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http://dx.doi.org/10.9713/kcer.2018.56.2.281

Combustion of Diesel Particulate Matters under Mixed Catalyst System of Fuel-Borne Catalyst and Perovskite: Influence of Composition of Perovskite (La1-x A'xBO3: A' = K, Sr; 0 ≤ x ≤ 1; B = Fe, Cr, Mn) on Combustion Activity  

Lee, Dae-Won (Department of Chemical Engineering, Kangwon National University)
Sung, Ju Young (Department of Chemical and Biological Engineering, Korea University)
Lee, Kwan-Young (Department of Chemical and Biological Engineering, Korea University)
Publication Information
Korean Chemical Engineering Research / v.56, no.2, 2018 , pp. 281-290 More about this Journal
Abstract
As the internal combustion engine vehicles of high fuel efficiency and low emission are demanded, it becomes important to procure technologies for improving low-temperature performance of automotive catalyst systems. In this study, we showed that the combustion rate of diesel particulate matter is greatly enhanced at low temperature by applying fuel-borne catalyst and perovskite catalyst concurrently. It was tried to examine the correlation between elemental composition of perovskite catalyst and combustion activity of mixed catalyst system. To achieve this goal, we applied temperature-programmed oxidation technique in testing the combustion behavior of perovskite-mixed particulate matter bed which contained the element of fuel-borne catalyst or not. We tried to explain the synergetic action of two catalyst components by comparing the trends of concentrations of carbon dioxide and nitrogen oxide in temperature-programmed oxidation results.
Keywords
Diesel aftertreatment; Particulate matters (PM); Perovskite; Fuel-borne catalyst (FBC); Diesel particulate filter (DPF);
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Times Cited By KSCI : 1  (Citation Analysis)
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