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Article
Open AccessDynamic behaviour of platinum and copper dopants in gold nanoclusters supported on ceria catalysts
Understanding the behaviour of active catalyst sites at the atomic level is crucial for optimizing catalytic performance. Here, the evolution of Pt and Cu dopants in Au25 clusters on CeO2 supports is investigated...
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Article
Open AccessFacet-engineered TiO2 drives photocatalytic activity and stability of supported noble metal clusters during H2 evolution
Metal clusters supported on TiO2 are widely used in many photocatalytic applications, including pollution control and production of solar fuels. Besides high photoactivity, stability during the photoreaction is a...
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Article
Open AccessInvestigation of the evolution of Pd-Pt supported on ceria for dry and wet methane oxidation
Efficiently treating methane emissions in transportation remains a challenge. Here, we investigate palladium and platinum mono- and bimetallic ceria-supported catalysts synthesized by mechanical milling and by...
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Article
Open AccessFurfural production from xylose and birch hydrolysate liquor in a biphasic system and techno-economic analysis
Furfural has been highlighted as one of the top ten most rewarding bio-based building blocks by the US Department of Energy. In this study, furfural was produced from xylose and birch hydrolysate liquor employ...
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Article
Investigation of physicochemical and electrical properties of \(\hbox {TiO}_{{2}}\) nanotubes/graphene oxide nanocomposite
Graphene oxide (GO)-based nanocomposites have received a great attention due to their emerging applications. Here, we thoroughly examined the structural, electronic and surface properties of
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Article
Open AccessCarbonaceous catalysts from orange pulp for limonene oxidation
The possibility of orange pulp utilization for nanoporous carbons production was investigated. Moreover, processing the obtained materials as limonene oxidation catalysts was studied as well. Limonene was sepa...
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Chapter
Solar Fuels via Two-Step Thermochemical Redox Cycles
With the advent of green technologies, solar fuel has gained particular interest that helps in producing syngas which is the primary feedstock for many of the synthetic chemicals using emissions (CO2 and H2O). Th...
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Article
Open AccessHollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts
In the present work, hollow PdAg-CeO2 heterodimer nanocrystals (NCs) were prepared and tested as catalysts for the selective hydrogenation of alkynes. These nanostructures combine for the first time the beneficia...
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Article
Open AccessThermodynamic assessment of non-catalytic Ceria for syngas production by methane reduction and CO2 + H2O oxidation
Chemical loo** syngas production is a two-step redox cycle with oxygen carriers (metal oxides) circulating between two interconnected reactors. In this paper, the performance of pure CeO2/Ce2O3 redox pair was i...
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Article
Oxidation by H2O(g) in the presence of H2(g) of UO2 doped with Pd nanoparticles
This work studies the influence of epsilon particles and metallic precipitates, simulated through the deposition of Pd nanoparticles on non-irradiated UO2, on the oxidation of the spent nuclear fuel (SNF). The pr...
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Article
Au/TiO2 Lyogels for Hydrogen Production
Au/TiO2 lyogels have been prepared by sol-gel process followed by freeze-drying and calcination in order to induce crystallization. In the synthesis, a dispersion of AuNPs was added either during the sol-gel proc...
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Article
Chemoselective hydrogenation of cinnamaldehyde at atmospheric pressure over combustion synthesized Pd catalysts
A series of Pd-supported metal oxides (Al2O3, Fe2O3 and CeO2) have been prepared by a single step solution combustion synthesis (SCS) method. Their catalytic performance was evaluated for the selective hydrogenat...
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Chapter and Conference Paper
Asteroid Mining: Mineral Resources in Undifferentiated Bodies from the Chemical Composition of Carbonaceous Chondrites
Humanity has been mining Earth deposits for decades in order to extract tiny amounts of economically valuable metals and thereby, producing huge natural devastations of our planet. Recently, asteroids have gra...
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Chapter and Conference Paper
Chelyabinsk Meteorite as a Proxy for Studying the Properties of Potentially Hazardous Asteroids and Impact Deflection Strategies
Most asteroids of the near-Earth population have experienced significant collisional processing since they formed, being disrupted and excavated and consequently producing smaller bodies that are delivered fro...
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Reference Work Entry In depth
Monolithic Membranes
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Reference Work Entry In depth
Monolithic Reactor
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Article
Total degradation of p-hydroxybenzoic acid by Ru-catalysed wet air oxidation: a model for wastewater treatment
Catalytic wet air oxidation using heterogeneous catalysts is a promising technology for treatment of wastewaters. Wastewaters from olive oil mills are difficult to clean because effluents contain high levels ...
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Article
Hydrogen Photoproduction from Ethanol–Water Mixtures Over Au–Cu Alloy Nanoparticles Supported on TiO2
Au/TiO2, Au0.75Cu0.25/TiO2, Au0.5Cu0.5/TiO2 and Au0.25Cu0.75/TiO2 photocatalysts prepared from pre-formed Au and Au–Cu alloy nanoparticles of controlled composition and size were loaded over ceramic honeycombs (2...
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Living Reference Work Entry In depth
Monolithic Membranes
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Living Reference Work Entry In depth
Monolithic Reactor
