Citation: Zhi Chao Wang, Lai Jun Wang, Ping Zhang, Song Zhe Chen, Jing Ming Xu, Jing Chen. Effect of preparation methods on Pt/alumina catalysts for the hydrogen iodide catalytic decomposition[J]. Chinese Chemical Letters, ;2009, 20(1): 102-105. doi: 10.1016/j.cclet.2008.09.059 shu

Effect of preparation methods on Pt/alumina catalysts for the hydrogen iodide catalytic decomposition

Laboratory 201, Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 102201, China

Received Date: 17 June 2008

Fund Project: The authors are grateful to the Foundational Research Project of National Defence (No. A1420080145) for the financial support.

Three kinds of Pt/alumina catalysts were prepared by impregnation-hydrogen reduction, impregnation-hydrazine reduction and electroless plating methods. Their differences in the structures, specific areas and particle sizes were characterized by XRD, BET and TEM, respectively. Furthermore, their catalytic activities for the hydrogen iodide (HI) decomposition were evaluated in a fixed bed reactor. The results show that the catalyst 5%Pt/Al₂O₃ prepared by the electroless plating has the optimum catalytic properties for HI decomposition owing to the high dispersion of the platinum nano-particles (<5 nm) on the alumina supports.
- Hydrogen iodide,
- Catalytic decomposition,
- Pt/Al₂O₃,
- Preparation methods
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