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Mostrando ítems 21-37 de 37
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Nanocatalizadores para procesos medioambientales: obtención de energía y eliminación de contaminantes
Barroso-Martín, Isabel (UMA Editorial, 2022-07-14)In the present doctoral thesis, two main concerns modern society is experiencing have been addressed: on the one hand, the need of developing clean, renewable energy sources that help to reduce the heavy reliance on ... -
Nanocatalysts for oxygen removal from biomass derived biofuel
Infantes-Molina, Antonia; Rodríguez-Aguado, Elena; Ballesteros-Plata, Daniel; Rodríguez-Castellón, Enrique (2018-09-10)The use of bio-energy as a renewable alternative to fossil fuels is nowadays attracting more and more attention. The bio-fuel from biomass seems to be a potential energy substitute for fossil fuels since it is a renewable ... -
Nanocatalysts for oxygen removal from biomass derived biofuel.
Infantes-Molina, Antonia; Rodríguez-Castellón, Enrique; Cecilia-Buenestado, Juan Antonio; Ballesteros-Plata, Daniel; Rodríguez-Aguado, Elena (2018-11-08)The use of bio-energy as a renewable alternative to fossil fuels is nowadays attracting more and more attention. Bio-fuel from biomass seems to be a potential energy substitute for fossil fuels since it is a renewable ... -
Nanoestructuras de ceria-titania para fotodegradar azul de metileno con luz solar simulada
Alberoni, Chiara; Barroso-Martín, Isabel; Infantes-Molina, Antonia; Rodríguez-Castellón, Enrique; Storaro, L.; Talon, Aldo; Moretti, E.[et al.] (2019-07-02)En los últimos años la protección ambiental y el uso de fuentes de energía renovables son dos objetivos principales en la investigación química. La energía solar se puede aprovechar para la degradación fotocatalítica de ... -
Ni-Doped Ordered Nanoporous Carbon Prepared from Chestnut Wood Tannins for the Removal and Photocatalytic Degradation of Methylene Blue
Bello, Ruby; Rodríguez Aguado, Elena; Smith, Victoria A.; Grachev, Dmitry; Rodríguez-Castellón, Enrique; Bashkova, Svetlana[et al.] (IOAP-MPDI, 2022-05-10)In this work, Ni-doped ordered nanoporous carbon was prepared by a simple and green one-pot solvent evaporation induced self-assembly process, where chestnut wood tannins were used as a precursor, Pluronic® F-127 as a soft ... -
Nuevos catalizadores estructurados para la obtención de hidrógeno limpio de co
Arango Díaz, Ana (Servicio de Publicaciones y Divulgación Científica, 2016)La presente Tesis se ha estructurado en siete capítulos. En el primero se presentan los puntos más relevantes que han motivado esta memoria. En los capítulos siguientes se exponen los resultados obtenidos en el transcurso ... -
Óxidos de metales de transición como catalizadores bifuncionales para la mejora de biocombustibles
Ballesteros-Plata, Daniel (UMA Editorial, 2019-11)En los últimos años, tanto el cambio climático como el aumento del precio de los recursos energéticos, procedentes en su mayoría de recursos fósiles, ha dado lugar a la necesidad de buscar formas de energía alternativas ... -
Pt-Fe2O3 based catalysts for anisole hydrodeoxygenation
The depletion of fossil fuels along with massive emissions of greenhouse gases (GHG) emissions are serious issues facing society nowadays. Considering that almost a quarter of fossil fuel consumption is associated with the ... -
Rapid synthesis of MCM-41 and SBA-15 by microwave irradiation: promising adsorbents for CO2 adsorption
Oliveira, Marília R.; Cecilia-Buenestado, Juan Antonio; De Conto, Juliana F.; Egues, Silvia M.; Rodríguez-Castellón, Enrique (Elsevier, 2022-12-31)It is known that the world scenario is one of constant search for sustainable technologies that can reduce the emission of carbon dioxide (CO2) in the atmosphere. This is because CO2 is seen as the main responsible for the ... -
Role of Mo in catalysts based on noble metals in hydrodeoxygenation reactions
Ballesteros-Plata, Daniel; Infantes-Molina, Antonia; Rodríguez-Aguado, E.; Braos-García, María del Pilar; Rodríguez-Castellón, Enrique (2017-06-29)The use of bio-energy as a renewable alternative to fossil fuels is nowadays attracting more and more attention. The bio-fuel from biomass seems to be a potential energy substitute for fossil fuels since it is a renewable ... -
Ru supported on Mg/Al hydrotalcites for phenol hydrogenation.
Benmebirouk-Pareja, Nadia; Barroso-Martín, Isabel; Montaña, Maia; Ballesteros-Plata, Daniel; Cecilia-Buenestado, Juan Antonio; Infantes-Molina, Antonia; Rodríguez-Castellón, Enrique[et al.] (2023)Cyclohexanone and cyclohexanol are high value-added products widely used in polymer and chemical industry as organic solvents in oil paints or varnishes [1] or as intermediates in nylon, oxalic acid, caprolactam and adipic ... -
Ruthenium incorporation into hydrotalcites-derived mixed oxides for phenol hydrogenation: Role of Mg/Al molar ratio
Barroso-Martín, Isabel; Benmebirouk-Pareja, Nadia; Montaña, Maia; Cecilia-Buenestado, Juan Antonio; Infantes-Molina, Antonia; Rodríguez-Castellón, Enrique[et al.] (Elsevier, 2023-06)In this work the catalytic behaviour of Ru supported on mixed oxides derived from non-commercial hydrotalcites in phenol hydrogenation was studied in a batch reactor working at 30 bar and 200 °C. To this end, a set of ... -
Selective Catalytic Reduction of NOx by CO over Cu(Fe)/SBA-15 Catalysts: Effects of the Metal Loading on the Catalytic Activity
Souza, Monique S.; Martins, Antonio J.; Ribeiro, Jackson Anderson S.; Campos, Adriana; Oliveira, Alcineia C.; Jucá, Raí F.; Saraiva, Gilberto D.; Rodríguez-Castellón, Enrique; Araujo, Rinaldo S.[et al.] (IOAP-MDPI, 2023-03-04)Mesoporous Cu(Fe)/SBA-15 catalysts were prepared with distinct metal loadings of ca. 2–10 wt.%. A detailed set of characterizations using X-ray diffraction (XRD), electron paramagnetic resonance (EPR), transmission electron ... -
Synthesis and Frictional Characteristics of Bio-Based Lubricants Obtained from Fatty Acids of Castor Oil
Paulo Roberto, Campos Flexa Ribeiro Filho; Rocha do Nascimento, Matheus; Otaviano da Silva, Silvia Shelly; Murilo Tavares de Luna, Francisco; Rodríguez-Castellón, Enrique; Loureiro Cavalcante, Célio[et al.] (IOAP-MDPI, 2023-01-31)The depletion of oil reserves and concerns about the environmental impact of the use and incorrect disposal of mineral lubricants have been promoting the development of bio-based lubricants. In this study, biolubricants ... -
Synthesis of porous graphene/TiO2 by use of recycled graphite
Jiménez-Jiménez, José; Algarra-González, Manuel; Rodríguez-Aguado, Elena; Rodríguez-Castellón, Enrique (2016-09-16)Graphene-based nanomaterials are a kind of new technological materials with high interest for physicists, chemists and materials scientists. Graphene is a two-dimensional (2-D) sheet of carbon atoms in a hexagonal configuration ... -
Synthesis of type A zeolites from natural kaolinite for their application in CO2 capture processes
Jiménez-Gómez, Carmen Pilar; Cecilia-Buenestado, Juan Antonio; Vilarrasa García, Enrique; Cavalcante Jr., Celio L.; De Azevedo, Diana Cristina Silva; Rodríguez-Castellón, Enrique[et al.] (2017-10-02)Climate change is the greatest environmental threat of the 21st century, with major economic, social and environmental consequences. The level of carbon dioxide (CO2) emissions has increased by 31%, therefore, both governments ... -
Synthesis, characterization and catalytic properties for the ethanol transformation of La-Mg hydrotalcites.
Ballesteros-Plata, Daniel; Cecilia-Buenestado, Juan Antonio; Barroso-Martín, Isabel; Infantes-Molina, Antonia; Balestra, Giulia; Tabanelli, Tomasso; López Nieto, José Manuel; Montaña, Maia; Rodríguez-Castellón, Enrique[et al.] (2023)Ethylene is considered a key feedstock for the chemical industry because it is possible to obtain a wide range of products such as ethylene oxide, ethylbenzene, 1,2-dichloroethane, polyethylene resin, ethylene glycol, among ...