journal article·2023-09-25

MOF-303 as an Effective Adsorbent to Clean CH4: SO2 Capture and Detection

Juan L. Obeso, Eva Martínez-Ahumada, Alfredo López-Olvera, Jose Ortiz-Landeros, Hugo A. Lara-García, Jorge Balmaseda, Salvador López-Morales, Elí Sánchez-González, Diego Solis-Ibarra, Carolina Leyva, Ilich A. Ibarra

ACS Applied Energy Materials· Volume 6· Issue 18
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Abstract

Catalysts for the oxidation of CH4 commonly suffer from poisoning by sulfur-containing molecules, such as H2S and SO2. This is a huge problem in real energy applications. As a possible solution, a material capable of selectively capturing the poisoning SO2 is necessary. In this work, water-stable MOF-303 shows high performance for SO2 capture at low pressures (6.21 mmol·g–1 at 298 K and 0.1 bar), ideal characteristics for the adsorption of trace amounts of SO2. Furthermore, MOF-303 showed high chemical stability toward dry and humid SO2 and a remarkable cycling performance with facile regeneration. In addition, MOF-303 displayed high selectivity toward SO2 over CH4 and CO2. Finally, fluorescence experiments proved that the SO2 detection properties of this MOF material are highly promising, even in the presence of CH4 and CO2.
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Research context

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Gas Sensing Nanomaterials and Sensors · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, Legaria 694, Col. Irrigación, Miguel Hidalgo, Mexico City, CDMX 11500, Mexico

Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, Mexico City 04510, Mexico

Instituto Politécnico Nacional, Escuela Superior de Ingeniería Química e Industrias Extractivas, Departamento de Ingeniería en Metalurgia y Materiales, UPALM-Zacatenco, IPN Avenue, Mexico City 07738, Mexico

Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, Mexico City 0100, Mexico

Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, Mexico City 04510, Mexico

Funding

Direcci?n General de Asuntos del Personal Acad?mico, Universidad Nacional Aut?noma de M?xico · Consejo Nacional de Ciencia y Tecnolog?a

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