Seville, Jonathan Deng, Yimin Dawn Bell, Sarah Dewil, Raf Appels, Lise Ansart, Renaud Leadbeater, Tom Parker, David Zhang, Huili Ingram, Andrew
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The in situ analysis of industrial processes, mostly conducted in opaque equipment is difficult. Whereas previously the positron emission technique was successfully applied to study the flow and mixing in gas-solid and liquid-solid systems using radio-active tracer particles, research on imaging a radio- active tracer gas is scarce. The present pap...
Rimboud, Mickaël Barakat, Mohamed Achouak, Wafa Bergel, Alain Délia, Marie-Line
Hypersaline electrolytes offer a way to boost the development of microbial fuel cells by overcoming the issue due to the low conductivity of the usual media. Efficient halotolerant bioanodes have already been designed but O2-reducing cathodes remain a strong bottleneck. Here, O2-reducing biocathodes were designed by using salt marsh sediment as the...
Triquet, Thibaut Tendero, Claire Latapie, Laure Manero, Marie-Hélène Richard, Romain Andriantsiferana, Caroline
This work presents a solution for the photocatalytic degradation of the antibiotic ciprofloxacin (CIP) in water, without using P25 TiO2 powder and thus getting rid of expensive separation steps. It consists in using a TiO2 coating that is directly deposited on the optical window of a photocatalytic micro-reactor and 365 nm UV LEDs as radiation sour...
Zielinski, Margot Cassayre, Laurent Floquet, Pascal Macouin, Mélina Destrac, Philippe Coppey, Nicolas Foulet, Cédric Biscans, Béatrice
A multi-analytical methodology is implemented to characterize several sieving fractions of industrial samples of Black Mass (BM) powders originating from the thermo-mechanical treatment of cylindrical and prismatic-type spent nickel metal-hydride (Ni-MH) batteries. Elemental analyses of 17 elements (including C and O) indicate that the elemental co...
Pinck, Stéphane Ostormujof, Lucila Martínez Teychené, Sébastien Erable, Benjamin
It is the ambition of many researchers to finally be able to close in on the fundamental, coupled phenomena that occur during the formation and expression of electrocatalytic activity in electroactive biofilms. It is because of this desire to understand that bioelectrochemical systems (BESs) have been miniaturized into microBES by taking advantage ...
Villarreal Soto, Silvia Alejandra Bouajila, Jalloul Pace, Mauro Leech, John Cotter, Paul D. Souchard, Jean-Pierre Taillander, Patricia Beaufort, Sandra
Kombucha is a fermented tea. Here we investigate the fermentation kinetics, metabolite production, microbiome and potential health promoting properties of three different kombucha consortia. Shotgun metagenomic sequencing revealed several dominant bacterial genera such as Komagataeibacter, Gluconacetobacter and Gluconobacter. Brettanomyces and Schi...
Bacchin, Patrice Snisarenko, Dmytro Stamatialis, Dimitrios Aimar, Pierre Causserand, Christel
Membrane fouling by proteins is an important problem in hemodialysis or hemofiltration (artificial kidney). The mechanisms leading to fouling are still not fully understood and then predictable. In this paper we describe a microfluidic chip fitted with a filtration membrane which allows the real time in situ fluorescent analysis of labelled protein...
Chhim, Norinda Haddad, Elsi Neveux, Thibaut Bouteleux, Céline Teychené, Sébastien Biscans, Béatrice
Cooling circuits in many industrial sectors are faced with daily issues of scaling. One preventive treatment consists in injecting a polymer additive in the circuit to inhibit precipitation of calcium carbonate. Among the used additives, very few are “green” and the efficiency of new candidates are difficult to test directly in industrial condition...
Zhu, Yin Galier, Sylvain Roux-de Balmann, Hélène
Nanofiltration can be considered for the purification of valuable products obtained by fermentation, like organic acids. In this work, nanofiltration experiments are carried out with synthetic solutions of different compositions containing acetate (Ac), propionate (Pr), and butyrate (Bu), as well as inorganic salts (NaCl). Although the retention of...
Julcour-Lebigue, Carine Cassayre, Laurent Benhamed, Imane Diouani, Jaouher Bourgeois, Florent
This work is part of the ongoing development of the attrition-leaching carbonation process, a single-step aqueous carbonation technology that integrates a stirred bead mill. The principle of the attrition-leaching carbonation process is to continuously refresh the surfaces of reactive particles so that leaching can proceed unimpeded, yielding enhan...