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Vol. 25 No. 3 (2013): Vol 25 Issue 3

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Simultaneous Catalytic Removal of NOx and Diesel Soot Particulates Over LaSrBO4 (B = Mn, Cu, Co, Fe) Oxides

https://doi.org/10.14233/ajchem.2013.12954
Z. Ma
Department of Catalysis Science and Technology, School of Chemical Engineering and Technology, Tianjin University, Nankai District, Tianjin, P.R. China
Y.F. Zhu
Department of Catalysis Science and Technology, School of Chemical Engineering and Technology, Tianjin University, Nankai District, Tianjin, P.R. China
T. Ding
Department of Catalysis Science and Technology, School of Chemical Engineering and Technology, Tianjin University, Nankai District, Tianjin, P.R. China
Y.N. Qin
Department of Catalysis Science and Technology, School of Chemical Engineering and Technology, Tianjin University, Nankai District, Tianjin, P.R. China
Z.J. Li
State Key Laboratory of Engines, Tianjin University, Tianjin 300072, P.R. China

Corresponding Author(s) : Z. Ma

mazhi@tju.edu.cn

Asian Journal of Chemistry, Vol. 25 No. 3 (2013): Vol 25 Issue 3

Abstract

A series of LaSrBO4 complex oxides were prepared by the citric acid complexion and characterized by XRD, XPS, H2-TPR, NO-TPD and catalytic activity experiments. According to the investigations, LaSrMnO4 shows the best performance, the maximum conversion rate from NO to N2 is up to 69 %. The existence of oxygen is very important for the simultaneous removal of NOx and diesel soot particulates. The low temperature desorbed NO species would mainly influence the N2 yield. The mobility of adsorbed oxygen species would mainly influence the selectivity of the reaction.

Keywords

Diesel soot Nitrogen oxide Simultaneous removal K2NiF4-type oxides
Ma, Z., Zhu, Y., Ding, T., Qin, Y., & Li, Z. (2012). Simultaneous Catalytic Removal of NOx and Diesel Soot Particulates Over LaSrBO4 (B = Mn, Cu, Co, Fe) Oxides. Asian Journal of Chemistry, 25(3), 1293–1297. https://doi.org/10.14233/ajchem.2013.12954
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