Artículo
Time-resolved Operando DRIFTS-MS Study of the Moisture Tolerance of Small-pore SAPO-34 Molecular Sieves During CH4/CO2 Separation
Autor/es | Romero, Marta
Navarro de Miguel, Juan Carlos Bobadilla Baladrón, Luis Francisco Domínguez Leal, María Isabel Ivanova, Svetlana Romero Sarria, Francisca Centeno Gallego, Miguel Ángel Odriozola Gordón, José Antonio |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2020 |
Fecha de depósito | 2023-02-10 |
Publicado en |
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Resumen | This study pretends to evaluate and understand the effect of moisture presence during CO2/CH4 separation on small-pore SAPO-34 molecular sieves. Two SAPO-34 samples with different physicochemical properties (composition, ... This study pretends to evaluate and understand the effect of moisture presence during CO2/CH4 separation on small-pore SAPO-34 molecular sieves. Two SAPO-34 samples with different physicochemical properties (composition, crystal size and texture) were prepared by hydrothermal synthesis using either one or a mixture of two templates. Transient operando DRIFTS-MS measurements revealed that the sample's hydrophobic character is associated to the presence of Si islands, which enhanced sample's moisture tolerance during repetitive adsorption/desorption cycles. This knowledge is fundamental to achieve the rational design of efficient SAPO-34 membranes under realistic conditions. |
Agencias financiadoras | Ministerio de Ciencia, Innovación y Universidades (MICINN). España Gobierno de España |
Identificador del proyecto | RTI2018-096294-B-C33
IJCI-2015-26348 |
Cita | Romero, M., Navarro de Miguel, J.C., Bobadilla Baladrón, L.F., Domínguez Leal, M.I., Ivanova, S., Romero Sarria, F.,...,Odriozola Gordón, J.A. (2020). Time-resolved Operando DRIFTS-MS Study of the Moisture Tolerance of Small-pore SAPO-34 Molecular Sieves During CH4/CO2 Separation. Microporous and Mesoporous Materials, 298, 110071. https://doi.org/10.1016/j.micromeso.2020.110071. |
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Time resolved.pdf | 1.611Mb | [PDF] | Ver/ | |