• Article dans une revue

Influence of pretreatment and reaction conditions on the catalytic activity of HAlBEA and CoHAlBEA zeolites in vinyl chloride formation from 1,2-dichloroethane

Izabela Kamińska, Dmytro Lisovytskiy, Laetitia Valentin, Christophe Calers, Yannick Millot, Emil Kowalewski, Anna Śrębowata, Stanislaw Dzwigaj

HAlBEA and CoHAlBEA zeolite catalysts treated at 523 K or 873 K for 3 h in Ar, H2/Ar or air flows, respectively, were investigated in catalytic dehydrochlorination of 1,2-dichloroethane (DCE). The dehydrochlorination of DCE on these zeolite catalysts resulted in almost 100% selectivity to vinyl…

Microporous and Mesoporous Materials, 2018, 266, pp.32 - 42. ⟨10.1016/j.micromeso.2018.02.041⟩. ⟨hal-01744158⟩

• Article dans une revue

Unsupported shaped cobalt nanoparticles as efficient and recyclable catalysts for the solvent-free acceptorless dehydrogenation of alcohols

Arnaud Viola, Jennifer Péron, Kamila Kazmierczak, Marion Giraud, Carine Michel, Lorette Sicard, Noémie Perret, Patricia Beaunier, Mickaël Sicard, Michele Besson, Jean-Yves Piquemal

Oxidation of alcohols is a key-reaction for the valorization of biomass compounds, and green processes are preferred to avoid the use or production of toxic compounds. In this context, unsupported nanometer-sized catalysts have emerged as very promising materials for heterogeneous catalysis. In…

Catalysis Science & Technology, 2018, 8 (2), pp.562 - 572. ⟨10.1039/C7CY02089A⟩. ⟨hal-01744284⟩

• Article dans une revue

Contribution to the study of framework modification of SAPO-34 and SAPO-37 upon water adsorption by thermogravimetry

Marie-Hélène Simonot-Grange, Achim Waldeck, Denise Barthomeuf, Guy Weber

Thermochimica Acta, 1999, 329 (1), pp.77-82. ⟨10.1016/S0040-6031(99)00014-3⟩. ⟨hal-04233055⟩

• Article dans une revue

Metal–organic framework-based nanomaterials for photocatalytic hydrogen peroxide production

Xiaolang Chen, Yoshifumi Kondo, Yasutaka Kuwahara, Kohsuke Mori, Catherine Louis, Hiromi Yamashita

Metal–organic frameworks act as efficient photocatalysts for visible-light driven hydrogen peroxide production in a single-phase system and two-phase system.

Physical Chemistry Chemical Physics, 2020, 22 (26), pp.14404-14414. ⟨10.1039/D0CP01759K⟩. ⟨hal-03995336⟩

• Article dans une revue

Effect of Nontronite Smectite Clay on the Chemical Evolution of Several Organic Molecules under Simulated Martian Surface Ultraviolet Radiation Conditions

Olivier Poch, Maguy Jaber, Fabien Stalport, Sophie Nowak, Thomas Georgelin, Jean-François Lambert, Cyril Szopa, Patrice Coll

Most of the phyllosilicates detected at the surface of Mars today are probably remnants of ancient environments that sustained long-term bodies of liquid water at the surface or subsurface and were possibly favorable for the emergence of life. Consequently, phyllosilicates have become the main…

Astrobiology, 2015, 15 (3), pp.221-237. ⟨10.1089/ast.2014.1230⟩. ⟨hal-01136822⟩

• Communication dans un congrès

Impact of nontronite on the evolution of organic molecules at the surface of Mars

Patrice Coll, Olivier Poch, Maguy Jaber, Jean-François Lambert, Thomas Georgelin, Cyril Szopa, Fabien Stalport

Several evidences suggest that early Mars offered favorable conditions for long-term sustaining water. As a consequence, we can assume that in those days, endogenous chemical processes, or even primitive life, may have produced organic matter on Mars. Moreover, exogenous delivery from small bodies…

• Article dans une revue

Catalytic performances of platinum doped molybdenum carbide for simultaneous hydrodenitrogenation and hydrodesulfurization

Marek Lewandowski, Agnieszka Szymanska-Kolasa, Patrick da Costa, Celine Sayag

The hydrotreating activity of molybdenum carbide doped with platinum (0.3 wt.%) was studied and compared to that of a pure, non-modified Mo2C. 4,6-Dimethyldibenzothiophene (4,6-DMDBT, 300 ppm of S) and carbazole (100 ppm of N) were designated as model compounds and subjected to hydrodesufurization…

Catalysis Today, 2006, 119, pp.31-34. ⟨10.1016/j.cattod.2006.08.062⟩. ⟨hal-00128076⟩

• Article dans une revue

Active Site Design in a Core-Shell Nanostructured Catalyst for a One-Pot Oxidation Reaction

Shusuke Okada, Kohsuke Mori, Takashi Kamegawa, Michel Che, Hiromi Yamashita

Designing an active site: A new type of core-shell structured catalyst was prepared, with a uniform SiO2 core supporting Pd nanoparticles (NPs) covered with a Ti-containing mesoporous silica shell. Generated H2O2 on the inner Pd NP site could interact with the Ti oxide moieties within the mesopores…

Chemistry - A European Journal, 2011, 17 (33), pp.9047-9051. ⟨10.1002/chem.201101241⟩. ⟨hal-00663357⟩

• Article dans une revue

Toward redox framework single site zeolite catalysts

Stanislaw Dziwag, Michel Che

This paper concerns heterogeneous single site catalysts which are difficult to prepare because of speciation problems related to the two starting components, the solid and the metal precursor solution. A two-step post-synthesis method is used to prepare the V-SiBEA reference system, with vanadium…

Catalysis Today, 2011, 169, pp.232-241. ⟨10.1016/j.cattod.2011.01.035⟩. ⟨hal-00664504⟩

• Article dans une revue

Synthesis and grafting of a BTP derivative onto a quartz crystal microbalance for lanthanide detection

Dimitri Mercier, Nicolas Leconte, Christophe Methivier, Franck Suzenet, G?ld Guillaumet, Anne Wuillaume, Claire-Marie Pradier

The ability of bis-triazinylpyridine (BTP) molecules to complex lanthanides is well-known in solution and can be judiciously utilized to elaborate solid sensing surfaces. This was done by synthesizing a new BTP derivative and covalently anchoring it onto gold surfaces. The BTP grafting, its…

Physical Chemistry Chemical Physics, 2010, 12 (23), pp.6099-6106. ⟨10.1039/b921389a⟩. ⟨hal-00604780⟩