Search Results - "Lara, V.H"

Influence of manganese ions on the anatase-rutile phase transition of TiO2 prepared by the sol-gel process by ARROYO, R, CORDOBA, G, PADILLA, J, LARA, V. H

“…The anatase-rutile phase transformation of TiO2 containing various amounts of Mn2+ ions was studied by XRD, electron spin resonance spectroscopy, and surface…”
Get full text

Synthesis and characterization of amorphous aluminosilicates prepared by sol–gel to encapsulate organic dyes by Martínez-Zapata, O., Méndez-Vivar, J., Bosch, P., Lara, V.H.

“…We synthesized via the sol–gel process three amorphous aluminosilicates having the stoichiometry of zeolite types A, X, and Y, respectively. The…”
Get full text

Crystalline structure, surface chemistry and catalytic properties of Fe3+ doped TiO2 sol–gel catalysts for photooxidation of 2,4–dichlorophenoxyacetic acid by Arellano, U., Wang, J.A., Asomoza, M., Chen, L.F., González, J., Manzo, A., Solís, S., Lara, V.H.

“…Highly active Fe3+ doped TiO2 (xFe–TiO2 where x = 3 or 5 wt%) photocatalysts were synthesized by the sol–gel method and their structures were refined with the…”
Get full text

Effect of lime concentration on gelatinized maize starch dispersions properties by Lobato-Calleros, C., Hernandez-Jaimes, C., Chavez-Esquivel, G., Meraz, M., Sosa, E., Lara, V.H., Alvarez-Ramirez, J., Vernon-Carter, E.J.

“…•The effect of lime concentration on gelatinized maize starch gels was studied.•XRD, FTIR showed that crystallinity decreased at lime concentrations <0.20%…”
Get full text

Structural and morphological evolutions of spent FCC catalyst pellets toward NaA zeolite by Gonzalez, M. R., Pereyra, A. M., Bosch, P., Fetter, G., Lara, V. H., Basaldella, E. I.

“…Spherically shaped pellets, usually discarded after use in fluidized-bed catalytic cracking units (FCCs), were converted to zeolite A-surface-enriched pellets…”
Get full text

Comparative study of natural and synthetic clinoptilolites containing silver in different states by Concepción-Rosabal, B., Rodríguez-Fuentes, G., Bogdanchikova, N., Bosch, P., Avalos, M., Lara, V.H.

“…Clinoptilolite is a widely used natural zeolite due to its abundance in nature. The present work discusses the characteristics of silver modified…”
Get full text

Liquid phase alkylation of benzene with dec-1-ene catalyzed on supported 12-tungstophosphoric acid by Hernández-Cortez, J.G., Martinez, L., Soto, L., López, A., Navarrete, J., Manríquez, Ma, Lara, V.H., López-Salinas, E.

“…The liquid phase alkylation of benzene with dec-1-ene was catalyzed by 12-tungstophosphoric acid (WP) supported on different solids (ZrO 2, SiO 2, activated…”
Get full text

Cobalt sorption properties of MgO prepared by solution combustion by Granados-Correa, F., Bonifacio-Martínez, J., Lara, V.H., Bosch, P., Bulbulian, S.

“…Water effect on the combustion preparation of MgO is presented. The obtained materials are characterized through their specific surface area, morphology,…”
Get full text

Nickel (II) sorption on porous ZnO prepared by solution combustion method by Alvarado-Ibarra, Y., Granados-Correa, F., Lara, V.H., Bosch, P., Bulbulian, S.

“…Water effect on the combustion preparation of ZnO is presented. The obtained materials were characterized through their specific surface area, morphology,…”
Get full text

Adsorption of Benzene, Toluene, and p-Xylene on Microporous SiO2 by Hernández, M. A, Velasco, J. A, Asomoza, M, Solís, S, Rojas, F, Lara, V. H

“…Adsorption isotherms of aromatic BTX (benzene, toluene, and p-xylene) hydrocarbons on pure and Ag-doped SiO2 microporous substrates synthesized by the sol−gel…”
Get full text

Trapping organic molecules in sol–gel aluminosilicate matrices by Martínez-Zapata, O., Méndez-Vivar, J., Bosch, P., Lara, V.H.

“…Inorganic materials may be tailored to obtain specific pore size distributions and surface structures. In this work we present the synthesis of faujasite type…”
Get full text

Long-term irradiation effects on gamma-irradiated Nylon 6,12 fibers by Menchaca-Campos, Carmina, Martínez-Barrera, Gonzalo, Resendiz, M.C., Lara, V.H., Brostow, Witold

“…Long-term effects on Nylon 6,12 crystalline fibers irradiated six years ago have been determined, including chemical structure and morphology, and their…”
Get full text

Adsorption of petroleum organic compounds on natural Wyoming montmorillonite by Cosultchi, A, Bosch, P, Lara, V.H

“…Adsorption of petroleum organic compounds on natural Wyoming montmorillonite clay is an irreversible process, as most of organic species still remain adsorbed…”
Get full text

Radial distribution function studies of Al 2O 3–La 2O 3 binary oxides prepared by sol–gel by Barrera, A., Viniegra, M., Lara, V.H., Bosch-Giral, P.

“…The structure of Al 2O 3– xLa 2O 3 ( x = 0, 2, 6, 15, 25, 50 wt%) binary oxides prepared via the sol–gel preparation method was studied by means of radial…”
Get full text

Effect of microwave irradiation time on the synthesis of zirconia-pillared clays by Fetter, G, Hernández, V, Rodrı́guez, V, Valenzuela, M.A, Lara, V.H, Bosch, P

“…In this work, we present the synthesis, at different zirconia/clay ratios, of zirconia-pillared montmorillonite in presence of microwave irradiation. The…”
Get full text

Synthesis and spectroscopic study of mixed metal clusters using methacrylate and acrylate ligands by Méndez-Vivar, J., Bosch, P., Lara, V.H.

“…Methacrylate and acrylate ligands derived from 3-(trimethoxysilyl) propil methacrylate (TMSPM), 2-hydroxy ethyl methacrylate (HEM) and acrylic acid (AA) were…”
Get full text

Pd/Al2O3-La2O3 catalysts prepared by sol–gel: characterization and catalytic activity in the NO reduction by H2 by Barrera, A, Viniegra, M, Bosch, P, Lara, V.H, Fuentes, S

“…The 0.3%Pd/Al2O3-La2O3 (0, 6 and 15wt.% La2O3) catalysts prepared by the sol–gel method were studied by N2 physisorption, X-ray diffraction (XRD), small angle…”
Get full text

Propiedades de adsorción en zeolitas con anillos de 8 miembros: I. microporosidad y superficie externa by Corona, O.L., Hernández, M.A., Hernandez, F., Rojas, F., Portillo, R., Lara, V.H., Carlos, F.M.

“…En este trabajo se reporta la síntesis de zeolita LTA y sus posteriores intercambios iónicos con distintas sales inorgánicas. De manera adicional se reportan…”
Get full text

Hysteresis in the melting kinetics of Bi nanoparticles by Haro-Poniatowski, E., Serna, R., Afonso, C.N., Jouanne, M., Morhange, J.F., Bosch, P., Lara, V.H.

“…Structural properties as a function of temperature of bismuth nanocrystals embedded in amorphous germanium thin films, synthesised by laser ablation are…”
Get full text

Contribution of organic and mineral compounds to the formation of solid deposits inside petroleum wells by Cosultchi, A., Garciafigueroa, E., Mar, B., Garcı́a-Bórquez, A., Lara, V.H., Bosch, P.

“…Deposit samples collected from three Mexican wells, their asphaltene and residue fractions as well as the sediment and asphaltene fractions separated from the…”
Get full text