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Mostrando ítems 41-50 de 59
Artículo
Promoting effect of Sn on supported Ni catalyst during steam reforming of glycerol
(Pergamon Press, 2016)
The promoting effect of Sn on the catalytic performance of supported Ni catalyst in the reaction of glycerol steam reforming was studied. The physico-chemical properties of the prepared samples were investigated by X-ray ...
Artículo
Recycling of construction and demolition waste generated by building infrastructure for the production of glassy materials
(Elsevier, 2016)
The use of waste materials generated by construction and demolition industry to yield valuable glassy materials, i.e. enamel for glazed ceramic tiles and cellular glasses is presented in this study. Both types of materials ...
Artículo
Chemical CO2 recycling via dry and bi reforming of methane using Ni-Sn/ Al2O3 and Ni-Sn/CeO2-Al2O3 catalysts
(Elsevier, 2018)
Carbon formation and sintering remain the main culprits regarding catalyst deactivation in the dry and bireforming of methane reactions (DRM and BRM, respectively). Nickel based catalysts (10 wt.%) supported on alumina ...
Artículo
In-situ Raman spectroscopy study of Ru/TiO2 catalyst in the selective methanation of CO
(Wiley, 2016)
Raman spectroscopic technique has been used to characterize a Ru/TiO2 catalyst and to follow in situ their structural changes during the CO selective methanation reaction (S-MET). For a better comprehension of the catalytic ...
Artículo
H2 oxidation as criterion for PrOx catalyst selection: Examples based on Au-CoOx-supported systems
(Elsevier, 2015-06-01)
A new approach for understanding PrOx reaction over gold catalysts is proposed in this work. The competition between H2 and CO oxidation has been studied over a series of Au/MOx/Al2O3 (M = Ce and Co) catalysts in simulated ...
Artículo
Modificaciones de las propiedades texturales y estructurales de una zeolita USY y de sus mezclas con "caolín Clay" y clorhidrol como consecuencia del tratamiento hidrotémico
(Universidad Nacional de Colombia, 2006)
El catalizador de FCC está constituido por partículas de composición compleja donde el componente activo es una zeolita-Y. En este trabajo se presentan los resultados tex- turales y estructurales de una zeolita ...
Artículo
Synthesis and application of layered titanates in the photocatalytic degradation of phenol
(Elsevier, 2015)
This study proposes a direct synthetic route to single titanate sheets through the mild and versatile conditions of the >chimie douce>. The stages of the production include the complexation of the titanium alkoxide precursor ...
Artículo
Preferential oxidation of CO over Au/CuOx-CeO2 catalyst in microstructured reactors studied through CFD simulations
(Elsevier, 2013)
A computational fluid dynamics (CFD) simulation study of the preferential oxidation of CO (CO-PROX) in microstructured reactors consisting in square and semicircular microchannels coated with anAu/CuOx¿CeO2catalyst is ...
Artículo
Pt vs. Au in water-gas shift reaction
(Elsevier, 2014)
This work presents a comparison of the gold- and platinum-based catalysts behavior in the water-gas shift (WGS) reaction. The influence of the support, e.g., its composition and electronic properties, studied in detail by ...
Artículo
CO oxidation at low temperature on Au/CePO4: Mechanistic aspects
(Elsevier, 2011)
This work reports the synthesis and characterization of a cerium phosphate supported gold catalyst as well as its catalytic activity for the oxidation of CO. A precipitation method in the presence of an organic modifier ...