Reduction of Diesel Engine’s Particulate Matters using Retrofit CeO 2 Diesel Oxidative Catalyst and Partial Flow Diesel Particulate Filter System

In this research, CeO2 was chosen for the DOC catalyst. Moreover, a partial-flow DPF was installed after DOC. The exhaust gas experiment was conducted at 20% - 50% engine load varying 1000,1500, and 2000 rpm of engine speed. The research results show that NOx reduced around 25% with CeO2 DOC and DPF...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2022-12, Vol.1121 (1), p.12017
Main Authors: Liu, Hai, Charoenphonphanich, Chinda, Karin, Preechar, Srilomsak, Mek, Srimanosaowapak, Sompong, Hanamura, Katsunori
Format: Article
Language:English
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Summary:In this research, CeO2 was chosen for the DOC catalyst. Moreover, a partial-flow DPF was installed after DOC. The exhaust gas experiment was conducted at 20% - 50% engine load varying 1000,1500, and 2000 rpm of engine speed. The research results show that NOx reduced around 25% with CeO2 DOC and DPF systems at higher engine load. On the other hand, particulate matters decrease around 65% after CeO2 DOC and DPF systems. Furthermore, CO and HC amount were substantially reduced after applying after-treatment systems. According to fuel consumption, BSFC, and BTE results, the after-treatment system has no significant impact on engine performance.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1121/1/012017