ORBi: Hiligsmann Serge - Investigation of anaerobic digestion in a two-stage bioprocess producing hydrogen and methane

Reference : Investigation of anaerobic digestion in a two-stage bioprocess producing hydrogen and me...


	Document type :	Scientific congresses and symposiums : Unpublished conference
	Discipline(s) :	Engineering, computing & technology : Energy Life sciences : Biotechnology Life sciences : Microbiology
	To cite this reference:	http://hdl.handle.net/2268/78753

Title :	Investigation of anaerobic digestion in a two-stage bioprocess producing hydrogen and methane
Language :	English
Author, co-author :	Hiligsmann, Serge [Université de Liège - ULg > Département des sciences de la vie > Biochimie et microbiologie industrielles >]
	Hamilton, Christopher [Université de Liège - ULg > > Centre Wallon de biologie industrielle >]
	Beckers, Laurent [Université de Liège - ULg > Département des sciences de la vie > Biochimie et microbiologie industrielles >]
	Masset, Julien [Université de Liège - ULg > Département des sciences de la vie > Biochimie et microbiologie industrielles >]
	Thonart, Philippe [Université de Liège - ULg > Département des sciences de la vie > Biochimie et microbiologie industrielles - Bio-industries >]
Publication date :	17-Nov-2010
Page number :	12
On invitation :	No
Audience :	International
Event name :	15th European Biosolids and Organic Resources Conference
Event date :	15-17 novembre 2010
Event organizer :	Aqua Enviro Technology Transfer
Event place (city) :	Leeds
Event country :	United Kingdom
Keywords :	[en] biological production ; hydrogen ; anaerobic digestion ; methane ; carbohydrates
Abstract :	[en] Hydrogen has received wide attention in the last decades as a clean energy vector. The major advantage of energy generation from hydrogen is the near-zero carbon emissions, since the utilization of hydrogen, either via combustion or via fuel cells, results in pure water. Recently, there has been increasing interest on the biological production of hydrogen gas from renewable biomass such as carbohydrates from agriculture or agro-food industries. This specific anaerobic digestion is called dark fermentation and is involved in the classic anaerobic digestion producing methane. Indeed, in a two-step process, i.e. when acido- and aceto-genesis are carried out in a different bioreactor than methanogenesis, it is feasible to generate separated biogas flows containing either H2 or CH4 depending on specific operating parameters. This paper deals with the comparison of the first stage performances whether operated in optimum conditions for H2 production with a mixed culture or a pure Clostridium butyricum strain. Hydrogen yields of about 1.75 and 2.3 mol H2/mol glucose were achieved respectively. The metabolites, mainly acetate and butyrate, contained in the spent medium were efficiently converted to methane in a second anaerobic digester with a methane yield of about 170 ml/g COD initially fed in the first stage.
Research units :	Centre Wallon de Biologie Industrielle
Funders :	Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Action de Recherches concertées ARC 07/12 04- ULg- Communauté française ; Fonds pour la formation à la Recherche dans l'Industrie et dans l'Agriculture (Communauté française de Belgique) - FRIA ; Région wallonne : Direction générale des Technologies, de la Recherche et de l'Energie - DGTRE ; Université de Liège - subsides "Missions scientifiques" ; Région wallonne : Direction générale des Relations extérieures - DGRE
Name of the research project :	Etude de la production d'hydrogène par les bactéries anaérobies chimiotrophes (dark-fermentation)
Target :	Researchers ; Professionals ; Students ; General public
Permalink :	http://hdl.handle.net/2268/78753
Other URL :	http://www.microh2.ulg.ac.be
	http://cwbi.fsagx.ac.be/

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Fulltext file(s):

	File	Commentary	Version	Size	Access
Open access	15th Biosolids conference Leeds 15-17 Nov 2010_S Hiligsmann_Two-stage anaerobic digestion.pdf	oral communication	Publisher postprint	1.16 MB	View/Open
Open access	Hiligsmann et al_2010 Proc 15th EU biosolids conf Leeds Nov 2010_Two-phase AD H2-CH4.pdf	paper	Publisher postprint	259.14 kB	View/Open

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