Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction

Monometallic copper and nickel catalysts supported on cerium-manganese mixed oxides are prepared, characterized and evaluated for the Water-Gas Shift (WGS) reaction. Active metal loading of 2.5 wt% and 7.5 wt% are used to impregnate MnOx-CeO2 supports with 30% and 50% Mn:Ce molar ratio. The structur...

Descripción completa

Guardado en:
Detalles Bibliográficos
Publicado: 2014
Materias:
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03603199_v39_n16_p8675_PoggioFraccari
http://hdl.handle.net/20.500.12110/paper_03603199_v39_n16_p8675_PoggioFraccari
Aporte de:
id paper:paper_03603199_v39_n16_p8675_PoggioFraccari
record_format dspace
spelling paper:paper_03603199_v39_n16_p8675_PoggioFraccari2023-06-08T15:34:41Z Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction Cerium Fuel cells Hydrogen purification Ilmenite Manganese Spinel Catalysts Cerium Fuel cells Ilmenite Manganese Manganese oxide Metals Water gas shift Catalytic behavior Copper and nickel catalysts Hydrogen purification Ilmenite structure Metal-support interactions Spinel Water-gas shift reaction (WGS) Water-gas-shift reactions Loading Monometallic copper and nickel catalysts supported on cerium-manganese mixed oxides are prepared, characterized and evaluated for the Water-Gas Shift (WGS) reaction. Active metal loading of 2.5 wt% and 7.5 wt% are used to impregnate MnOx-CeO2 supports with 30% and 50% Mn:Ce molar ratio. The structure of the samples strongly depends on both the active metal employed and the manganese content in the mixed support. For both Cu and Ni samples, the best catalytic behavior is found in samples supported on the MnOx-CeO2 oxides with 30% Mn:Ce molar ratio, as a result of the presence of CuxMnyO4 spinel-type phases in the case of copper catalysts and the presence of a NiMnO3 mixed oxide with defect ilmenite structure in the case of nickel catalysts. © 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03603199_v39_n16_p8675_PoggioFraccari http://hdl.handle.net/20.500.12110/paper_03603199_v39_n16_p8675_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
Fuel cells
Hydrogen purification
Ilmenite
Manganese
Spinel
Catalysts
Cerium
Fuel cells
Ilmenite
Manganese
Manganese oxide
Metals
Water gas shift
Catalytic behavior
Copper and nickel catalysts
Hydrogen purification
Ilmenite structure
Metal-support interactions
Spinel
Water-gas shift reaction (WGS)
Water-gas-shift reactions
Loading
spellingShingle Cerium
Fuel cells
Hydrogen purification
Ilmenite
Manganese
Spinel
Catalysts
Cerium
Fuel cells
Ilmenite
Manganese
Manganese oxide
Metals
Water gas shift
Catalytic behavior
Copper and nickel catalysts
Hydrogen purification
Ilmenite structure
Metal-support interactions
Spinel
Water-gas shift reaction (WGS)
Water-gas-shift reactions
Loading
Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction
topic_facet Cerium
Fuel cells
Hydrogen purification
Ilmenite
Manganese
Spinel
Catalysts
Cerium
Fuel cells
Ilmenite
Manganese
Manganese oxide
Metals
Water gas shift
Catalytic behavior
Copper and nickel catalysts
Hydrogen purification
Ilmenite structure
Metal-support interactions
Spinel
Water-gas shift reaction (WGS)
Water-gas-shift reactions
Loading
description Monometallic copper and nickel catalysts supported on cerium-manganese mixed oxides are prepared, characterized and evaluated for the Water-Gas Shift (WGS) reaction. Active metal loading of 2.5 wt% and 7.5 wt% are used to impregnate MnOx-CeO2 supports with 30% and 50% Mn:Ce molar ratio. The structure of the samples strongly depends on both the active metal employed and the manganese content in the mixed support. For both Cu and Ni samples, the best catalytic behavior is found in samples supported on the MnOx-CeO2 oxides with 30% Mn:Ce molar ratio, as a result of the presence of CuxMnyO4 spinel-type phases in the case of copper catalysts and the presence of a NiMnO3 mixed oxide with defect ilmenite structure in the case of nickel catalysts. © 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
title Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction
title_short Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction
title_full Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction
title_fullStr Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction
title_full_unstemmed Cu/MnOx-CeO2 and Ni/MnOx-CeO2 catalysts for the water-gas shift reaction: Metal-support interaction
title_sort cu/mnox-ceo2 and ni/mnox-ceo2 catalysts for the water-gas shift reaction: metal-support interaction
publishDate 2014
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03603199_v39_n16_p8675_PoggioFraccari
http://hdl.handle.net/20.500.12110/paper_03603199_v39_n16_p8675_PoggioFraccari
_version_ 1768544821588262912