Catalyst Deactivation Simulation Through Carbon Deposition in Carbon Dioxide Reforming over Ni/CaO-Al2O3 Catalyst

Istadi Istadi, Didi D. Anggoro, Nor Aishah Saidina Amin, Dorothy Hoo Wei Ling



Abstract


Major problem in CO2 reforming of methane (CORM) process is coke formation which is a carbonaceous residue that can physically cover active sites of a catalyst surface and leads to catalyst deactivation. A key to develop a more coke-resistant catalyst lies in a better understanding of the methane reforming mechanism at a molecular level. Therefore, this paper is aimed to simulate a micro-kinetic approach in order to calculate coking rate in CORM reaction. Rates of encapsulating and filamentous carbon formation are also included. The simulation results show that the studied catalyst has a high activity, and the rate of carbon formation is relatively low. This micro-kinetic modeling approach can be used as a tool to better understand the catalyst deactivation phenomena in reaction via carbon deposition. Copyright © 2011 BCREC UNDIP. All rights reserved.

(Received: 10th May 2011; Revised: 16th August 2011; Accepted: 27th August 2011)

[How to Cite: I. Istadi, D.D. Anggoro, N.A.S. Amin, and D.H.W. Ling. (2011). Catalyst Deactivation Simulation Through Carbon Deposition in Carbon Dioxide Reforming over Ni/CaO-Al2O3 Catalyst. Bulletin of Chemical Reaction Engineering & Catalysis, 6 (2): 129-136. doi:10.9767/bcrec.6.2.1213.129-136]

[How to Link / DOI: http://dx.doi.org/10.9767/bcrec.6.2.1213.129-136 || or local:  http://ejournal.undip.ac.id/index.php/bcrec/article/view/1213 ]

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Keywords


CO2 reforming of methane; CORM, Ni/CaO-Al2O3, coke formation, micro-kinetic modeling, simulation

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References


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Bulletin of Chemical Reaction Engineering & Catalysis (BCREC: ISSN 1878-2993), published by Department of Chemical Engineering, Diponegoro University
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