A5044992853- Catalytic Processes in Materials Science
- Catalysts for Methane Reforming
- Catalysis and Hydrodesulfurization Studies
- Catalysis for Biomass Conversion
- CO2 Reduction Techniques and Catalysts
- Carbon dioxide utilization in catalysis
- Carbon Dioxide Capture Technologies
- Nanomaterials for catalytic reactions
- Electrocatalysts for Energy Conversion
- Catalysis and Oxidation Reactions
- Ammonia Synthesis and Nitrogen Reduction
- Lignin and Wood Chemistry
- Metal-Organic Frameworks: Synthesis and Applications
- CO2 Sequestration and Geologic Interactions
- Hybrid Renewable Energy Systems
- Thermochemical Biomass Conversion Processes
- MXene and MAX Phase Materials
- Biodiesel Production and Applications
- Asymmetric Hydrogenation and Catalysis
- Microbial Metabolic Engineering and Bioproduction
- Chemical Synthesis and Analysis
- Chemical Looping and Thermochemical Processes
- Membrane Separation and Gas Transport
- Organoboron and organosilicon chemistry
- Biofuel production and bioconversion
Instituto de Ciencia de Materiales de Sevilla
2020-2024
Universidad de Sevilla
2020-2024
University of Surrey
2017-2023
Imperial College London
2020-2022
University of Alicante
2014-2021
Consejo Superior de Investigaciones Científicas
2021
Instituto de Carboquímica
2021
Guildford Hospital
2018-2021
Dalian Institute of Chemical Physics
2019
Chinese Academy of Sciences
2019
This paper evidences the viability of chemical recycling CO2 via reverse water-gas shift reaction using advanced heterogeneous catalysts. In particular, we have developed a multicomponent Fe-Cu-Cs/Al2O3 catalyst able to reach high levels conversions and complete selectivity CO at various conditions (temperature space velocities). addition, excellent activity, novel-Cs doped is fairly stable for continuous operation which suggests its deeper studies in reaction. The catalytic activity this...
In the context of Carbon Capture and Utilisation (CCU), catalytic reduction CO2 to CO via reverse water-gas shift (RWGS) reaction is a desirable route for valorisation. Herein, we have developed highly effective Ni-based catalysts this reaction. Our study reveals that CeO2-Al2O3 an excellent support process helping achieve high degrees conversions. Interestingly, FeOx CrOx, which are well-known active components forward reaction, opposite effects when used as promoters in RWGS The use iron...
CO2 utilisation is becoming an appealing topic in catalysis science due to the urgent need deal with greenhouse gases (GHG) emissions. Herein, dry reforming of methane (DRM) represents a viable route convert and CH4 (two major GHG) into syngas, highly valuable intermediate chemical synthesis. Nickel-based catalysts are economically materials for this reaction, however they show inevitable signs deactivation. In work stabilisation Ni pyrochlore-perovskite structure reported as method prevent...
Mo2C is an effective catalyst for chemical CO2 upgrading via reverse water-gas shift (RWGS). In this work, we demonstrate that the activity and selectivity of system can be boosted by addition promoters such as Cu Cs. The incorporates extra active sites Cu+ Cu° which are essential reaction. Cs underexplored dopant whose marked electropositive character generates electronic perturbations on catalyst’s surface leading to enhanced catalytic performance. Also, Cs-doped seems in-situ activated...
Advanced catalytic technologies are crucial to enable the transition toward a low-carbon industry with minimized CO2 emissions. This paper showcases application of highly effective Ru-promoted Ni-based catalysts for gas-phase upgrading: methanation and reverse water–gas shift. The addition small amounts Ru results in remarkable enhancement conversion selectivity. bimetallic Ru-Ni catalyst displays greater metallic dispersion, tuned electronic properties outstanding stability long-term runs,...
The reverse water gas shift reaction (RWGS) has attracted much attention as a potential means to widespread utilization of CO2 through the production synthesis gas. However, for commercial implementation RWGS at scales needed replace fossil feedstocks with CO2, new catalysts must be developed using earth abundant materials, and these suppress competing methanation completely while maintaining stable performance elevated temperatures high conversions producing large quantities water. Herein...
Advanced catalytic materials able to catalyse more than one reaction efficiently are needed within the CO2 utilisation schemes benefit from end-products flexibility. In this study, combination of Ni and Ru (15 1 wt%, respectively) was tested in three reactions, i.e. dry reforming methane (DRM), reverse water–gas shift (RWGS) methanation. A stability experiment with cycle methanation-RWGS-DRM carried out. Outstanding revealed for hydrogenation reactions as regards DRM, coke formation started...
Herein, the production of synthetic natural gas is proposed as an effective route for CO2 conversion. Typical catalysts this reaction are based on Ni. In study, we demonstrated that addition promoters such iron and cobalt can greatly benefit activity standard Ni methanation catalysts. particular seems to be a very efficient promoter. Our Co doped material outstanding leading high levels conversion with selectivities close 100%. Additionally, catalyst able preserve excellent performance at...
Chemical CO2 upgrading via reverse water gas shift (RWGS) represents an interesting route for phase conversion. Herein, nature inspired clay-based catalysts are used to design highly effective materials, which could make this viable practical applications. Ni and transition metal promoted saponite clays has been developed as the RWGS. Saponite supported NiCu catalyst displayed a remarkable preference formation of CO over CH4 across entire temperature range compared NiCo catalysts. The sample...
The conversion of CO2 into CO via the Reverse Water–Gas Shift (RWGS) reaction is a suitable route for valorisation. Fe-based catalysts are highly active this reaction, but their activity and selectivity can be substantially boosted by adding Cs as promoter. In work we demonstrate that modifies redox behaviour surface chemistry iron-based materials. metallic dispersion amount Fe centres available depends on loading. 5 wt. % an optimum dopant to achieve fair activity/selective balance....
Biogas is a renewable, as well abundant, fuel source which can be utilised in the production of heat and electricity an alternative to fossil fuels. additionally upgraded via dry reforming reactions into high value syngas. Nickel-based catalysts are studied for this purpose but have shown little resilience deactivation caused by carbon deposition. The use bi-metallic formulations, introduction promoters, hence required improve catalytic performance. In study, effect varying compositions...
The rapid increase in the concentration of atmospheric carbon dioxide is one most pressing problems facing our planet.
The reverse water–gas shift reaction (RWGS) represents a direct route for CO2 conversion whose selectivity significantly depends on the selected catalyst. In this work, new family of bimetallic iron–copper oxide catalysts supported ceria-alumina with various Fe/Cu oxides ratios were investigated RWGS reaction. Additionally, bare Fe-based and Bare Cu-based synthesized comparison. Our results demonstrate that developed Fe–Cu present remarkable enhancement catalytic performance when compared to...
This study presents an integrated approach combining aqueous phase reforming (APR) and hydrodeoxygenation (HDO) for the hydrotreatment of guaiacol, a model compound representing lignin-derived phenols in pyrolysis bio-oils. The APR process enables in-situ H2 generation, eliminating need external hydrogen source. We examine interplay between metal species, Pt-promoting effect on Ni–Pt catalyst supported activated carbon (AC), choice source (methanol or glycerol). Amongst monometallic...
This work showcases an innovative route for biocompound upgrading via hydrodeoxygenation (HDO) reactions, eliminating the need external high-pressure hydrogen supply. We propose use of water as reaction media and utilization multifunctional catalysts that are able to conduct multiple steps such activation HDO. In this study, we validate our hypothesis in a batch reactor process using guaiacol model compound multicomponent Ni-based catalysts. particular, comparison between ceria-supported...