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Mostrando ítems 61-70 de 103
Artículo
Evidence of new Ni-O-K catalytic sites with superior stability for methane dry reforming
(Elsevier, 2022)
Liquid fuels produced via Fischer-Tropsch synthesis from biomass-derived syngas constitute an attractive and sustainable energy vector for the transportation sector. This study focuses on the role of potassium as a promoter ...
Artículo
Water-assisted HDO of biomass model compounds enabled by Ru-based catalysts
(Elsevier Ltd., 2023-10)
Biofuels upgrading gathering momentum in view of the gradual depletion of fossil fuels and the pursuit of renewable energy sources to mitigate global warming. Hydrodeoxygenation (HDO) is a key reaction in the upgrading of ...
Artículo
Epimerization of glucose over ionic liquid/phosphomolybdate hybrids: structure-activity relationship
(Royal Society of Chemistry, 2018)
The influence of the crystal structure and chemical nature of some ionic liquid/phosphomolybdate hybrids on their catalytic activity in the epimerization of glucose is studied. A clear evidence for structure-activity ...
Tesis Doctoral
Catalizadores híbridos bifuncionales para la valorización química de biomasa
(2017-09-29)
El concepto de biorrefinería, aunque conocido desde finales del siglo pasado , ha sido objeto de numerosas definiciones durante la última década . Según la Agencia Internacional de Energía (Bioenergía, apartado 42), ...
Artículo
Ru–Ni/MgAl2O4 structured catalyst for CO2 methanation
(Elsevier Ltd., 2020-12)
Novel catalytic systems should be tested for the valorization of CO2 through the Sabatier reaction, since this process is gaining great importance within strategic sectors of the chemical industry. Therefore, this work ...
Artículo
Selective CO methanation with structured RuO2/Al2O3 catalysts
(Elsevier, 218)
Active and selective structured RuO2/Al2O3 catalysts for CO methanation using a flow simulating CO2-rich reformate gases from WGS and PROX units (H2 excess, CO2 presence and 300 ppm CO concentration) were prepared. Both, ...
Tesis Doctoral
Artículo
Oxidation of CO over gold supported on Zn-modified ceria catalysts
(Elsevier, 2011)
A series of Zn-modified ceria solids were prepared by thermal decomposition of the corresponding metal propionates. The formation of segregated ZnO particles on the ceria surface is evidenced for these solids using X-ray ...
Tesis Doctoral
Diseño y caracterización de catalizadores en oro para la reacción de water gas shift reaction
(2014-06-30)
1. Introducción y Objetivo La protección del medio ambiente es uno de los principales problemas a los que se enfrenta el mundo actual. El creciente calentamiento global del planeta ha potenciado el interés científico en ...
Artículo
Surface oxygen vacancies in gold based catalysts for CO oxidation
(RSC Publishing, 2014)
Experimental catalytic activity measurements, Diffuse Reflectance Infrared Fourier Spectroscopy, and Density Functional Theory calculations are used to investigate the role and dynamics of surface oxygen vacancies in the ...