Wittee Lopes, Christian(Universitat Politècnica de València, 2018-09-10)
El objetivo de esta tesis es estudiar la agrupación y el crecimiento de especies metálicas confinadas o soportadas en materiales porosos mediante espectroscopia de absorción de rayos X in situ. Para lograrlo, las especies ...
Alonso Escobar, Cristina(Universitat Politècnica de València, 2017-11-03)
In this thesis, a series of different metal-zeolite catalysts has been studied using X-ray absorption spectroscopy (XAS). The studies have focused on the in situ activation processes of the materials, complemented with ...
[EN] The modification of crystalline phases of a vanadium oxide supported on mesoporous zirconium phosphate during the partial oxidation of H2S to sulphur has been studied by using an operando Raman-GC approach and XAS in ...
Delgado-Muñoz, Daniel; Sanchís, R.; Cecilia, J. A.; Rodríguez-Castellón, E.; Caballero, A.; Solsona, B.; López Nieto, José Manuel(Elsevier, 2019-08-01)
[EN] We report on the effect of NiO-support interactions on the chemical nature of Ni species in a series of supported NiO catalysts for the ODH of ethane. SiO2, TiO2-anatase, a high surface area TiO2 and a porous clay ...