Poster (Scientific congresses and symposiums)
Effect of encapsulated nanoparticles on thermophillic anaerobic digestion
Al-Ahmad, Alaa Eddin; Hiligsmann, Serge; Lambert, Stéphanie et al.
201419th National Symposium on Applied Biological Sciences
 

Files


Full Text
Poster.pdf
Publisher postprint (268.96 kB)
Download

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
Nanoparticles; Anaerobic Digestion; Methane
Abstract :
[en] Recently, enormous interest has been focused on biological applications of metal nanoparticles NPs due to their small size, high specified surface and their great potential in application to many science fields. The most studied process concerns zero valent palladium and iron NPs improving anaerobic biodegradation of chlorinated hydrocarbons (Windt et al., 2005). Moreover, investigation carried out in our lab showed that iron NPs encapsulated in silicate matrix may enhance hydrogen production by Clostridium butyricum (Beckers et al., 2013). Nevertheless the influences of metal NPs on methane producing anaerobic digestion have seldom been investigated. The present work investigates the enhancement effect of seven different metal NPs on methane production during the thermophilic anaerobic digestion. NPs of Cu, Pd, Pt, Ni, Co, Ag and Fe encapsulated in porous silica (SiO2) to prevent their coagulation and agglomeration, were added at concentration of 10-5mol/L in batch test (125ml serum bottles containing 70mL culture medium with 5g/L acetate monohydrate as the sole carbon substrate). Nickel, cobalt and iron NPs improved methane production from acetate. To confirm the previous results, the NPs were tested at different concentrations (10-4, 10-5, and 10-6 mol/L) with starch and glucose substrates. The results show that the impact increases with the increase of NPs concentrations up to 10-4 mol/L. The modified Gompertz equation was applied to describe the effect of NPs on anaerobic digestion. According to this model, the kinetic of methane production was particularly affected by nanoparticles addition. The values of the maximum methane production rate MPR (ml/day) was significantly higher 72.5% with nickel NPs at a concentration of 10-4 mol/L than the control without NPs.
Research center :
CWBI
Disciplines :
Biotechnology
Author, co-author :
Al-Ahmad, Alaa Eddin ;  Université de Liège - ULiège > Form. doct. sc. agro. & ingé. biol.
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 - Nanomatériaux et interfaces
Heinrichs, Benoît ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Nanomatériaux et interfaces
Wannoussa, Wissal ;  Université de Liège - ULiège > Doct. sc. (bioch., biol. mol.&cell., bioinf.&mod.-Bologne)
Tasseroul, Ludivine ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Nanomatériaux et interfaces
Weekers, Frédéric;  Artechno SA
Thonart, Philippe ;  Université de Liège - ULiège > Département des sciences de la vie > Biochimie et microbiologie industrielles
Language :
English
Title :
Effect of encapsulated nanoparticles on thermophillic anaerobic digestion
Alternative titles :
[en] Effect of encapsulated nanoparticles on thermophillic anaerobic digestion
Publication date :
07 February 2014
Number of pages :
2×1m
Event name :
19th National Symposium on Applied Biological Sciences
Event organizer :
University of liege, Gembloux Agro Bio-tech
Event place :
Gembloux, Belgium
Event date :
07/02/2014
Available on ORBi :
since 12 June 2014

Statistics


Number of views
575 (33 by ULiège)
Number of downloads
301 (16 by ULiège)

Bibliography


Similar publications



Contact ORBi