Effects of Supports and Reduction Temperature on Pt Dispersion of HI Decomposition Catalyst

Park, Chu Sik; Park, Eun Jung; Ko, Yun Ki; Kang, Kyung Soo; Cho, Won Chul; Bae, Ki Kwang; Kim, Young Ho

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Paper Title:

Effects of Supports and Reduction Temperature on Pt Dispersion of HI Decomposition Catalyst

Periodical	Advanced Materials Research (Volumes 550 - 553)
Main Theme	Advances in Chemical Engineering II
Edited by	Zili Liu, Feng Peng and Xiaoguo Liu
Pages	392-395
DOI	10.4028/www.scientific.net/AMR.550-553.392
Citation	Eun Jung Park et al., 2012, Advanced Materials Research, 550-553, 392
Online since	July, 2012
Authors	Eun Jung Park, Yun Ki Ko, Chu Sik Park, Kyung Soo Kang, Won Chul Cho, Ki Kwang Bae, Young Ho Kim
Keywords	HI Decomposition, Metal Dispersion, Platinum Catalyst, Reduction Temperature, Supported Catalyst
Price	US$ 28,-

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Abstract

Pt catalysts have been researched and used for HI decomposition. Specifically, the effects of supports and reduction temperature on metal dispersion were investigated in this paper. Metal dispersion was high measured, in the order of Pt/Al₂O₃, Pt/ZrO₂, and Pt/SiO₂. HI conversion results coincided with the metal dispersion. With effect on reduction temperature, Pt dispersion was measured as 2.9 %, 26 %, and 60 % each 1173K, 973K, and 773 K. In addition, HI conversion presented 7.8%, 16.3%, and, 19.4% respectively. Consequently, Pt dispersion, influenced by supports and reduction temperature was considered to be crucial role in HI conversion.