Search Results - "Esneyder Puello"

Effect of Residual Cuts on Deactivation of Hierarchical Y Zeolite-Based Catalysts during Co-Processing of Vacuum Gas Oil (VGO) with Atmospheric Residue (ATR) by Fals, Jayson, Puello-Polo, Esneyder, Márquez, Edgar

“…The influence of residual cuts on the deactivation of hierarchical Y zeolite-based catalysts during the co-processing of vacuum gas oil (VGO) with atmospheric…”
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Photocatalytic Degradation of Methylene Blue under Visible Light Using TiO2 Thin Films Impregnated with Porphyrin and Anderson-Type Polyoxometalates (Cu and Zn) by Alexander Sanguino, Carlos Diaz-Uribe, Freider Duran, William Vallejo, Leidy Guzman, Daniela Ruiz, Esneyder Puello, Cesar Quiñones, Eduardo Schott, Ximena Zarate

“…In this work, tetra(4-carboxyphenyl)porphyrin (TCPP) and two Anderson-type polyoxomolybdates (containing Cu and Zn, respectively; CuPOM, ZnPOM) were…”
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Experimental–Density Functional Theory (DFT) Study of the Inhibitory Effect of Furan Residues in the Ziegler–Natta Catalyst during Polypropylene Synthesis by Hernández-Fernández, Joaquín, Puello-Polo, Esneyder, Marquez, Edgar

“…In this experimental–theoretical study, the effect of furan on Ziegler–Natta catalyst productivity, melt flow index (MFI), and mechanical properties of…”
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Identifying, Quantifying, and Recovering a Sorbitol-Type Petrochemical Additive in Industrial Wastewater and Its Subsequent Application in a Polymeric Matrix as a Nucleating Agent by Hernández-Fernández, Joaquín, Puello-Polo, Esneyder, Marquez, Edgar

“…Currently, polypropylene (PP) is highlighted using sorbitol-based clarifying agents since these agents are high quality, low cost, and work as a barrier…”
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Classical QSAR and Docking Simulation of 4-Pyridone Derivatives for Their Antimalarial Activity by Flores-Sumoza, Máryury, Alcázar, Jackson J, Márquez, Edgar, Mora, José R, Lezama, Jesús, Puello, Esneyder

“…In this work, the minimum energy structures of 22 4-pyridone derivatives have been optimized at Density Functional Theory level, and several quantum molecular,…”
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Hierarchical Y Zeolite-Based Catalysts for VGO Cracking: Impact of Carbonaceous Species on Catalyst Acidity and Specific Surface Area by Fals, Jayson, Garcia-Valencia, Juan Francisco, Puello-Polo, Esneyder, Tuler, Fernando, Márquez, Edgar

“…The performance of catalysts prepared from hierarchical Y zeolites has been studied during the conversion of vacuum gas oil (VGO) into higher-value products…”
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Characterization of the Morphological and Chemical Profile of Different Families of Microplastics in Samples of Breathable Air by Hernández-Fernández, Joaquín, Puello-Polo, Esneyder, Castro-Suarez, John R

“…Microplastic (MP) contamination has become a problem of great interest to the community at large. The detection of these particles in different ecosystems and…”
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Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene by Hernández-Fernández, Joaquín, Guerra, Yoleima, Puello-Polo, Esneyder, Marquez, Edgar

“…This article studies the effects of arsine on the synthesis and thermal degradation of 4 samples of virgin polypropylene (PP-virgin) and proposes reaction…”
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Study of the Chemical Activities of Carbon Monoxide, Carbon Dioxide, and Oxygen Traces as Critical Inhibitors of Polypropylene Synthesis by Hernández-Fernández, Joaquín, Puello-Polo, Esneyder, Marquez, Edgar

“…This study outlines the investigation into how the compounds CO , CO, and O interact with the active center of titanium (Ti) on the surface of MgCl and how…”
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Furan as Impurity in Green Ethylene and Its Effects on the Productivity of Random Ethylene-Propylene Copolymer Synthesis and Its Thermal and Mechanical Properties by Hernández-Fernández, Joaquín, Puello-Polo, Esneyder, Márquez, Edgar

“…The presence of impurities such as H S, thiols, ketones, and permanent gases in propylene of fossil origin and their use in the polypropylene production…”
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Effect of Addition of Polyurea as an Aggregate in Mortars: Analysis of Microstructure and Strength by Chacon, Hernan, Cano, Heidis, Fernández, Joaquin Hernández, Guerra, Yoleima, Puello-Polo, Esneyder, Ríos-Rojas, John Fredy, Ruiz, Yolima

“…The addition of polymers in construction is a new tendency and an important step toward the production of structures with better functional properties. This…”
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Al2O3-MgO Supported Ni, Mo, and NiMo Mixed Phosphidic-Sulphidic Phase for Hydrotreating of Stearic and Oleic Acids Into Green Diesel by Puello-Polo, Esneyder, Arias, Dana, Márquez, Edgar

“…GRAPHICAL ABSTRACT The sulfur and metal-type content in MoP-S/ γ -Al 2 O 3 -MgO, NiMoP-S/ γ -Al 2 O 3 -MgO, and NiP-S/ γ -Al 2 O 3 -MgO influence the reaction…”
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Effect of the Gallium and Vanadium on the Dibenzothiophene Hydrodesulfurization and Naphthalene Hydrogenation Activities Using Sulfided NiMo-V2O5/Al2O3-Ga2O3 by Esneyder Puello-Polo, Yina Pájaro, Edgar Márquez

“…The effect of Ga and V as support-modifier and promoter of NiMoV/Al2O3-Ga2O3 catalyst on hydrogenation (HYD) and hydrodesulfurization (HDS) activities was…”
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Titanium-modified MCM-41 molecular sieves as efficient supports to increase the hydrogenation abilities of NiMoS and CoMoS catalysts by Méndez, Franklin J., Vargas, Roylena, Blanco, Joel, Rojas-Challa, Yahsé, Bastardo-González, Ernesto, García-Macedo, Jorge A., Puello-Polo, Esneyder, Brito, Joaquín L.

“…[Display omitted] •Ti modified samples induced better-dispersed catalysts.•HDS rates improved with Ti incorporation compared with the analog Ti free…”
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A comprehensive study of product distributions and coke deposition during catalytic cracking of vacuum gas oil over hierarchical zeolites by Fals, Jayson, Toloza, Carlos A.T., Puello-Polo, Esneyder, Márquez, Edgar, Méndez, Franklin J.

“…In this study, zeolites (Z) were used as catalysts in the cracking of a Colombian vacuum gas oil (VGO), with a focus on product distribution and coke…”
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Efecto de la carburación con CH4/H2 de (NH4)4[NiMo3W3O24H6]•5H2O y (NH4)4[NiMo6O24H6]•5H2O en la hidrodesulfuración de tiofeno by Brito, Joaquín, Parra, Ronald, Polo, Esneyder Puello

“…In this work-was studied the effect of the carburization with CH4(20%Vol.)/H2 of (NH4)4[NiMo6-xWxO-24H6]•5H2O Anderson type polyoxometalates with (AR) atomic…”
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NATURE OF THE ACTIVE PHASE IN HYDRODESULFURIZATION: MOLYBDENUM CARBIDE SUPPORTED ON ACTIVATED CARBON by PUELLO-POLO, Esneyder, AYALA G, Mónica, BRITO, Joaquín L

“…This paper studies the effect of the presulfiding agent and the synthesis method on the catalytic activity of thiophene hydrodesulfurization (HDS), using…”
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Effect of Gallium and Vanadium in NiMoV/Al2O3-Ga2O3 Catalysts on Indole Hydrodenitrogenation by Puello-Polo, Esneyder, Reales, Yelitce P., Marquez, Edgar, Larruded, Dunieskys G., Arzuza, Luis C. Costa, Toloza, Carlos A. T.

“…The effect of Ga as support modifier and V as second promoter on the NiMoV/Al 2 O 3 -Ga 2 O 3 catalyst varying the synthesis method (SG: sol–gel synthesis vs…”
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An Efficient K2CO3-Promoted Synthesis of 1-Bromo-2-aryloxyethane Derivatives and Evaluation of Larval Mortality against Aedes aegypti by Romanelli, Gustavo P., Pérez, Astrid, Puello-Polo, Esneyder, Sathicq, Ángel, Pájaro, Yina, Trilleras, Jorge

“…The influences of reaction parameters on the etherification of phenols to obtain 1-bromo-2-aryloxyethane derivatives were evaluated. The compounds were…”
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Removal and photocatalytic degradation of methylene blue on ZrO2 thin films modified with Anderson-Polioxometalates (Cr3+, Co3+, Cu2+): An experimental and theoretical study by Diaz-Uribe, Carlos, Florez, Jiress, Vallejo, William, Duran, Freider, Puello, Esneyder, Roa, Vanesa, Schott, Eduardo, Zarate, Ximena

“…[Display omitted] •We modified the ZrO2 thin films with three different POMs and we carried out experimental and DFT studies of adsorption of Methylene Blue on…”
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