Kinetic Modeling of C3H6 Inhibition on NO Oxidation over Pt Catalyst

*Muhammad Mufti Azis  -  Chemical Engineering Department, Faculty of Engineering, Gadjah Mada University, Jl. Grafika No. 2, Kampus UGM, Yogyakarta, Indonesia
Derek Creaser  -  Chemical Engineering, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg, SE-41296, Sweden
Received: 10 Nov 2015; Revised: 1 Feb 2016; Accepted: 1 Feb 2016; Published: 1 Apr 2016; Available online: 10 Mar 2016.
Open Access Copyright (c) 2016 Bulletin of Chemical Reaction Engineering & Catalysis
License URL: http://creativecommons.org/licenses/by-sa/4.0

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Abstract

Exhaust after treatment for lean burn and diesel engine is a complex catalytic system that consists of a number of catalytic units. Pt/Al2O3 is often used as a model Diesel Oxidation Catalyst (DOC) that plays an important role to facilitate oxidation of NO to NO2. In the present study, we proposed a detailed kinetic model of NO oxidation as well as low temperature C3H6 inhibition to simulate temperature-programmed reaction (TPR) data for NO oxidation over Pt/Al2O3. A steady-state microkinetic model based on Langmuir-Hinshelwood mechanism for NO oxidation was proposed. In addition, low temperature C3H6 inhibition was proposed as a result of site blocking as well as surface nitrite consumption. The model can explain the experimental data well over the studied temperature range. Copyright © 2016 BCREC GROUP. All rights reserved

Received: 10th November 2015; Revised: 1st February 2016; Accepted: 1st February 2016

How to Cite: Azis, M.M., Creaser, D. (2016). Kinetic Modeling of C3H6 Inhibition on NO Oxidation over Pt Catalyst. Bulletin of Chemical Reaction Engineering & Catalysis, 11 (1): 27-33. (doi:10.9767/bcrec.11.1.412.27-33)

Permalink/DOI: http://dx.doi.org/10.9767/bcrec.11.1.412.27-33

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Keywords: microkinetic modeling; DOC catalyst; NO oxidation; C3H6 inhibition

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Article Info
Section: The 2nd International Conference on Chemical and Material Engineering 2015
In 2016: BCREC Volume 11 Issue 1 Year 2016 (SCOPUS and Web of Science Indexed, April 2016)
Statistics: 1345 509
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