2004
DOI: 10.1016/j.apcata.2004.03.044
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Effects of small MoO3 additions on the properties of nickel catalysts for the steam reforming of hydrocarbons

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Cited by 100 publications
(63 citation statements)
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“…In practice, Mo-based materials have been used as catalysts * corresponding author; e-mail: hfigen@yildiz.edu.tr for hydrodesulphurization of petroleum feed stocks and the selective oxidation of alkenes in industrial processes. Unique catalytic functions of molybdenum oxides have recently been reported [7][8][9]. There are many studies that are focused on γ-Al 2 O 3 supported catalysis, although there are only a few studies which involve molybdenum added γ-Al 2 O 3 catalysts for the purpose of hydrogen production reaction.…”
Section: Introductionmentioning
confidence: 99%
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“…In practice, Mo-based materials have been used as catalysts * corresponding author; e-mail: hfigen@yildiz.edu.tr for hydrodesulphurization of petroleum feed stocks and the selective oxidation of alkenes in industrial processes. Unique catalytic functions of molybdenum oxides have recently been reported [7][8][9]. There are many studies that are focused on γ-Al 2 O 3 supported catalysis, although there are only a few studies which involve molybdenum added γ-Al 2 O 3 catalysts for the purpose of hydrogen production reaction.…”
Section: Introductionmentioning
confidence: 99%
“…Molybdenum (Mo) is also an important component, and its physical and catalytic properties have been investigated in detail by Borowiecki et al [7,8]. In practice, Mo-based materials have been used as catalysts * corresponding author; e-mail: hfigen@yildiz.edu.tr for hydrodesulphurization of petroleum feed stocks and the selective oxidation of alkenes in industrial processes.…”
Section: Introductionmentioning
confidence: 99%
“…Formation of whisker carbon will separate the nickel from the catalyst surface 11),12) . To improve the carbon resistance, alkali metals (K, Ca) 13) and transition metals (Mo, W) 14), 15) have been added as carbon inhibitors. Addition of a small amount of platinum as a second metal to the nickel catalyst enabled the formation of a bimetallic structure between Pt and Ni, and suppression of carbon deposition 16) .…”
Section: Introductionmentioning
confidence: 99%
“…El proceso de formación de coque sobre la superficie del catalizador (coque catalítico) tiene lugar mediante el mecanismo descrito a continuación [285][286][287][288][289][290][291][292][293] Relación límite agua/carbono (S/C): Se forma coque por debajo de una determinada relación H 2 O/C que aumenta con la temperatura de reacción y también varía con las características del hidrocarburo alimentado. Por tanto, se puede evitar la formación de carbono manteniendo la relación H 2 O/C por encima de este valor límite.…”
Section: ____________________________________________________________unclassified
“…En estos casos la adición de un diluyente de la corriente del hidrocarburo, como puede ser un exceso de vapor de agua, disminuye su importancia. A pesar de todo, el coque que procede de la fase gas se puede acumular sobre la superficie del catalizador con la consiguiente desactivación del mismo, particularmente en hidrocarburos de mayor peso molecular.El proceso de formación de coque sobre la superficie del catalizador (coque catalítico) tiene lugar mediante el mecanismo descrito a continuación [285][286][287][288][289][290][291][292][293]. El hidrocarburo se adsorbe sobre la superficie del catalizador, más concretamente sobre la superficie del níquel metálico, dónde se disocia produciendo especies de carbono altamente reactivas (C α ) que son probablemente carbono atómico.…”
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