M/Gd 0.1 Ti 0.1 Zr 0.1 Ce 0.7 O 2 catalysts where M is Pt, Pd, or Pt–Pd in CO oxidation

被引:2
作者
Liberman E.Y. [1 ]
Zagaynov I.V. [2 ]
Koneva E.A. [1 ]
机构
[1] Mendeleev University of Chemical Technology of Russia, Moscow
[2] Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Moscow
关键词
Ceria; CO oxidation; Palladium; Platinum; Solid solution;
D O I
10.1134/S2075113318020181
中图分类号
学科分类号
摘要
Catalysts where the support was a nanodisperse solid solution of Gd 0.1 Ti 0.1 Zr 0.1 Ce 0.7 O 2 and the active component was Pd, Pt, or Pd–Pt were obtained. The support was synthesized by co-precipitation with sonication. Palladium and platinum acetylacetonates were used as the precursors. The samples were studied by X-ray powder diffraction (XRD), X-ray fluorescence (XRF), transmission electron microscopy (TEM), and low-temperature nitrogen adsorption. The catalytic activity of the resulting samples in CO oxidation was measured by the flow method. Palladium-containing sample was the most active. The temperature of complete CO oxidation increases in the order Pd > Pd–Pt > Pt. The synthesized catalysts are of interest in detoxification of gas emissions. © A.V. Alekseev, D.Yu. Dubov, M.R. Predtechenskiy, 2017 and Pleiades Publishing, Ltd., 2018.
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页码:239 / 242
页数:3
相关论文
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