic digestibility of the pulps were investigated. The major parameter influencing was the temperature for pulp yield, delignification degree, furfural production and enzymatic digestibility. According to the response surface analysis the optimum conditions predicted for a maximum enzymatic digestibility of the glucan (75.3%) would be obtained using a cooking time of 3 h, at 107 ◦C and with a formic acid/acetic acid/water ratio of 40/40/20%. Glucan digestibility was highly dependent on the delignification degree.
Disciplines :
Agriculture & agronomy
Author, co-author :
Vanderghem, Caroline ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Brostaux, Yves  ;  Université de Liège - ULiège > Sciences agronomiques > Statistique, Inform. et Mathém. appliquée à la bioingénierie
Jacquet, Nicolas  ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Blecker, Christophe ;  Université de Liège - ULiège > Chimie et bio-industries > Technologie des industries agro-alimentaires
Paquot, Michel ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Language :
English
Title :
Optimization of formic/acetic acid delignification of Miscanthus ×giganteus for enzymatic hydrolysis using response surface methodology
Publication date :
2012
Journal title :
Industrial Crops and Products
ISSN :
0926-6690
eISSN :
1872-633X
Publisher :
Elsevier Science
Volume :
35
Pages :
280-286
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
TECHNOSE project number 716757; LIGNOFUEL project number 716721
Funders :
DGTRE - Région wallonne. Direction générale des Technologies, de la Recherche et de l'Énergie [BE]
Available on ORBi :
since 25 August 2011

Statistics


Number of views
174 (45 by ULiège)
Number of downloads
25 (25 by ULiège)

Scopus citations®
 
72
Scopus citations®
without self-citations
64
OpenCitations
 
61

Bibliography


Similar publications



Contact ORBi