Adaptive Global Carbon Monoxide Kinetic Mechanism over Platinum/Alumina Catalysts

Catalysts

Christopher Depcik²  Sudarshan Loya²  Anand Srinivasan²  Travis Wentworth¹ 

[1] Department of Chemical and Petroleum Engineering, University of Kansas, 4132 Learned Hall, 1530 W. 15th Street, Lawrence, KS, USA; E-Mails:;Department of Mechanical Engineering, University of Kansas, 3138 Learned Hall, 1530 W. 15th Street, Lawrence, KS, USA; E-Mails:

关键词: adaptive;    kinetics;    oxidation;    detailed;    global;    carbon monoxide;   

DOI  :  10.3390/catal3020517

来源: mdpi

【 摘 要 】

Carbon monoxide (CO) oxidation is one of the more widely researched mechanisms given its pertinence across many industrial platforms. Because of this, ample information exists as to the detailed reaction steps in its mechanism. While detailed kinetic mechanisms are more accurate and can be written as a function of catalytic material on the surface, global mechanisms are more widely used because of their computational efficiency advantage. This paper merges the theory behind detailed kinetics into a global kinetic model for the singular CO oxidation reaction while formulating expressions that adapt to catalyst properties on the surface such as dispersion and precious metal loading. Results illustrate that the model is able to predict the light-off and extinction temperatures during a hysteresis experiment as a function of different inlet CO concentrations and precious metal dispersion.

【 授权许可】

CC BY   
© 2013 by the authors; licensee MDPI, Basel, Switzerland.