Replacing homogeneous catalytic processes by heterogeneous routes based on the utilization of solid catalysts is of great ...

The effect of facet exposure in ceria nanostructures on the catalytic properties of Pd/CeO₂ during methanol decomposition ...

The urgent need for mitigating climate change necessitates a transformative shift in energy production and consumption ...

In the context of CO2 valorisation, the reverse water–gas shift reaction (RWGS) is gathering momentum since it represents a ...

The utilization of biomass and bio-waste, particularly through hydrothermal processes, has shown promise as a technology ...

The RWGS reaction is gathering momentum as an effective route for CO2 valorisation and given its endothermic nature the ...

Currently, acetic acid is produced via the carbonylation reaction of methanol with the main route entailing the use of ...

Beyond its role as an energy vector, a growing number of natural hydrogen sources and reservoirs are being discovered all ...

Biofuels upgrading gathering momentum in view of the gradual depletion of fossil fuels and the pursuit of renewable energy ...

Dry reforming of methane is a very appealing catalytic route biogas (mainly composed by greenhouse gases: carbon dioxide ...

The increasing anthropogenic emissions of greenhouse gases (GHG) is encouraging extensive research in CO2 utilisation. Dry ...

CO2 emissions in the atmosphere have been increasing rapidly in recent years, causing global warming. CO2 methanation ...

The production of CO via Reverse Water Gas Shift (RWGS) reaction is a suitable route for CO2 valorization. In this study ...

In this work, carbon nanofibers (CNFs) have been successfully functionalized by using different approaches and finally ...

Rhodium-catalysed hydroformylation, effective tool in bulk and fine-chemical synthesis, predominantly uses soluble metal ...

Time-resolved operando DRIFTS-MS was performed to elucidate the CO2 capture and conversion mechanisms of a NiRuNa/CeAl DFM ...

Today's rising energy costs, coupled with increasing energy demand, make it necessary to search for more efficient energy ...

The reliance of a future carbon-free horizon is strongly aligned with the long-term energy storage avenues which are ...

Cotton stalks-based biochars were prepared and used to synthetize Ru-supported catalysts for selective production of ...

Methanol carbonylation was evaluated over heterogeneous catalysts based on Cu-exchanged zeolitic materials with different ...

The active forms of Au and Pt in CeO2-based catalysts for the water-gas shift (WGS) reaction are an issue that remains ...

The energy crisis caused by the incessant growth in global energy demand joint to its associated greenhouse emissions ...

Selective CO methanation from H2-rich stream has been regarded as a promising route for deep removal of low CO concentration ...

Coupling inherently fluctuating renewable feedstocks to highly exothermic catalytic processes, such as CO2 methanation, ...

Liquid fuels produced via Fischer-Tropsch synthesis from biomass-derived syngas constitute an attractive and sustainable ...

The conversion of biogas, mainly formed of CO2 and CH4, into high-value platform chemicals is increasing attention in a ...

Chemical CO2 recycling in the gas phase constitutes a straightforward approach for effective CO2 conversion to added-value ...

Nowadays, global climate change is likely the most compelling problem mankind is facing. In this scenario, decarbonisation ...

The worldwide demand of energy and its excessive consumption will lead soon to fuel reserve deficiencies and harmful effects ...

La capa de oxidación que crece sobre los aceros inoxidables está condicionada por numerosos factores, como por ejemplo la ...

The dependence of our current energetic model based on fossil fuels and their harmful effects on the environment are ...

This work presents a comparative study toward the development of efficient microreactors based on three-dimensional ...

La presente tesis desarrolla una nueva metodología de preparación de monolitos de carbono a partir de diversos materiales ...

Las emisiones de dióxido de carbono (CO2) son producidas principalmente por los sectores industriales, destacando la ...

One of the most remarkable benefits of the microreactors is the achievement of more efficient processes by enhancing the ...

In-situ hydrodeoxygenation of guaiacol over Ni-based nitrogen-doped activated carbon supported catalysts is presented in ...

The exponential growth of greenhouse gas emissions and their associated climate change problems have motivated the development ...

Designing an economically viable catalyst that maintains high catalytic activity and stability is the key to unlock dry ...

Methanol adsorption over both supported NiSn Nps and analogous NiSn catalyst prepared by impregnation was studied by in ...

Novel catalytic systems should be tested for the valorization of CO2 through the Sabatier reaction, since this process is ...

This work is devoted to the study of the role of both metals in the intermetallic PtxCuy/ γ Al2O3 catalysts commonly ...

The hexagonal and monoclinic phases of CePO4 have been demonstrated to be excellent catalytic supports for Pt-based water-gas ...

Catalytic hydrodeoxygenation (HDO) is a fundamental and promising route for bio-oil upgrading to produce petroleum-like ...

El objetivo principal de esta tesis doctoral es la preparación controlada de nanopartículas de oro estabilizadas con arcilla ...

A conventional Pt/CeO2/Al2O3 catalyst physically mixed with an ionic conductor (Mo-or Eu-doped ZrO2) was tested at high ...

A series of gold nanoparticles in the 4–40 nm range were prepared, immobilized on activated carbon and further tested, at ...

The bi-reforming of methane (BRM) has the advantage of utilising greenhouse gases and producing H2 rich syngas. In this ...

This study pretends to evaluate and understand the effect of moisture presence during CO2/CH4 separation on small-pore ...

A series of gold catalysts supported on pure CeO2, ZrO2, and two different Ce-Zr mixed oxides have been prepared and tested ...

Usually, nanoparticle synthesis methodologies require the use of organic molecules (capping agent, solvent molecules, ...

The performance of rotating metallic monolith stirrer reactor was studied for selective lactose oxidation in liquid phase ...

This study aims to investigate the oxidation behaviour at high temperature of a commercial ferritic stainless steel EN ...

La presente tesis doctoral se estructura en cinco capítulos de larga extensión, que abordan desde la problemática energética ...

Carbon aerogels and carbon xerogels were synthesized through resorcinol – formaldehyde polycondensation using Na2CO3 as ...

A series of cobalt-based catalysts have been synthesized using as support γ-Al2O3 promoted by ceria/zirconia mixed oxides ...

The influence of the protecting agent’s nature on gold particle size and dispersion was studied in this work over a series ...

The catalytic activity of a simple Au/Al2O3 catalytic system prepared by the direct anionic exchange (DAE) method was ...

Ni-Mg-Al based catalysts were prepared using different preparation methods (impregnation, impregnation-coprecipitation and ...

Dry reforming of ethanol and glycerol using CO2 are promising technologies for H2 production while mitigating CO2 emission. ...

The present work showcases the versatility of nanogold systems supported on Zn-doped ceria when applied in two important ...

This work is a detailed study on how to optimize gold colloids preparation and their deposition to very different in nature ...

In the Hydrogen technology, the preferential oxidation of CO in excess of hydrogen (PrOx reaction) is an important process ...

A series of CexZr1-xO2 supports with different Ce/Zr molar ratios were utilized for the preparation of gold catalyst used ...

A kinetic study of the water gas shift (WGS) reaction has been carried out on a Pt-based catalyst promoted by a Zr-based ...

The current scenario where the effects of global warming are more and more evident, has motivated different initiatives ...

En el marco energético de la sociedad actual, se impone la búsqueda de fuentes de energía alternativas al petróleo, debido ...

Active and selective structured RuO2/Al2O3 catalysts for CO methanation using a flow simulating CO2-rich reformate gases ...

Eu-doped ZrO2 solid solutions have been synthesized in order to prepare proton conductors as water-enhancer additives for ...

For Pt catalysts which have demonstrated great activity for the WGS reaction, the activation of water is described as the ...

Routinely, it seems assumed that the catalytic layer coated on monoliths and microchannel reactors preserve the properties ...

In the last ten years, there has been an acceleration in the pace at which new catalysts for the watergas shift reaction ...

This work is devoted to the study of viability of immobilized gold colloids on carbon as catalysts for the base-free glucose ...

The dry reforming of methane with CO2 is a common route to transform CO2/CH4 mixtures into added value syngas. Ni based ...

The importance of water availability during the WGS reaction has been extensively reported. Thus, the search of new supports ...

The influence of the crystal structure and chemical nature of some ionic liquid/phosphomolybdate hybrids on their catalytic ...

The present paper addresses the nature of the active sites of a bimetallic Ni-Ru supported catalyst on the dry reforming ...

The reaction mechanism of the reverse water−gas shift (RWGS) reaction was investigated using two commercial gold-based ...

Biochar-based Pt catalysts, unpromoted and Na-promoted, were prepared by an incipient wetness impregnation method and ...

A novel multilayer approach for designing structured WGS catalyst is employed in this study as a response to the lack of ...

Active and selective structured RuO2/Al2O3 catalysts for CO methanation using a flow simulating CO2-rich reformate gases ...

Clean hydrogen production via WGS is a key step in the development of hydrogen fuel processors. Herein, we have designed ...

El concepto de biorrefinería, aunque conocido desde finales del siglo pasado , ha sido objeto de numerosas definiciones ...

A series of gold colloids were prepared and immobilized on commercial activated carbon. The influence of the colloid ...

Efficient promotion of the Pt/CeO/AlO catalytic system was achieved by the addition of two different ceria promoters, Zr ...

Two Zr-modified alumina supports were synthetized containing the same amount of Zr but a different distribution of this ...

This work is devoted to the development of novel structured catalytic system for WGS reaction. The new concept is related ...

In this work, the reforming of model biogas was investigated on a Rh/MgAlO catalyst. In situ transient and steady-state ...

Base-free aerobic oxidation of glucose in presence of Au/Al2O3, Au/CeO2, Au/CeO2(20 wt%)/Al2O3, Au/CeO2(25 wt%)/ZrO2 and ...

Two different approaches are proposed in this work in order to study the influence of the ionic liquid presence in the ...

A copper-ceria bulk catalyst has been compared to a series of catalysts designed according to the as called “supported ...

Gold catalysts were synthesized by deposition-precipitation employing Fe-doped ceria systems, previously obtained by means ...

In this work, a structured monolithic catalyst has been tested under a wide range of conditions (partial pressure, residence ...

Biogas is one of the main biomass-energy resources. Its use for syngas production with a H2/CO ratio close to two would ...

Platinum and gold structured catalysts were compared as active phases in classical and O2-assisted Water Gas Shift (WGS) ...

The WGS reaction over multicomponent Au/Ce1-xCuxO2/Al2O3 catalysts is studied in this work. The systems are carefully ...

In this comprehensive review, the main aspects of using Au/CeO2 catalysts in oxidation reactions are considered. The ...

The promoting effect of Sn on the catalytic performance of supported Ni catalyst in the reaction of glycerol steam reforming ...

The use of waste materials generated by construction and demolition industry to yield valuable glassy materials, i.e. ...

Raman spectroscopic technique has been used to characterize a Ru/TiO2 catalyst and to follow in situ their structural ...

Herein, a series of highly efficient gold based catalysts supported on mesoporous CeO2-Fe2O3 mixed oxides for CO elimination ...

Ante la necesidad de encontrar fuentes energéticas alternativas, el vector energético del H2 aparece como una alternativa ...

This chapter presents an illustration of the current state of the art in the development of mechanically and chemically ...

A new approach for understanding PrOx reaction over gold catalysts is proposed in this work. The competition between H2 ...

The CO oxidation activity of 1 wt.% gold catalysts prepared by depositionprecipitation on a series of ceria doped with Zr ...

In this work, the WGS performance of a conventional Ni/CeO2 bulk catalyst is compared to that of a carbon-supported Ni-CeO2 ...

The water-gas shift (WGS) reaction over structured Cu, Ni, and bimetallic Cu-Ni supported on active carbon (AC) catalysts ...

Herein a strategy to design highly efficient Au/CeO2/Al2O3 based WGS catalysts is proposed. The inclusion of transition ...

Two blocks of microreactors composed by 100 microchannels and coated, respectively, with 150 and 300 mg of a CuOx/CeO2 ...

This study proposes a direct synthetic route to single titanate sheets through the mild and versatile conditions of the ...

En el presente trabajo se desarrolla una formulación catalítica activa, selectiva y estable para la reacción de metanación ...

1. Introducción y Objetivo La protección del medio ambiente es uno de los principales problemas a los que se enfrenta el ...

La presente invención tiene por objeto un soporte para catalizador de oro, de fórmula CeO2 MOx/Al2O3, donde el soporte comprende ...

Ce x Zr1−x O2 (x = 0.10, 0.16 and 0.33) nanocrystalline powders were obtained by a two-step synthesis technique and sintered ...

This work presents an evaluation of a high performance series of water gas shift (WGS) catalysts in the preferential CO ...

Hydrogen produced from the conversion of hydrocarbons or alcohols contains variable amounts of CO that should be removed ...

Experimental catalytic activity measurements, Diffuse Reflectance Infrared Fourier Spectroscopy, and Density Functional ...

This work presents a comparison of the gold- and platinum-based catalysts behavior in the water-gas shift (WGS) reaction. ...

The catalytic performance of a CuOx/CeO2 powder catalyst and that of a microchannel reactor or microreactor (MR) coated ...

A computational fluid dynamics (CFD) simulation study of the preferential oxidation of CO (CO-PROX) in microstructured ...

Ceria-based gold catalysts were successfully deposited on ferritic stainless steel (Fecralloy) and aluminium monoliths. ...

In this work the development of gold catalysts, essentially based on γ-alumina with small superficial fraction of Ce-Fe ...

A series of ZnO and Fe 2O 3 modified ceria/alumina supports and their corresponding gold catalyst were prepared and studied ...

The general aspects of the synthesis and characterization results of a CuOx/CeO2 catalyst were presented. In addition the ...

A series of V 2O 5- and Co 3O 4-modified ceria/alumina supports and their corresponding gold catalysts were synthesized ...

The effect of the magnesia loading on the surface structure and catalytic properties of NiSn/MgO-Al2O3 catalysts for ...

Different metallic supports (aluminum foams of 40ppi, honeycomb monolith and micromonolith of 350 and 1180cpsi, respectively) ...

A series of titanium oxide catalysts modified with yttrium has been prepared by sol¿gel method and their structural ...

A kinetic study of the preferential oxidation of CO in H2 rich streams (CO-PrOx) over a cerium-copper oxide (CeCu) and a ...

The present study tries to give an insight to the combination of the homogeneous and heterogeneous catalytic properties ...

The different steps for manufacturing a microchannel reactor for the PROX reaction are discussed. Transient Liquid Phase ...

A series of Zn-modified ceria solids were prepared by thermal decomposition of the corresponding metal propionates. The ...

This work reports the synthesis and characterization of a cerium phosphate supported gold catalyst as well as its catalytic ...

A series of Ce-Fe mixed oxides as well as the pure oxides were synthesized by the microemulsions method. The solid solution ...

Iron-modified ceria supports containing different molar percentages of Fe (0%, 10%, 25%, and 50%) were synthesized by ...

A series of ceria oxides doped with 10 mol.% of Zr, Zn and Fe have been prepared by a pseudo sol-gel method throughout the ...

Controlled drug delivery systems are investigated to increase the chemical stability of the drug and to eliminate the side ...

El catalizador de FCC está constituido por partículas de composición compleja donde el componente activo es una zeolita-Y. ...

En la presente memoria se ha diseñado un acero inoxidable denominado alto silicio en el que, fundamentalmente, se eleva ...

El trabajo de investigacion dividido en dos objetivos, se centra en ampliar el conocimiento básico de unos inoxidables ...

Las técnicas nucleares que utilizan haces de partículas para análisis, caracterización o modificación de materiales (técnicas ...

Molecular dynamics simulations in the microcanonical ensemble of liquid yttrium oxide were performed at a temperature of ...

Son muchos y muy estudiados los fenómenos físicos y químicos en los que un pequeño porcentaje de algún compuesto o elemento ...

El objetivo de esta memoria se centra en la obtención de una metodología que permita simular las propiedades estructurales ...

Molecular-dynamics simulations of the (0001) surface Of Cr2O3 were carried out in the [300-2800 K] range of temperatures ...

The total and partial radial distribution functions g(r) and the corresponding structure factors S(q) were calculated based ...

Molecular-dynamics simulations using a Pauling type pairwise potential have been carried out in order to study the structure ...

La hidrogenación de los óxidos de carbono, especialmente CO, es un campo en el que se ha venido trabajando, extensivamente, ...