Article (Scientific journals)
Improving effect of metal and oxide nanoparticles encapsulated in porous silica on fermentative biohydrogen production by Clostridium butyricum.
Beckers, Laurent; Hiligsmann, Serge; Lambert, Stéphanie et al.
2013In Bioresource Technology, 133C, p. 109-117
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Keywords :
Biohydrogen; Dark fermentation; Clostridium butyricum; Encapsulated nanoparticles; Sol–gel process
Abstract :
[en] This paper investigated the enhancement effect of nanometre-sized metallic (Pd, Ag and Cu) or metallic oxide (Fe(x)O(y)) nanoparticles on fermentative hydrogen production from glucose by a Clostridium butyricum strain. These nanoparticles (NP) of about 2-3nm were encapsulated in porous silica (SiO(2)) and were added at very low concentration (10(-6)molL(-1)) in batch hydrogen production test. The cultures containing iron oxide NP produced 38% more hydrogen with a higher maximum H(2) production rate (HPR) of 58% than those without NP or with silica particles only. The iron oxide NP were used in a 2.5L sequencing-batch reactor and showed no significant effect on the yields (established at 2.2mol(hydrogen)mol(glucose)(-1)) but an improvement of the HPR (+113%, reaching a maximum HPR of 86mL(hydrogen)L(-1)h(-1)). These results suggest an improvement of the electron transfers trough some combinations between enzymatic activity and inorganic materials.
Research center :
Centre Wallon de Biologie Industrielle - ULiège
Laboratoire de Génie Chimique - ULiège
Disciplines :
Materials science & engineering
Biotechnology
Microbiology
Author, co-author :
Beckers, Laurent;  Université de Liège - ULiège > Département des Sciences de la vie > Biochimie et microbiologie industrielles
Hiligsmann, Serge ;  Université de Liège - ULiège > Département des sciences de la vie > Biochimie et microbiologie industrielles
Lambert, Stéphanie  ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Génie catalytique
Heinrichs, Benoît ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Nanomatériaux et interfaces
Thonart, Philippe ;  Université de Liège - ULiège > Département des sciences de la vie > Biochimie et microbiologie industrielles
Language :
English
Title :
Improving effect of metal and oxide nanoparticles encapsulated in porous silica on fermentative biohydrogen production by Clostridium butyricum.
Publication date :
2013
Journal title :
Bioresource Technology
ISSN :
0960-8524
eISSN :
1873-2976
Publisher :
Elsevier Science
Volume :
133C
Pages :
109-117
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Etude de la production d'hydrogène par les bactéries anaérobies chimiotrophes (dark-fermentation)
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Action de Recherches concertées ARC 07/12 04- ULg- Communauté française
Commentary :
Copyright (c) 2012 Elsevier Ltd. All rights reserved.
Available on ORBi :
since 25 February 2013

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