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Mostrando ítems 51-59 de 59
Artículo
Au/CeO2 metallic monolith catalysts: Influence of the metallic substrate
(World Gold Council, 2013)
Ceria-based gold catalysts were successfully deposited on ferritic stainless steel (Fecralloy) and aluminium monoliths. The prepared monolithic and reference powder catalysts were characterized by means of S BET, X-ray ...
Artículo
Monolithic stirrer reactor: The selective lactose oxidation in liquid phase over Au/Al2O3 nanostructured catalysts
(Elsevier, 2020)
The performance of rotating metallic monolith stirrer reactor was studied for selective lactose oxidation in liquid phase at 65 °C, atmospheric pressure and with air as oxidant agent. The Au/Al2O3deposition on metallic ...
Artículo
Influence of Vanadium or Cobalt Oxides on the CO Oxidation Behavior of Au/MO x/CeO 2-Al 2O 3 Systems
(John Wiley & Sons, 2012)
A series of V 2O 5- and Co 3O 4-modified ceria/alumina supports and their corresponding gold catalysts were synthesized and their catalytic activities evaluated in the CO oxidation reaction. V 2O 5-doped solids demonstrated ...
Artículo
Role of ruthenium on the catalytic properties of CeZr and CeZrCo mixed oxides for glycerol steam reforming reaction toward H2 production
(Elsevier, 2015)
The effect of ruthenium on the physico-chemical properties of CeZr and CeZrCo mixed oxides for H2 production by glycerol steam reforming reaction has been studied. The combination of in situ Raman spectroscopy under both ...
Artículo
Gold catalysts screening in base-free aerobic oxidation of glucose to gluconic acid
(Elsevier, 2017-01-01)
Base-free aerobic oxidation of glucose in presence of Au/Al2O3, Au/CeO2, Au/CeO2(20 wt%)/Al2O3, Au/CeO2(25 wt%)/ZrO2 and Au/CeO2(50 wt%)/ZrO2 catalysts using molecular oxygen at atmospheric pressure is studied. Within the ...
Artículo
Operando DRIFTS-MS Study of WGS and rWGS Reaction on Biochar-Based Pt Catalysts: The Promotional Effect of Na
(MDPI, 2018)
Biochar-based Pt catalysts, unpromoted and Na-promoted, were prepared by an incipient wetness impregnation method and characterised by Inductively coupled plasma mass spoectrometry (ICP-MS) analysis, X-ray diffraction, N2 ...
Artículo
Nanogold mesoporous iron promoted ceria catalysts for total and preferential CO oxidation reactions
(Elsevier, 2016)
Herein, a series of highly efficient gold based catalysts supported on mesoporous CeO2-Fe2O3 mixed oxides for CO elimination reactions have been developed. The materials have been fully characterized by means of XRD, Raman ...
Artículo
Mesoporous carbon production by nanocasting technique using boehmite as a template
(Multidisciplinary Digital Publishing Institute (MDPI), 2021)
A series of mesoporous carbonaceous materials were synthesized by the nanocasting technique using boehmite as a template and glucose as a carbon precursor. After pyrolysis and template removal, the resulting material is a ...
Artículo
Colombian metallurgical coke as catalysts support of the direct coal liquefaction
(Elsevier, 2019)
A Colombian metallurgical coke was modified in its surface chemistry and was used as support of iron sulfide catalysts for direct coal liquefaction. The modification was made by treatments with diluted oxygen and HNO3 at ...