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Tesis Doctorals en Xarxa
Doctoral thesis . 2018
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Electrorreducción de dióxido de carbono en fase gas para la producción de hidrocarburos. Gas-phase carbon dioxide electroreduction for the production of hydrocarbons

Authors: Merino García, Iván;

Electrorreducción de dióxido de carbono en fase gas para la producción de hidrocarburos. Gas-phase carbon dioxide electroreduction for the production of hydrocarbons

Abstract

La mitigación del cambio climático representa uno de los principales retos a los que se enfrenta la humanidad. En este contexto, la electrorreducción de CO2 hacia hidrocarburos representa una solución prometedora para disminuir la dependencia de los combustibles fósiles utilizados en la síntesis de productos químicos, ayudando, al mismo tiempo, a mantener el CO2 en un ciclo neutro en carbono. Existen, sin embargo, desafíos importantes para que esta tecnología pueda ser de aplicación, principalmente relacionados con el material catalítico. La presente tesis tiene como objetivo el diseño, puesta a punto y aplicación de un sistema experimental a escala de laboratorio para la valorización electroquímica de CO2 en fase gas hacia hidrocarburos en modo continuo. De este modo, se lleva a cabo un análisis del estado del arte para la valorización de CO2 en reactores electroquímicos de membrana, se diseña y pone a punto un sistema experimental para evaluar la producción de hidrocarburos en una celda de tipo filtro prensa, se estudia la reacción empleando nanopartículas de Cu como material catalítico y diferentes condiciones de operación, se evalúa la selectividad del proceso mediante la variación del tamaño de partícula y se desarrollan materiales bimetálicos basados en Cu para mejorar el proceso electrocatalítico.

The mitigation of climate change represents one of the main challenges for humankind. In this context, the electrochemical CO2 reduction to hydrocarbons represents a promising solution to reduce the reliance on fossil fuels for the synthesis of chemicals, helping to recycle CO2 at the same time. There are, however, important challenges for the applicability of this technology, which are mainly related to the catalytic material. The aim of this PhD Thesis is the design, set-up and application of an experimental system at laboratory scale for the electrochemical gas-phase CO2 valorization to hydrocarbons in continuous mode. Thus, an analysis of the state of the art on electrochemical membrane reactors for CO2 utilization is carried out. In addition, the design and set-up of an experimental system to evaluate the production of hydrocarbons in a filter-press type cell is performed. Moreover, the reaction is studied using Cu nanoparticles as catalytic material and different operating conditions. The selectivity of the process is also evaluated by varying particle size. Finally, the development of Cu-based bimetallic materials is carried out to enhance the electrocatalytic process.

Country
Spain
Keywords

62, Hidrocarburos, 00, 66, Hydrocarbons, Ingeniería Química, Reducción electroquímica de CO2 en fase gas, Gas-phase CO2 electroreduction, Cu electrocatalysts, Cambio climático, Climate change, Reaction selectivity, Electrocatalizadores de Cu, Selectividad de la reacción

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average
Related to Research communities
Energy Research