Listar por autor "Molina-Ramírez, Sergio"
Mostrando ítems 1-17 de 17
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Acercándonos a la realidad comunicativa de las nuevas generaciones: Telegram y tutorías.
González-Pasarín, Lucía; Quintero Felipe, María José; Prieto-Latorre, Claudia
; Chamizo-Nieto, Francisco José; Molina-Ramírez, Sergio (2022)
La crisis sanitaria SARS-CoV-2 (COVID-19) precipitó la digitalización de los espacios educativos, la virtualización de la docencia y de la comunicación docente-alumnado, sobre todo en el contexto universitario, en el cual ... -
Advanced blends as avisable extended option for thermal engines: emissions and performance on a Diesel Engine
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Auñón-Hidalgo, Juan Antonio; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José[et al.] (2022-08)
The stricter emission regulation for the automobile sector to achieve reduction in pollution that caused GHG in the atmosphere, have resulted in the search of alternative clean fuels which satisfy the demand of this ... -
Biocrude oil production upgrading by catalytic assisted hydrothermal liquefaction of underutilized non-edible seed biomass
Moreira-Mendoza, C.A.; Essounani-Mérida, Sofía; Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José[et al.] (Springer Nature, 2024-09-13)
Thermal and catalytic aqueous hydrothermal liquefaction of Ricinus communis and Jatropha curcas L. seeds, after mechanical defatting, was conducted at 260 °C for 40 min under subcritical water conditions with a biomass-to-water ... -
Carburantes Avanzados y Sistemas Catalíticos Híbridos para mejora de Rendimiento y Reducción de Contaminantes en Motorización Diesel.
(UMA Editorial, 2024)La presente Tesis Doctoral se centra en el estudio y desarrollo de tecnologías primarias y secundarias, en el marco de las llamadas "Tecnologías Puente" para el sector del transporte, con el fin de extender la vida útil a ... -
Catalytic upgrading of ethanol to n-butanol over a novel Ca-Fe modified mixed oxide Mg-Al catalyst from hydrotalcite-base precursor
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José (Elsevier, 2021-07-22)
n-Butanol is used in a wide range of applications and recently, the use of n-butanol as a fuel, which can be employed pure or blended with gasoline or diesel, has been proposed. So, in an attempt to deepen in the one-step ... -
CO2-SR Cyclic Technology: CO2 Storage and in situ Regeneration with CH4 over a new dual function NiBa unsupported catalyst
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José (Elsevier, 2020-06)
A Ni-Ba unsupported catalyst has been developed to be used as a dual function material (DFM) for a new CO2 storage and in-situ regeneration (CO2-SR technology), consisting in a CO2 storage step followed by a CH4 regeneration ... -
CO2-SR technology using NiBa unsupported catalyst. Isotopic study of cyclic process of CO2 storage and in situ regeneration with CH4
Molina-Ramírez, Sergio; Peltzer, D.; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Cornaglia, L.; Alemany-Arrebola, Luis José[et al.] (Elsevier, 2023)
The unsupported NiBa catalyst has been used in the CO2-SR (CO2 Storage and in situ Regeneration with CH4) cyclic technology, which allows the use of CO2 from combustion and CH4 from biogas in order to produce enriched ... -
Comparison of Cu-CHA-zeolites in the hybrid NSR-SCR catalytic system for NOx abatement in mobile sources
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José (MDPI, 2023-03-10)
DeNOx activity in a NSR–SCR hybrid system of two copper-containing chabazite-type zeolitic catalysts was addressed. A Pt-Ba-K/Al2O3 model catalyst was used as the NSR (NOx storage and reduction) catalyst. For the SCR ... -
Desarrollo de catalizadores tiorresistentes para el acoplamiento de tecnologías deNOX en motorización diesel
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Epling, William S.; Alemany-Arrebola, Luis José[et al.] (2022-07)
En las últimas décadas, se han desarrollado y perfeccionado diferentes estrategias y tecnologías deNOx de elevada eficacia en respuesta a las regulaciones cada vez más estrictas de las emisiones en el sector del automóvil. ... -
Estudio del proceso cíclico de captura y conversión de CO2 en corrientes enriquecidas en H2 empleando CH4 con un catalizador NiBa no soportado
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Larrubia-Vargas, María Ángeles; Herrera-Delgado, María Concepción; Alemany-Arrebola, Luis José (2019-07-04)
El principal objetivo decidido en el Acuerdo de París de 2015 fue el de mantener el aumento de la temperatura media mundial por debajo de 2C respecto a los niveles en la era preindustrial. La reducción de la concentración ... -
Estudio DRIFTs-MS in situ de la oxidación de CO en condiciones subestequiométricas de oxígeno con un catalizador bimetálico Ni-Ce
Cortés-Reyes, Marina; Granados-Fernández, Rafael; Jiménez, José M.; Molina-Ramírez, Sergio; Pinzón, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José[et al.] (2019-07-19)
El interés en la reducción de uno de los principales contaminantes atmosféricos como el monóxido de carbono hace que se hayan propuesto diversas técnicas para su eliminación. Actualmente, la oxidación catalítica a baja ... -
Hydrogen co-injection as a bridged technology for internal combustion engines
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Auñón-Hidalgo, Juan Antonio; Alemany-Arrebola, Luis José[et al.] (International congress on Catalysis and Automotive Pollution Control – 12th edition CAPoC12, 2022)
In order to survive at media-term, diesel engines need a new approach for the use of the new fuel portfolio and to control the exhaust gas emissions. Hydrogen has been proposed as an alternative due to its excellent ... -
Incorporation of an alkaline-alkaline earth metal in an unsupported bimetallic Ni-containing catalyst for the CO2-SR technology.
Alemany-Arrebola, Luis José; Larrubia-Vargas, María Ángeles; Herrera-Delgado, María Concepción; Cortés-Reyes, Marina; Molina-Ramírez, Sergio; Essounani-Mérida, Sofía[et al.] (2023)
Introduction. In the past decades, global warming resulting from the emission of greenhouse gases, consisting mainly of carbon dioxide and methane, has become one of society’s main concerns. In this context, there has ... -
Microalgae valorization by Catalytic Assisted Hydrothermal Liquefaction
Alemany-Arrebola, Luis José; Larrubia-Vargas, María Ángeles; Herrera-Delgado, María Concepción; Cortés-Reyes, Marina; Moreira-Mendoza, Carlos; Molina-Ramírez, Sergio; Essounani-Mérida, Sofía[et al.] (2023)
The growing demand for energy resources and the need to reduce the consumption of fossil fuels in favour of more sustainable processes led to an interest in the production of biofuels trough different routes, such as ... -
NiGa Unsupported Catalyst for CO2 Hydrogenation at Atmospheric Pressure. Tentative Reaction Pathways
Cortés-Reyes, Marina; Azaoum, Ibrahim; Molina-Ramírez, Sergio; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José[et al.] (American Chemical Society, 2021-12-06)
The hydrogenation of CO2 is presented as a catalytic strategy for CO2 utilization and an approach to the development of sustainable processes to obtain products with high added value, such as CO, CH4, and CH3OH. An unsupported ... -
Salvar a la Dra. Arnold: un escaperoom para ingeniería química
Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Alemany-Arrebola, Luis José; Domínguez-Barroso, María Vanesa; González Gil, Rafael[et al.] (2022-07)
Se ha diseñado e implementado un Escaperoom para ser aplicado como herramienta de gamificación en la educación superior. El objetivo principal ha sido involucrar a los estudiantes en su propio aprendizaje, aumentando ...