Artículo
Tailoring structured WGS catalysts: Impact of multilayered concept on the water surface interactions
Autor/es | González Castaño, Míriam
Saché, E. Le Ivanova, Svetlana Romero Sarria, Francisca Centeno Gallego, Miguel Ángel Odriozola Gordón, José Antonio |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2018 |
Fecha de depósito | 2023-04-11 |
Publicado en |
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Resumen | A novel multilayer approach for designing structured WGS catalyst is employed in this study as a response to the
lack of new strategies in the literature. The approach proposes the use of two successive layers with ... A novel multilayer approach for designing structured WGS catalyst is employed in this study as a response to the lack of new strategies in the literature. The approach proposes the use of two successive layers with different functionalities on metallic micromonolith substrate. The WGS catalyst behavior is modulated by the nature of the inner layer which determines the active species surface population by acting on the water activation step. The catalytic promotion attained by introducing inner ceria containing solids with increasing number of oxygen defects is intensely analyzed through FT-IR and H2O-TPD. Several evidences about the participation of the oxygen vacancies, as key sites, for water absorption processes are established. Besides, remarkable relationships between the water absorption strengths and the water splitting processes within their influence on the catalyst performance are also discussed. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) Junta de Andalucía |
Identificador del proyecto | ENE2015-66975-C3-2-R
TEP-8196 |
Cita | González Castaño, M., Saché, E.L., Ivanova, S., Romero Sarria, F., Centeno Gallego, M.Á. y Odriozola Gordón, J.A. (2018). Tailoring structured WGS catalysts: Impact of multilayered concept on the water surface interactions. Applied Catalysis B: Environmental, 222, 124-132. https://doi.org/10.1016/j.apcatb.2017.10.018. |
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