1992
DOI: 10.1021/j100183a067
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Abstract: Kinetic analysis employing a mechanism that captures the essential surface chemistry of the reaction allows quantitative interpretation of diverse experimental data. This approach is used with a Horiuti-Polanyi mechanism, modified by hydrogen activation steps, to describe the surface chemistry for ethylene hydrogenation over platinum catalysts. In this investigation, kinetic analysis provides a quantitative means of comparing, contrasting, and consolidating results from steady-state kinetic studies, deuterium … Show more

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Cited by 117 publications
(153 citation statements)
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“…Several surface reactions were simulated successfully by microkinetic models [121][122][123][124]. In the case of the ammonia synthesis reaction, detailed nitrogen chemisorption studies over Fe single-crystals revealed the dissociative chemisorption of N 2 as the rate determining step and the parameters for a microkinetic model [117], which was able to correctly extrapolate the catalyst performance to technical reaction conditions [125].…”
Section: Microkinetic Modeling Of Surface Reactionsmentioning
confidence: 99%
“…Several surface reactions were simulated successfully by microkinetic models [121][122][123][124]. In the case of the ammonia synthesis reaction, detailed nitrogen chemisorption studies over Fe single-crystals revealed the dissociative chemisorption of N 2 as the rate determining step and the parameters for a microkinetic model [117], which was able to correctly extrapolate the catalyst performance to technical reaction conditions [125].…”
Section: Microkinetic Modeling Of Surface Reactionsmentioning
confidence: 99%
“…However the second insertion is sometimes regarded as ratelimiting, as in the case of the report of Rekoske et al [53] for hydrogenation of ethylene on Pt, or the report of Corvaisier et al [26] for styrene hydrogenation on different transition metals. In the case of this kinetic study the error difference between models 7 and 8 (χ 2 of model 8 is about 50% higher than χ 2 of model 7) is considered big enough to rule out the possible presence of a mechanism in which the second hydrogenation step is rate-limiting.…”
Section: Kinetic Modelingmentioning
confidence: 99%
“…We notice-that the Tr-bonded ethylene is not the primary adsorbed species on Pt(111) and is only weakly bonded to the surface. This is presumably why ethylene hydrogenation is not sensitive to the Pt surface structure (72)(73)(74).…”
mentioning
confidence: 99%