alexa Emissions Reduction of Regulated and Unregulated Hydrocarbon, Gases in Gasoline Bi-mode SI/HCCI Engine by TWC Converter
ISSN: 2168-9873

Journal of Applied Mechanical Engineering
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Research Article

Emissions Reduction of Regulated and Unregulated Hydrocarbon, Gases in Gasoline Bi-mode SI/HCCI Engine by TWC Converter

Hasan AO1* and Abu-jrai A2

1Department of Mechanical Engineering, Al-Hussein Bin Talal University, Maan, P.O. Box-20, Jordan

2Department of Environmental Engineering, Al-Hussein Bin Talal University, Maan, P.O. Box-20, Jordan

Corresponding Author:
Hasan AO
Department of Mechanical Engineering
Al-Hussein Bin Talal University
Maan, PO Box-20, Jordan
Tel: 00962777793888
E-mail: [email protected]

Received date: May 13, 2016; Accepted date: June 27, 2016; Published date: June 30, 2016

Citation: Hasan AO, Abu-jrai A (2016) Emissions Reduction of Regulated and Unregulated Hydrocarbon, Gases in Gasoline Bi-mode SI/HCCI Engine by TWC Converter. J Appl Mech Eng 5:224. doi:10.4172/2168-873.1000224

Copyright: © 2016 Hasan AO, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



A specific case of HCCI is gasoline fuelled HCCI. It is attractive due to the simplicity of implementing such a technology into existing SI engines as well as the existing fuelling infrastructure. Lean and highly diluted homogeneous charge compression ignition HCCI engines offer great potential in improving vehicle fuel economy and contribute in reducing CO2 emissions. Gasoline is a complicated mixture of many different hydrocarbons which results in rather poor auto-ignition properties. Hydrocarbons and CO emissions from HCCI engines can be higher than those from spark ignition (SI) engines, especially at low engine load when the EGR rate or the residual gas required to control NOx emission are elevated. Toxic chemicals emitted by SI engines, Carbonyl compounds and poly aromatic hydrocarbons PAH generated by V6 (SI/HCCI) gasoline engine especially in HCCI mode. A qualitative and quantitative analysis of hydrocarbon compounds, alkenes. Alkanes, aromatics and aldehydes was analysed before and after catalyst, alkanes, alkenes and aromatic were conducted using Gas Chromatography-Mass Spectrometry (GC-MS) apparatuses. Aldehydes were conducted using High Performance liquid chromatography (HPLC) on reversed phase. HPLC system, although, bi-functional after treatment, the device will be required to control the regulated and unregulated hydrocarbon, CO, and NOx emissions under lean and stoichiometric (oxygen free) engine operating conditions. This paper describes studies on the regulated and unregulated hydrocarbons, NOx, and CO emissions coming out of HCC/SI gasoline engine. Comparative study of catalyst performance will be analysed under HCCI stoichiometric and SI operation under different engine loads, analysis indicate that, the HC and CO emissions reduction over the prototype catalyst was in the range of 90-95% while the maximum NOx emissions reduction under lean engine operating conditions was in the range of 35-55%. The catalytic converter showed an excellent efficiency of eliminating unregulated hydrocarbons (alkenes, alkanes, and aromatics) and aldehydes compounds; achieved reduction efficiency was up to 92%.


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