Search Results - "Valange, S"

Recent developments in acid and base-catalyzed etherification of glycerol to polyglycerols by Sivaiah, M.V., Robles-Manuel, S., Valange, S., Barrault, J.

“…The catalyzed selective etherification of biosourced glycerol into short-chain oligomers is economically attractive and subject to increasing evolution as a…”
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Nickel based catalysts derived from hydrothermally synthesized 1:1 and 2:1 phyllosilicates as precursors for carbon dioxide reforming of methane by Sivaiah, M.V., Petit, S., Beaufort, M.F., Eyidi, D., Barrault, J., Batiot-Dupeyrat, C., Valange, S.

“…Either starting from hydrothermally synthesized 1:1 or 2:1 Ni-containing phyllosilicates (PS), one can define the reduction parameters in order to generate…”
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CO2 reforming of CH4 over Ni-containing phyllosilicates as catalyst precursors by Sivaiah, M.V., Petit, S., Barrault, J., Batiot-Dupeyrat, C., Valange, S.

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Properties of iron-based mesoporous silica for the CWPO of phenol: A comparison between impregnation and co-condensation routes by Xiang, L., Royer, S., Zhang, H., Tatibouët, J.-M., Barrault, J., Valange, S.

“…Iron-based mesoporous silica materials were prepared according to different impregnation and co-condensation procedures. Several complementary techniques,…”
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Lanthanum oxides for the selective synthesis of phytosterol esters: Correlation between catalytic and acid–base properties by Valange, S., Beauchaud, A., Barrault, J., Gabelica, Z., Daturi, M., Can, F.

“…The selective synthesis of phytosterol esters from natural sterols and methyl esters was investigated on new grounds by a chemical process using basic solids…”
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Evaluation of heterogeneous photo-Fenton oxidation of Orange II using response surface methodology by Gong, Y H, Zhang, H, Li, Y L, Xiang, L J, Royer, S, Valange, S, Barrault, J

“…A mesoporous SBA-15 doped iron oxide (Fe2O3/SBA-15) was synthesized by co-condensation, characterized and used as heterogeneous catalysts for the photo-Fenton…”
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Nanoparticles of Fe2O3 inserted in SBA-15 silica at micropore mouth level: An experimental evidence of the confinement effect by Valange, S., Palacio, R., Charmot, A., Barrault, J., Louati, A., Gabelica, Z.

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Influence of Aging, Thermal, Hydrothermal, and Mechanical Treatments on the Porosity of MCM-41 Mesoporous Silica by Broyer, M, Valange, S, Bellat, J. P, Bertrand, O, Weber, G, Gabelica, Z

“…A mesoporous siliceous material of MCM-41 type was characterized by nitrogen adsorption, X-ray diffraction, and Fourier transform infrared spectroscopy. Its…”
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Synthesis strategies leading to surfactant-assisted aluminas with controlled mesoporosity in aqueous media by Valange, S., Guth, J.-L., Kolenda, F., Lacombe, S., Gabelica, Z.

“…This paper reports a variety of synthesis pathways leading to thermally stable mesoporous aluminum oxide phases, based on cooperative self-assembly of…”
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Thermal degradation of iron chelate complexes adsorbed on mesoporous silica and alumina by Gabelica, Z., Charmot, A., Vataj, R., Soulimane, R., Barrault, J., Valange, S.

“…Nanometric Fe 2 O 3 particles could be inserted inside the internal pore volume of SBA-15 mesoporous silica and mesoporous alumina supports, when Fe(III)…”
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Synthesis of MFI metallosilicate zeolites using metallic amino complexes as mineralizing agents: an overview by Gabelica, Z, Valange, S

“…The present overview, essentially dealing with the authors' recent laboratory work, consists of a critical evaluation of a series of new synthesis pathways…”
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Synthesis of nanostructured catalysts by laser pyrolysis by Maskrot, H., Leconte, Y., Herlin-Boime, N., Reynaud, C., Guelou, E., Pinard, L., Valange, S., Barrault, J., Gervais, M.

“…Laser pyrolysis is a promising and versatile method allowing the synthesis of various nanoparticles, with well defined chemical composition, size and…”
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Binary Cu–Al mesophases precursors to uniformly sized copper particles highly dispersed on mesoporous alumina by Valange, S., Barrault, J., Derouault, A., Gabelica, Z.

“…A series of binary Cu–Al mesoporous precursors have been prepared by direct synthesis using “catanionic” (mixed cationic and anionic) surfactants. The…”
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Synthesis of copper bearing MFI zeolites and their activity in wet peroxide oxidation of phenol by VALANGE, S, GABELICA, Z, ABDELLAOUI, M, CLACENS, J. M, BARRAULT, J

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Stability against color fading of azo dyes encapsulated in Ca-aluminosilicate mesoporous substrates by Gabelica, Z., Valange, S., Shibata, M., Hotta, H., Suzuki, T.

“…Light-fastness properties of composites involving mesoporous calcium-modified aluminosilicate substrates (MCM-41 structure) and dye (Lithol Rubine B) were…”
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On the stability of MCM-41 after ion-exchange and impregnation with cesium species in basic media by Noda Pérez, C, Moreno, E, Henriques, C.A, Valange, S, Gabelica, Z, Monteiro, J.L.F

“…The stability of MCM-41 after ion exchange and impregnation with cesium species and calcination was investigated. A pure silica and two Al-containing samples…”
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Use of short chain alkylamines as complexing-mobilizing agents: An alternative to the “fluoride route” for the synthesis of zeolite metallosilicate catalysts by Gabelica, Z., Valange, S.

“…A wide series of zeolite metallosilicates was successfully synthesized using a series of short alkyl chain amines as new potential mineralizing agents. In the…”
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LaFeO3 Perovskite as New and Performant Catalyst for the Wet Peroxide Oxidation of Organic Pollutants in Ambient Conditions by Faye, J., Guélou, E., Barrault, J., Tatibouët, J. M., Valange, S.

“…The purpose of the present study was to evaluate the ability of LaFeO 3 perovskites prepared using the “self-combustion method” to behave as efficient and…”
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CO 2 reforming of CH 4 over Ni-containing phyllosilicates as catalyst precursors by Sivaiah, M.V., Petit, S., Barrault, J., Batiot-Dupeyrat, C., Valange, S.

“…CO 2 reforming of CH 4 to synthesis gas was investigated on new grounds using Ni-containing phyllosilicates (PS) as catalyst precursors. Ni-containing 1:1 PS…”
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Evaluation of carbon cryogels used as cathodes for non-flowing zinc–bromine storage cells by Aymé-Perrot, David, Walter, Serge, Gabelica, Zelimir, Valange, Sabine

“…Monolithic megaloporous carbon cryogels were examined for their potential applications as cathodic electrodes in secondary zinc–bromine cells. This work…”
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