Dutra Brambila, Larissa(Universitat Politècnica de València, 2014-09-15)
De todos los contaminantes producidos y liberados a la atmósfera, los óxidos de
nitrógeno (NOx = NO+NO2) son los más difíciles de controlar. La búsqueda de alternativas que
puedan reducir la generación y/o liberación ...
Concepción Heydorn, Patricia; Boronat Zaragoza, Mercedes; García García, Saray; Fernández-Villanueva, Estefanía; Corma Canós, Avelino(American Chemical Society, 2017)
[EN] By a combination of theoretical modeling and XPS and SERS spectroscopic studies, it has been found that it is possible to stabilize metallic copper species under oxidizing reaction conditions by adjusting the atomicity ...
Navalón Oltra, Sergio; De Miguel de la Torre, Maykel; Martín González, Roberto; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo(American Chemical Society, 2011)
[EN] Laser flash photolysis of supported gold nanopar-ticles exciting at the surface plasmon band (532 nm) has allowed in the case of Au/CeO 2 and Au/OH-npD (OH-npD: Fenton-treated diamond nanoparticles) detection of ...
Duarte Alvarado, Victoria(Universitat Politècnica de València, 2021-07-30)
[ES] El agua es de vital importancia para el sostenimiento de los ecosistemas, la vida de
los seres vivos y el desarrollo de las actividades humanas, y cada vez se sobrepasan
más los límites de su contaminación, debido ...
Segarra Durán, Pablo(Universitat Politècnica de València, 2020-10-13)
[EN] The aim of the work was to study the synthesis of polyenaminones, polymers that are
insoluble in water but with the ability to be chemically recycled. After overview of
various pathways of synthesis, their environmental ...
Pérez Ruiz, Raul; Domingo, Luis R; Jiménez Molero, María Consuelo; Miranda Alonso, Miguel Ángel(American Chemical Society, 2011)
[EN] The feasibility of an electron transfer imino-Diels Alder reaction betweenN-benzylideneaniline and arylalkenes in the presence of a pyrylium salt
as a photosensitizer has been demonstrated by a combination of product ...
Most industrial applications of zeolites as catalysts rely on their Bronsted acidity properties. However, neither quantifying acid strength in solids nor correlating acidity with catalytic activity is straightforward. The ...
Doping of anatase TiO2 with Au and Fe has been investigated using DFT methods. The geometry distortion,
charge and spin density distribution in the lattice and oxygen vacancy formation energies calculated for
the Au- and ...
Peng, Lu; Jurca, Bogdan; Primo Arnau, Ana Maria; Gordillo, Alvaro; Parvulescu, Vasile I.; García Gómez, Hermenegildo(Elsevier (Cell Press), 2022-05-20)
[EN] A catalyst based on first-row Fe and Co with a record of 51% selectivity to C-2-C-4 hydrocarbons at 36% CO2 conversion is disclosed. The factors responsible for the C2+ selectivity are a narrow Co-Fe particle size ...
Hanhan, Emre Murat; Martínez Mañez, Ramón; Ros-Lis, José Vicente(Elsevier, 2012-05-09)
The Suzuki coupling of aryl chlorides with boronic acids using a ferrocene-containing Pd(II)-diimine complex as catalyst, in aqueous media, under microwave heating is reported. A small amount of the catalyst (0.1%) was ...
Nandi, Mahasweta; Mondal, John; Sarkar, Krishanu; Yamauchi, Yusuke; Bhaumik, Asim(Royal Society of Chemistry, 2011)
[EN] Post-synthesis modification of SBA-15 has been carried out to design highly ordered acid functionalized hybrid mesoporous organosilica, AFS-1. This material has been used as an efficient heterogeneous organocatalyst ...
Sempere Aracil, David(Universitat Politècnica de València, 2013-06-18)
[ES] El trabajo estudia un método térmico para la funcionalización de las nanopartículas de diamante
comerciales que se puede considerar un método equivalente al método químico de oxidación química
de Fenton. Se demuestra ...
[EN] The increasing environmental concern and promotion of “green processes” are forcing the substitution of traditional acid and base homogeneous catalysts by solid ones. Among these heterogeneous catalysts, zeolites and ...
Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; Hwang, Young Kyu; Seo, You-Kyong; Corma Canós, Avelino; García Gómez, Hermenegildo(ROYAL SOC CHEMISTRY, 2011)
[EN] Three MIL-100 (Fe) samples differing in average crystal size (from 60-70 to >400 nm) have been synthesized by microwave heating using three HF/Fe 3+ ratios. Oxidation of diphenylmethane with tert-butylhydroperoxide ...
[EN] The complete reaction pathway for the selective alcohol oxidation to aldehyde has been obtained from periodic density functional theory (DFT) calculations on a series of catalyst models having Au atoms with different ...
Melillo, Arianna(Universitat Politècnica de València, 2022-04-26)
[ES] La presente tesis doctoral ha centrado la atención en la síntesis de nuevos materiales MOFs obtenidos por intercambio post-sintético de MOFs descritos anteriormente o por heterounión de MOFs estables que tienen ...
Darawsheh, Mohanad D.; Mazarío-Santa-Pau, Jaime; Lopes, Christian W.; Gimenez-Marques, Monica; Domine, Marcelo Eduardo; Meira, Debora M.; Martínez, Jordan Santiago; Minguez Espallargas, Guillermo; Oña-Burgos, Pascual(John Wiley & Sons, 2020-10-27)
[EN] Metal-organic framework (MOF)-driven synthesis is considered as a promising alternative for the development of new catalytic materials with well-designed active sites. This synthetic approach is used here to gradually ...
Garnes-Portoles, Francisco; Rivero-Crespo, Miguel Ángel; Leyva Perez, Antonio(Elsevier, 2020-12)
[EN] The cyanosilylation of carbonyl compounds is a fundamental reaction in organic synthesis, to give cyanohydrins. Ketones are particularly reluctant to cyanosilane addition and require the action of a catalyst, and ...
[EN] Glycols and ethoxy- and propoxy-alcohols are fundamental chemicals in industry, with annual productions of millions of tons, still manufactured in many cases with corrosive and unrecoverable catalysts such as KOH, ...
Canovas Noguera, Juan Daniel(Universitat Politècnica de València, 2023-11-03)
[ES] El Trabajo de Fin de Máster "Optimización de un dispositivo electroquímico de separación de oxígeno integrado en un reactor catalítico para la formación de hidrocarburos aromáticos" está integrado dentro del proyecto ...