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Title: Hydrothermal synthesis, characterization and acid catalytic activity of nano Ce-La oxide powder
Authors: Hu, Yucai
Yin, Ping
Liang, Tao
Zhang, Jiang
Zhu, Dangdong
Issue Date: Aug-2007
Publisher: CSIR
IPC Code: Int. Cl. ⁸ B01J23/10; B01J37/00
Abstract: Ce-La oxide powder has been synthesized by hydrothermal method at 250ºC using cerous nitrate, lanthanum nitrate and hydrazine hydrate as raw materials and characterized by X-ray diffraction, transmission electron microscopy and infrared spectra. The acid catalytic performance of the sample has been investi-gated in the reaction of acetic acid and n-butyl alcohol. The results show that La³⁺ is embedded into the cubic crystal lattice of CeO₂ and forms a homogeneous solid structure. The particle diameter of sample is less than 50 nm. Ce-La oxide solid solution possesses higher acid catalytic performance and its catalytic mechanism is of the proton acid catalysis type.
Page(s): 1270-1272
ISSN: 0376-4710
Appears in Collections:IJC-A Vol.46A(08) [August 2007]

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