Kinetics of the propene oxidation over a Pt/alumina catalyst

被引：28
作者：
Benard, Sandrine [1 ]
Baylet, Alexandre [1 ]
Vernoux, Philippe [1 ]
Luis Valverde, Jose [2 ]
Giroir-Fendler, Anne [1 ]
机构：
[1] Univ Lyon 1, UMR CNRS 5256, IRCELYON Inst Rech Catalyse & Environm Lyon, F-69626 Villeurbanne, France
[2] Univ Castilla La Mancha, Fac Quim, Dept Ingn Quim, E-13071 Ciudad Real, Spain
来源：
CATALYSIS COMMUNICATIONS | 2013年 / 36卷
关键词：
Kinetic study; Propene oxidation; Platinum; Langmuir-Hinshelwood model; Molecular propene adsorption; VOLATILE ORGANIC-COMPOUNDS; NOBLE-METAL CATALYSTS; DEEP OXIDATION; N-HEXANE; PLATINUM; TOLUENE; PROPYLENE; COMBUSTION; PALLADIUM; CO;
D O I：
10.1016/j.catcom.2013.03.001
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This article reports the results obtained during the kinetic study of propene total oxidation on a platinum alumina catalyst in excess of oxygen. Reaction partial orders of propene and oxygen exhibited values of about -0.5 and +1, respectively. Propene presented a great inhibitory effect whereas an increase of oxygen concentration promoted the reaction. Based on TPD results, a Langmuir-Hinshelwood LH model considering propene to be adsorbed without dissociation was raised. A good agreement between experimental data and predicted results was observed. The value of the adsorption constants obtained confirmed that oxygen was more weakly adsorbed on the catalyst than propene. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：63 / 66
页数：4
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