Laboratoire de réactivité de surface

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  • Article dans une revue

Methanol oxidation on VSiBEA zeolites: Influence of V content on the catalytic properties

Marciej Tredja, Maria Ziolek, Yannick Millot, Karolina Chalupka, Michel Che, Stanislaw Dziwag

This study deals with the influence of V content on the catalytic properties of VxSiBEA zeolites in the oxidation of methanol. The samples are prepared following a postsynthesis method reported earlier (S. Dzwigaj, M.J. Peltre, P. Massiani, A. Davidson, M. Che, T. Sen, S. Sivasanker, Chem. Commun…

Journal of Catalysis, 2011, 281 (1), pp.169-176. ⟨10.1016/j.jcat.2011.04.013⟩. ⟨hal-00663368⟩

  • Article dans une revue

Carbonates thermal decomposition kinetics and their implications in using Rock-Eval ® analysis for carbonates identification and quantification

François Baudin, Nicolas Bouton, Adrien Wattripont, Xavier Carrier

In 2014, Pillot et al. [Identification and quantification of carbonate species using Rock-Eval pyrolysis, Oil Gas Sci. Technol. – Rev. IFP 69, 341–349. https://doi.org/10.2516/ogst/2012036] proposed to use the Rock- Eval® method as a reliable tool to identify and quantify carbonates in solid…

Science and Technology for Energy Transition, 2023, ⟨10.2516/ogst/2012036]⟩. ⟨hal-04390156⟩

  • Article dans une revue

Cellulose fibers modification through metal-free click chemistry for the elaboration of versatile functional surfaces

Alex Meye Biyogo, Louise Hespel, Vincent Humblot, Laurent Lebrun, François Estour

In the present work, a novel and versatile way was developed to functionalize cellulose fibers from wipes under heterogeneous conditions. The technic was based on metal-free click chemistry to avoid the persistence of any metal traces on cellulose. First, cellulose fibers were covalently pre-…

European Polymer Journal, 2020, 135, pp.109866. ⟨10.1016/j.eurpolymj.2020.109866⟩. ⟨hal-02907151⟩

  • Article dans une revue

New ammonium surfactant-stabilized rhodium(0) colloidal suspensions: influence of novel counter-anions on physico-chemical and catalytic properties.

Elodie Bile Guyonnet, Rita Sassine, Audrey Denicourt-Nowicki, Franck Launay, Alain Roucoux

Novel anionic species, such as hydrogen carbonate (HCO(3)(−)), fluoride (F(−)), triflate (CF(3)SO(3)(−)), tetrafluoroborate (BF(4)(−)) and chloride (Cl(−)) were investigated as new partners of water soluble N,N-dimethyl-N-cetyl-N-(2-hydroxyethyl) ammonium salts, used as a protective agent of…

Dalton Transactions, 2011, 40 (24), pp.6524-31. ⟨10.1039/C0DT01763A⟩. ⟨hal-00668358⟩

  • Article dans une revue

ADSORPTION ON STAINLESS STEEL SURFACES OF BIOSURFACTANTS PRODUCED BY GRAM-NEGATIVE AND GRAM-POSITIVE BACTERIA : CONSEQUENCE ON THE BIOADHESIVE BEHAVIOR OF PATHOGENIC STRAINS.

Thierry Meylheuc, Christophe Méthivier, Margareth Renault, Jean-Marie Herry, Claire-Marie Pradier, Marie-Noëlle Bellon-Fontaine

The ability of adsorbed biosurfactants (Pf and Lb) obtained from gram negative bacterium (Pseudomonas fluorescens) or gram positive bacterium (Lactobacillus helveticus) to inhibit adhesion of four listerial strains to stainless steel was investigated. These metallic surfaces were characterized…

Colloids and Surfaces B: Biointerfaces, 2006, 52 (2), pp.146-155. ⟨10.1016/j.colsurfb.2006.04.016⟩. ⟨hal-00111667⟩

  • Article dans une revue

Comparison of molybdenum carbide and tungsten carbide for the hydrodesulfurization of dibenzothiophene

Agnieszka Szymanska-Kolasa, Marek Lewandowski, Celine Sayag, G. Djéga-Mariadassou

The molybdenum and tungsten carbides (Mo2C and W2C) were synthesized, characterized and tested in hydrodesulfurization (HDS) of dibenzothiophene (DBT). The phase purity of these catalysts was established by X-ray diffraction (XRD), and the surface properties were determined by N2 BET specific…

Catalysis Today, 2006, 119, pp.7-12. ⟨10.1016/j.cattod.2006.08.021⟩. ⟨hal-00128084⟩

  • Article dans une revue

Effect of water on cobalt speciation during solid-state synthesis of Co2+/ZSM5 catalysts: quantitative study by TPR and XAS

Eric Marceau, Michel Che, Françoise Villain, Younès Ben Taarit

The effect of water on cobalt speciation in the synthesis of Co2+/ZSM5 catalysts is quantitatively studied by the combined use of macroscopic and local characterization techniques, TPR and X-ray absorption spectroscopies, respectively. The addition of a small quantity of water to cobalt acetate and…

Microporous and Mesoporous Materials, 2006, 93, pp.62-70. ⟨10.1016/j.micromeso.2006.02.004⟩. ⟨hal-00109394⟩

  • Article dans une revue

Transformations of γ-alumina in aqueous suspensions. 1. Alumina chemical weathering studied as a function of pH

Xavier Carrier, Eric Marceau, Jean-François Lambert, Michel Che

Hydration of γ-Al2O3 is often reported to occur via the superficial transformation of the alumina surface into alumina hydroxide-like layers. However, very little evidence has been given so far to support this hypothesis. It is demonstrated here by X-ray diffraction, TEM, electron diffraction and…

Journal of Colloid and Interface Science, 2007, 308, pp.429-437. ⟨10.1016/j.jcis.2006.12.074⟩. ⟨hal-00133775⟩

  • Article dans une revue

Surface response methodology for the study of supported membrane formation.

C. Rossi, Elisabeth Briand, P. Parot, Michaël Odorico, Joël Chopineau

We report on the investigations of the formation of the tethered lipid bilayer by vesicle deposition on amine-functionalized surfaces. The tethered bilayer was created by the deposition of egg-PC vesicles containing 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-poly-(ethyleneglycol)-N-…

Journal of Physical Chemistry B, 2007, 111, pp.7567-7576. ⟨10.1021/jp0686792⟩. ⟨hal-00172758⟩

  • Article dans une revue

On the kinetics of CO oxidation by O2 over RhI(CO)2 catalytic species anchored to a zeolitic support

Céline Fontaine-Gautrelet, Cyril Thomas, Jean-Marc Krafft, Gérald Djéga-Mariadassou

The reactivity of RhI(CO)2 towards CO oxidation was studied on a model Rh(0.7 wt%)/HY material. The kinetic results show that RhI(CO)2 exhibit a fairly low activity. It is therefore suggested that the catalytic species responsible for the enhanced activity of Rh/Ce0.68Zr0.32O2 [Manuel et al., J.…

Topics in Catalysis, 2007, 42-43, pp.357-361. ⟨10.1007/s11244-007-0205-z⟩. ⟨hal-00157007⟩