Search Results - "DE LOS REYES, J. A"

Removal of refractory S-containing compounds from liquid fuels over P-loaded NiMoW/SBA-16 sulfide catalysts by Guzmán, M.A., Huirache-Acuña, R., Loricera, C.V., Hernández, J.R., Díaz de León, J.N., de los Reyes, J.A., Pawelec, B.

“…► SBA-16 substrate modified with 1wt.% of P is an efficient support for NiMoW HDS catalysts. ► The NiMoW/SBA-16 sulfide catalyst with 1wt.% of P is more active…”
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Effect of synthesis parameters on sol-gel silica modified by zirconia by AVENDANO, R. G, DE LOS REYES, J. A, MONTOYA, J. A, VIVEROS, T

“…An experimental strategy was developed to obtain mesoporous SiO2-ZrO2 mixed oxides via a sol–gel process, which involved the use of tetraethylorthosilicate…”
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Influence of reduction temperature and metal loading on the performance of molybdenum phosphide catalysts for dibenzothiophene hydrodesulfurization by Montesinos-Castellanos, A., Zepeda, T.A., Pawelec, B., Lima, E., Fierro, J.L.G., Olivas, A., de los Reyes H., J.A.

“…Two series of alumina-supported molybdenum phosphide (MoP) catalysts with low and high metal loadings were prepared by temperature-programmed reduction of the…”
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Effect of gallium loading on the hydrodesulfurization activity of unsupported Ga2S3/WS2 catalysts by Zepeda, T.A., Pawelec, B., Díaz de León, J.N., de los Reyes, J.A., Olivas, A.

“…The gallium addition has a strong effect on the morphology of the tungsten sulfide phase by modifying the coordinately unsaturated sites (CUS) of the WS2 phase…”
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Anisole Hydrodeoxygenation: A Comparative Study of Ni/TiO2-ZrO2 and Commercial TiO2 Supported Ni and NiRu Catalysts by Rios-Escobedo, R., Ortiz-Santos, E., Colín-Luna, J. A., Díaz de León, J. N., del Angel, P., Escobar, J., de los Reyes, J. A.

“…This work aimed to determine the carrier effect on anisole hydrodeoxygenation (HDO, batch reactor at 573 K, and 4 MPa of H 2 ) on 5 wt% Ni catalysts on TiO 2…”
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Fractal Correlation Analysis of X‑ray Diffraction Patterns with Broad Background by Santolalla, C, Chavez-Esquivel, G, Reyes-Heredia, J. A. de los, Alvarez-Ramirez, J

“…X-ray diffraction (XRD) patterns with broad background are commonly found in powders where crystallization is incomplete or mixed with amorphous material. This…”
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Solvent Effect in Homogeneous and Heterogeneous Reactions To Remove Dibenzothiophene by an Oxidation−Extraction Scheme by Ramírez-Verduzco, L. F, De los Reyes, J. A, Torres-García, E

“…In this work a study of dibenzothiophene removal by an oxidation−extraction scheme is presented. Experiments were carried out to observe the role that the…”
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Effect of alumina–titania supports on the activity of Pd, Pt and bimetallic Pd–Pt catalysts for hydrorefining applications by Galindo, I.R., de los Reyes, J.A.

“…A series of Pd, Pt and bimetallic Pd:Pt (4:1) based catalysts were supported on various alumina–titania mixed oxides. Their catalytic properties were probed on…”
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RuS2-modified NiW/Al2O3 catalysts for refractory 4,6-dimethyl-dibenzothiophene hydrodesulfurization by González-Ildelfonso, M., Escobar, J., Gordillo-Cruz, E., del Ángel, P., Suárez-Toriello, V.A., De los Reyes, J.A.

“…Al2O3-supported noble metal (NM)-modified hydrodesulfurization (HDS) catalysts (W 15.8 wt% and Ni 3.5 wt%) were applied in refractory…”
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Active Ni and Fe species on catalysts Ni/Al2O3 and NiFe/Al2O3 for the oxidative dehydrogenation (ODH) of ethane to ethylene assisted by CO2 by Cancino-Trejo, F., Santes, Victor, Cardenas, Juan Alberto Alcantara, Gallardo, Marisol, Maldonado, Yadira G., Miranda A, Lopéz., Valdes, Omar, de los Reyes, J.A., Santolalla-Vargas, C.E.

“…•The iron addition decreased the crystal size of the NiO.•Spinel-type structures such as NiAl2O4, NiFe2O4, and FeAl2O4 are active species in the ODH of…”
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Support effects of NiW hydrodesulfurization catalysts from experiments and DFT calculations by Díaz de León, J.N., Antunes-García, J., Alonso-Nuñez, G., Zepeda, T.A., Galvan, D.H., de los Reyes, J.A., Fuentes, S.

“…[Display omitted] •W dispersion was measured by UV–vis DRS characterization.•Activity correlates with WOxSy phase formed under reaction conditions.•Promoted…”
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Compensation in the isopropyl alcohol dehydration over sol–gel Al2O3–TiO2 oxides: Effect of calcining temperature by Escobar, J., De Los Reyes, J.A., Viveros, T., Valle-Orta, M., Barrera, M.C.

“…[Display omitted] •Sol–gel alumina, titania and mixed oxides (Al/Ti=2 and 25) tested in isopropanol dehydration.•Alumina and titania had the highest specific…”
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Support effects of NiW catalysts for highly selective sulfur removal from light hydrocarbons by Díaz de León, J.N., Zavala-Sánchez, L.A., Suárez-Toriello, V.A., Alonso-Núñez, G., Zepeda, T.A., Yocupicio, R.I., de los Reyes, J.A., Fuentes, S.

“…[Display omitted] •The support can induce morphological changes in the NiWS active phase.•The carriers play a paramount role in the final activity and…”
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Self-inhibition observed during indole and o-ethylaniline hydrogenation in the presence of dibenzothiophene by Laredo, G.C., Altamirano, E., De los Reyes, J.A.

“…An unexpected self-inhibiting effect of indole and o-ethylaniline in their hydrogenation process during dibenzothiophene hydrodesulphurization at conditions…”
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Hydrodesulfurization of sulfur refractory compounds: Effect of gallium as an additive in NiWS/γ-Al2O3 catalysts by Díaz de León, J.N., Picquart, M., Massin, L., Vrinat, M., de los Reyes, J.A.

“…[Display omitted] ► The presence of Ga as an additive on NiW/-γ-Al2O3 catalysts was investigated. ► Gallium induced significant increases on HDS activities for…”
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Characterization of structural and optical properties of the mesoporous Ce-MCM-41 hybrid materials by González Vargas, O. A., De los Reyes Heredia, J. A., Suárez-Toriello, V. A., Hurtado Rangel, R., Wang, J. A., Chen, L. F.

“…Ce-modified mesostructured MCM-41-type hybrid materials with different Si/Ce molar ratios (Si/Ce = 10, 30 and 50) were synthesized by the surfactant-assisted…”
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Kinetics of HDS and of the inhibitory effect of quinoline on HDS of 4,6-DMDBT over a Ni–Mo–P/Al2O3 catalyst: Part I by García-Martínez, J.C., Castillo-Araiza, C.O., De los Reyes Heredia, J.A., Trejo, E., Montesinos, A.

“…► The effect of Q and its reaction byproducts on the HDS of 4,6-DMDBT was studied. ► HDS and HDN reactions were studied under industrial operating conditions…”
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Enhanced catalytic performance of Ce-MCM-41-supported Rh for CO oxidation by González Vargas, O. A., de Los Reyes Heredia, J. A., Suarez-Toriello, V. A., Anderson, Sean M., Chen, L. F., Wang, J. A.

“…1wt%Rh/Ce-MCM-41 catalysts were prepared by the incipient wet impregnation method using mesoporous Ce-MCM-41 materials as supports where the Si/Ce molar ratios…”
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Effect of gallium as an additive in hydrodesulfurization WS2/γ-Al2O3 catalysts by DIAZ DE LEON, J. N, PICQUART, M, VILLARROEL, M, VRINAT, M, LLAMBIAS, F. J. Gil, MURRIETA, F, DE LOS REYES, J. A

“…The effect of gallium in W/Ga(x)-gamma-Al2O3 catalysts was investigated in the hydrodesulfurization of dibenzothiophene. The gamma-Al2O3 carrier was modified…”
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Effect of chelating ligands on Ni-Mo impregnation over wide-pore ZrO2-TiO2 by ESCOBAR, J, BARRERA, M. C, DE LOS REYES, J. A, TOLEDO, J. A, SANTES, V, COLIN, J. A

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