Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria

Proton-exchange membrane fuel cells are of great interest for vehicular applications. A highly pure, sustainably obtained H2 stream is desirable to use as the cell feed. In the water gas shift (WGS) process, large amounts of CO, which is a poison for the cell anode, are removed from a bioalcohol-der...

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Detalles Bibliográficos
Publicado:	2018
Materias:	Cerium Copper Heterogeneous catalysis Lanthanum Nickel Supported catalysts
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14341948_v2018_n24_p2865_PoggioFraccari http://hdl.handle.net/20.500.12110/paper_14341948_v2018_n24_p2865_PoggioFraccari
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_14341948_v2018_n24_p2865_PoggioFraccari
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spelling	paper:paper_14341948_v2018_n24_p2865_PoggioFraccari2023-06-08T16:14:28Z Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria Cerium Copper Heterogeneous catalysis Lanthanum Nickel Supported catalysts Proton-exchange membrane fuel cells are of great interest for vehicular applications. A highly pure, sustainably obtained H2 stream is desirable to use as the cell feed. In the water gas shift (WGS) process, large amounts of CO, which is a poison for the cell anode, are removed from a bioalcohol-derived H2 stream before it enters the cell. In this study, Cu–Ni catalysts supported on La-doped ceria were analyzed and studied in the WGS reaction. The supports were prepared by the urea thermal decomposition method with different percentages of La as a promoter of ceria. The metal phase was incorporated by incipient wet impregnation. Many characterization techniques were employed in this work (BET, XRD, SEM, ICP, TPR, OSC), and the relationship between the resulting properties and catalytic performance was investigated to determine the effect of La. A mixture of Cu and Ni was found to be the most effective active phase, having considerable activity and selectivity towards the desired reaction. Low degrees of La doping in ceria enhance oxygen mobility in the lattice. A commercial Ce salt containing La as its main impurity (ca. 2 %) is a convenient precursor, given its good performance and low cost compared to a high-purity salt. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim 2018 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14341948_v2018_n24_p2865_PoggioFraccari http://hdl.handle.net/20.500.12110/paper_14341948_v2018_n24_p2865_PoggioFraccari
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Cerium Copper Heterogeneous catalysis Lanthanum Nickel Supported catalysts
spellingShingle	Cerium Copper Heterogeneous catalysis Lanthanum Nickel Supported catalysts Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria
topic_facet	Cerium Copper Heterogeneous catalysis Lanthanum Nickel Supported catalysts
description	Proton-exchange membrane fuel cells are of great interest for vehicular applications. A highly pure, sustainably obtained H2 stream is desirable to use as the cell feed. In the water gas shift (WGS) process, large amounts of CO, which is a poison for the cell anode, are removed from a bioalcohol-derived H2 stream before it enters the cell. In this study, Cu–Ni catalysts supported on La-doped ceria were analyzed and studied in the WGS reaction. The supports were prepared by the urea thermal decomposition method with different percentages of La as a promoter of ceria. The metal phase was incorporated by incipient wet impregnation. Many characterization techniques were employed in this work (BET, XRD, SEM, ICP, TPR, OSC), and the relationship between the resulting properties and catalytic performance was investigated to determine the effect of La. A mixture of Cu and Ni was found to be the most effective active phase, having considerable activity and selectivity towards the desired reaction. Low degrees of La doping in ceria enhance oxygen mobility in the lattice. A commercial Ce salt containing La as its main impurity (ca. 2 %) is a convenient precursor, given its good performance and low cost compared to a high-purity salt. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
title	Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria
title_short	Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria
title_full	Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria
title_fullStr	Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria
title_full_unstemmed	Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria
title_sort	low-cost catalysts for the water gas shift reaction based on cu–ni on la-promoted ceria
publishDate	2018
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14341948_v2018_n24_p2865_PoggioFraccari http://hdl.handle.net/20.500.12110/paper_14341948_v2018_n24_p2865_PoggioFraccari
_version_	1768545477955944448

Low-Cost Catalysts for the Water Gas Shift Reaction Based on Cu–Ni on La-Promoted Ceria

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