Search Results - "Marroquin, G"

Catalytic Aquathermolysis Used for Viscosity Reduction of Heavy Crude Oils: A Review by Maity, S. K, Ancheyta, J, Marroquín, G

“…The catalytic aquathermolysis becomes an important area for investigation to solve some of the problems during exploration of heavy crude oil. It has been…”
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Effect of Reactor Configuration on the Hydrotreating of Atmospheric Residue by Alonso, F, Ancheyta, J, Centeno, G, Marroquín, G, Rayo, P, Silva-Rodrigo, R

“…To study the effect of reactor configuration on hydrotreating, a series of experiments was carried out in a pilot plant equipped with two reactors in series…”
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Mycotoxins in a changing global environment – A review by Marroquín-Cardona, A.G., Johnson, N.M., Phillips, T.D., Hayes, A.W.

“…•Mycotoxins in food are unavoidable and global environmental conditions may increase mycotoxin presence in foods.•Infants and other susceptible populations…”
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Using TanDEM-X to measure pyroclastic flow source location, thickness and volume: Application to the 3rd June 2018 eruption of Fuego volcano, Guatemala by Albino, F., Biggs, J., Escobar-Wolf, R., Naismith, A., Watson, M., Phillips, J.C., Chigna Marroquin, G.A.

“…The estimation of the volume of volcanic flows during an ongoing eruption is challenging but this information is crucial for improving risk assessment and for…”
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Multiobjective optimization of injection molding using a calibrated predictor based on physical and simulated data by Villarreal‐Marroquín, María G., Chen, Po‐Hsu, Mulyana, Rachmat, Santner, Thomas J., Dean, Angela M., Castro, José M.

“…This paper presents a method for improving injection molding processes having competing performance measures using multiobjective optimization. The procedure…”
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Reducing deformation, stress, and tool wear during milling processes using simulation-based multiobjective optimization by Montalvo-Urquizo, J., Niebuhr, C., Schmidt, A., Villarreal-Marroquín, M. G.

“…This paper presents the optimization of a dry machining process where thermomechanical effects like shape deviations and a time-dependent domain are major…”
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Active deformation in the San Salvador extensional stepover, El Salvador from an analysis of the April–May 2017 earthquake sequence and GPS data by Legrand, D., Marroquín, G., DeMets, C., Mixco, L., García, A., Villalobos, M., Ferrés, D., Gutiérrez, E., Escobar, D., Torres, R., Hernández, D.

“…Modern and historic seismic observations indicate that earthquake swarms, often with similar characteristics, have occurred within a few tens of kilometers of…”
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The Effect of Solvent Washing on Asphaltenes and Their Characterization by Álvarez, E., Trejo, F., Marroquín, G., Ancheyta, J.

“…Asphaltenes from an atmospheric residue of heavy crude were precipitated with n-heptane. Part of the isolated asphaltenes was washed under Soxhlet reflux to…”
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The health enhancer yeast Saccharomyces cerevisiae in two types of commercial products for animal nutrition by Garcia‐Mazcorro, J.F., Rodriguez‐Herrera, M.V., Marroquin‐Cardona, A.G., Kawas, J.R.

“…The health enhancer yeast Saccharomyces cerevisiae (SC) is widely used in diets for different animals. Two main types of SC‐based products are commercially…”
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Extraction and Characterization of Asphaltenes from Different Crude Oils and Solvents by Ancheyta, J., Centeno, G., Trejo, F., Marroquín, G., García, J. A., Tenorio, E., Torres, A.

“…Three crude oils were employed for precipitation of asphaltenes using two solvents, n-pentane and n-heptane. Crude oils were analyzed by API gravity, elemental…”
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Simulation and multi-objective optimization to improve the final shape and process efficiency of a laser-based material accumulation process by Bänsch, Eberhard, Luttmann, Andreas, Montalvo-Urquizo, Jonathan, Schmidt, Alfred, Villarreal-Marroquín, Maria G.

“…Common goals of modern production processes are precision and efficiency. Typically, they are conflicting and cannot be optimized at the same time…”
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Catalyst Deactivation during Hydroprocessing of Maya Heavy Crude Oil. (II) Effect of Temperature during Time-on-Stream by Ancheyta, J, Betancourt, G, Centeno, G, Marroquín, G

“…The effect of reaction temperature on catalyst deactivation during hydroprocessing of Maya heavy crude oil was studied. Experiments were carried out in a…”
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Changes in Asphaltene Properties during Hydrotreating of Heavy Crudes by Ancheyta, J, Centeno, G, Trejo, F, Marroquín, G

“…Precipitation with n-heptane and characterization of asphaltenes were carried out for products obtained during hydrotreating of Maya heavy crude oil…”
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Catalyst Deactivation during Hydroprocessing of Maya Heavy Crude Oil. 1. Evaluation at Constant Operating Conditions by Ancheyta, J, Betancourt, G, Centeno, G, Marroquín, G, Alonso, F, Garciafigueroa, E

“…A deactivation study during hydroprocessing of Maya heavy crude oil is reported. Experiments were carried out in fixed-bed pilot plant at the following…”
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Changing the blame game: Associations between relationship mindfulness, loneliness, negative partner attributions, and subsequent conflict by Morris, Katherine L, Kimmes, Jonathan G, Marroquin, Crystal G

“…Given the important associations between couple conflict and various physical and mental health outcomes, it is essential to explore factors that may catalyze…”
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On the effect of reaction conditions on liquid phase sulfiding of a NiMo HDS catalyst by Marroquín, G., Ancheyta, J., Díaz, J.A.I.

“…Various experimental tests were conducted in a fixed-bed pilot plant in order to study the liquid phase sulfiding of a NiMo commercial catalyst. Four sulfiding…”
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Changes in Apparent Reaction Order and Activation Energy in the Hydrodesulfurization of Real Feedstocks by Ancheyta, J, Angeles, M. J, Macías, M. J, Marroquín, G, Morales, R

“…In this work we present experimental information about the effect of feed properties on apparent reaction order and activation energy in the…”
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Process heat integration of a heavy crude hydrotreatment plant by Muñoz, José A.D., Alvarez, Antón, Ancheyta, Jorge, Rodríguez, Miguel A., Marroquín, Gustavo

“…The present paper focuses on the study of process alternatives for heat integration of a heavy crude oil hydrotreatment plant. Experimental information…”
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Individual Hydrotreating of FCC Feed Components by Ancheyta, J, Morales, P, Betancourt, G, Centeno, G, Marroquín, G, Muñoz, J. A. D

“…In this work, hydrotreating of heavy atmospheric gas oil, light vacuum gas oil, and heavy vacuum gas oil was carried out at pilot scale at the following…”
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A multicriteria simulation optimization method for injection molding by Villarreal-Marroquin, M. G., Cabrera-Rios, M., Castro, J. M.

“…Injection Molding is one of the most important processes for mass-producing plastic products. To help improve and facilitate the molding of plastic parts,…”
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