Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts

Ethanol gasification using Cu-Ni-K/γ-Al2O3 catalysts was studied. The reaction was carried out at a low temperature (300°C) and atmospheric pressure. The influence of the diffusional effects, the residence time and the water/ethanol molar ratio in the feed on the ethanol conversion and on the produc...

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Detalles Bibliográficos
Publicado: 2004
Materias:
Catalysts
Copper
Dehydrogenation
Diffusion
Ethanol
Gasification
Nickel
Particles (particulate matter)
Reaction kinetics
Synthesis (chemical)
Water
Diffusional resistance
Residence times
Hydrogen fuels
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03603199_v29_n1_p67_Marino
http://hdl.handle.net/20.500.12110/paper_03603199_v29_n1_p67_Marino
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_03603199_v29_n1_p67_Marino
record_format dspace
spelling paper:paper_03603199_v29_n1_p67_Marino2023-06-08T15:34:37Z Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts Catalysts Copper Dehydrogenation Diffusion Ethanol Gasification Nickel Particles (particulate matter) Reaction kinetics Synthesis (chemical) Water Diffusional resistance Residence times Hydrogen fuels Ethanol gasification using Cu-Ni-K/γ-Al2O3 catalysts was studied. The reaction was carried out at a low temperature (300°C) and atmospheric pressure. The influence of the diffusional effects, the residence time and the water/ethanol molar ratio in the feed on the ethanol conversion and on the product distribution was analysed. Additional experiments were performed with monometallic catalysts, such as Cu-K/γ-Al 2O3 and Ni-K/γ-Al2O3 catalysts. Ethanol gasification is favoured by a diminution of the diffusional resistances, high residence time and low water to ethanol feed ratio. A probable reaction mechanism is postulated, which is consistent with the experimental results and let identify the function of each metal (copper and nickel). © 2003 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved. 2004 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03603199_v29_n1_p67_Marino http://hdl.handle.net/20.500.12110/paper_03603199_v29_n1_p67_Marino
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Catalysts
Copper
Dehydrogenation
Diffusion
Ethanol
Gasification
Nickel
Particles (particulate matter)
Reaction kinetics
Synthesis (chemical)
Water
Diffusional resistance
Residence times
Hydrogen fuels
spellingShingle Catalysts
Copper
Dehydrogenation
Diffusion
Ethanol
Gasification
Nickel
Particles (particulate matter)
Reaction kinetics
Synthesis (chemical)
Water
Diffusional resistance
Residence times
Hydrogen fuels
Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts
topic_facet Catalysts
Copper
Dehydrogenation
Diffusion
Ethanol
Gasification
Nickel
Particles (particulate matter)
Reaction kinetics
Synthesis (chemical)
Water
Diffusional resistance
Residence times
Hydrogen fuels
description Ethanol gasification using Cu-Ni-K/γ-Al2O3 catalysts was studied. The reaction was carried out at a low temperature (300°C) and atmospheric pressure. The influence of the diffusional effects, the residence time and the water/ethanol molar ratio in the feed on the ethanol conversion and on the product distribution was analysed. Additional experiments were performed with monometallic catalysts, such as Cu-K/γ-Al 2O3 and Ni-K/γ-Al2O3 catalysts. Ethanol gasification is favoured by a diminution of the diffusional resistances, high residence time and low water to ethanol feed ratio. A probable reaction mechanism is postulated, which is consistent with the experimental results and let identify the function of each metal (copper and nickel). © 2003 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
title Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts
title_short Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts
title_full Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts
title_fullStr Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts
title_full_unstemmed Hydrogen production via catalytic gasification of ethanol. A mechanism proposal over copper-nickel catalysts
title_sort hydrogen production via catalytic gasification of ethanol. a mechanism proposal over copper-nickel catalysts
publishDate 2004
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03603199_v29_n1_p67_Marino
http://hdl.handle.net/20.500.12110/paper_03603199_v29_n1_p67_Marino
_version_ 1768543899242987520

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