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Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization

The application of a catalytic membrane in the oxidative desulfurization of a multicomponent model diesel formed by most refractory sulfur compounds present in fuel is reported here for the first time. The catalytic membrane was prepared by the impregnation of the active lamellar [Gd(H(4)nmp)(H(2)O)...

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Autores principales: Mirante, Fátima, Mendes, Ricardo F., Faria, Rui G., Cunha-Silva, Luís, Paz, Filipe A. Almeida, Balula, Salete S.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8122353/
https://www.ncbi.nlm.nih.gov/pubmed/33919057
http://dx.doi.org/10.3390/molecules26092404
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author Mirante, Fátima
Mendes, Ricardo F.
Faria, Rui G.
Cunha-Silva, Luís
Paz, Filipe A. Almeida
Balula, Salete S.
author_facet Mirante, Fátima
Mendes, Ricardo F.
Faria, Rui G.
Cunha-Silva, Luís
Paz, Filipe A. Almeida
Balula, Salete S.
author_sort Mirante, Fátima
collection PubMed
description The application of a catalytic membrane in the oxidative desulfurization of a multicomponent model diesel formed by most refractory sulfur compounds present in fuel is reported here for the first time. The catalytic membrane was prepared by the impregnation of the active lamellar [Gd(H(4)nmp)(H(2)O)(2)]Cl·2H(2)O (UAV-59) coordination polymer (CP) into a polymethyl methacrylate (PMMA, acrylic glass) supporting membrane. The use of the catalytic membrane in the liquid–liquid system instead of a powder catalyst arises as an enormous advantage associated with the facility of catalyst handling while avoiding catalyst mass loss. The optimization of various parameters allowed to achieve a near complete desulfurization after 3 h under sustainable conditions, i.e., using an aqueous H(2)O(2) as oxidant and an ionic liquid as extraction solvent ([BMIM]PF(6), 1:0.5 ratio diesel:[BMIM]PF(6)). The performance of the catalytic membrane and of the powdered UAV-59 catalyst was comparable, with the advantage that the former could be recycled successfully for a higher number of desulfurization cycles without the need of washing and drying procedures between reaction cycles, turning the catalytic membrane process more cost-efficient and suitable for future industrial application.
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spelling pubmed-81223532021-05-16 Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization Mirante, Fátima Mendes, Ricardo F. Faria, Rui G. Cunha-Silva, Luís Paz, Filipe A. Almeida Balula, Salete S. Molecules Article The application of a catalytic membrane in the oxidative desulfurization of a multicomponent model diesel formed by most refractory sulfur compounds present in fuel is reported here for the first time. The catalytic membrane was prepared by the impregnation of the active lamellar [Gd(H(4)nmp)(H(2)O)(2)]Cl·2H(2)O (UAV-59) coordination polymer (CP) into a polymethyl methacrylate (PMMA, acrylic glass) supporting membrane. The use of the catalytic membrane in the liquid–liquid system instead of a powder catalyst arises as an enormous advantage associated with the facility of catalyst handling while avoiding catalyst mass loss. The optimization of various parameters allowed to achieve a near complete desulfurization after 3 h under sustainable conditions, i.e., using an aqueous H(2)O(2) as oxidant and an ionic liquid as extraction solvent ([BMIM]PF(6), 1:0.5 ratio diesel:[BMIM]PF(6)). The performance of the catalytic membrane and of the powdered UAV-59 catalyst was comparable, with the advantage that the former could be recycled successfully for a higher number of desulfurization cycles without the need of washing and drying procedures between reaction cycles, turning the catalytic membrane process more cost-efficient and suitable for future industrial application. MDPI 2021-04-21 /pmc/articles/PMC8122353/ /pubmed/33919057 http://dx.doi.org/10.3390/molecules26092404 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Mirante, Fátima
Mendes, Ricardo F.
Faria, Rui G.
Cunha-Silva, Luís
Paz, Filipe A. Almeida
Balula, Salete S.
Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization
title Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization
title_full Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization
title_fullStr Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization
title_full_unstemmed Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization
title_short Membrane-Supported Layered Coordination Polymer as an Advanced Sustainable Catalyst for Desulfurization
title_sort membrane-supported layered coordination polymer as an advanced sustainable catalyst for desulfurization
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8122353/
https://www.ncbi.nlm.nih.gov/pubmed/33919057
http://dx.doi.org/10.3390/molecules26092404
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