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PRODUCTION OF METHANE BY ANAEROBIC DIGESTION OF DOMESTICS REFUSE.

Objectif



THE RESEARCH WILL FOCUS ON TWO TOPICS:
1. EVALUATION OF ENHANCED BIOMETHANATION BY APPROPRIATE PRETREATMENTS OF THE DOMESTIC REFUSE. THE PRETREATMENT PATTERNS WILL INCLUDE:
A) SHORT-TERM AEROBIC PRE-COMPOSTING IN MECHANICAL DEVICES (VERSTRAETE, RUG, GENT)
B) ANAEROBIC LIQUEFACTION (NYNS, LOUVAIN-LA-NEUVE, UCL)
2. DESIGN OF ANAEROBIC DIGESTORS (UP TO 50 LITERS) CAPABLE OF PROCESSING PRETREATED DOMESTIC REFUSE, EITHER AT MESOPHILIC OR THERMOPHILIC TEMPERATURES, PARTICULARLY ADAPTED TO 1.A. (RUG,GENT) AND TO 1.B. (UCL, LOUVAIN-LQ-NEUVE).
NEW TYPESOF CONTINUOUS ANAEROBIC DIGESTORS NEED TO BE DEVELOPED WHICH ALLOW THE PROCESSING OF DOMESTIC REFUSE AT AN OPTIMUM SOLIDS CONTENT (EITHER IN THE 10-30% RANGE OR IN THE 25-35% RANGE).
AN ADAPTED ANALYTCAL TOOL WILL HAVE TO BE SET UP IN ORDER TO ENSURE A PROPER PARAMETRISATION OF THE CONTINUOUS SEMI-SOLID PROCESS AS HAS BEEN DONE FOR LIAUID PROCESSES.
ANAEROBIC DIGESTION IN THERMOPHILIC CONDITIONS WILL BE STUDIED BECAUSE IT IS PARTICULARLY WELL SUITED FOR SEMI-SOLID SUBSTRATES (STABILITY, CELLULOSE UTILISATION, ENERGY BALANCE).

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RIJKSUNIVERSITEIT GENT
Contribution de l’UE
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Adresse
SINT PIETERSNIEUWSTRAAT 25
9000 GENT
Belgique

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