A Study on Preferential CO Oxidation over Supported Pt Catalysts to Produce High Purity Hydrogen | Zendy

Kyung-Won Jeon | Zendy; DaeWoon Jeong | Zendy; Won-Jun Jang | Zendy; Hyun-Suk Na | Zendy; HyunSeog Roh | Zendy

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A Study on Preferential CO Oxidation over Supported Pt Catalysts to Produce High Purity Hydrogen

Author(s) -

Kyung-Won Jeon,

DaeWoon Jeong,

Won-Jun Jang,

Hyun-Suk Na,

HyunSeog Roh

Publication year - 2013

Publication title -

journal of hydrogen and new energy

Language(s) - English

Resource type - Journals

eISSN - 2288-7407

pISSN - 1738-7264

DOI - 10.7316/khnes.2013.24.5.353

Subject(s) - catalysis , prox , dispersion (optics) , hydrogen , chemistry , chemical engineering , materials science , platinum , carbon monoxide , organic chemistry , physics , optics , engineering

To develop preferential CO oxidation reaction (PROX) catalyst for small scale hydrogen generation system, supported Pt catalysts have been applied for the target reaction. The supports were systematically changed to optimize supported Pt catalysts. Pt/Al2O3 catalyst showed the highest CO conversion among the catalysts tested in this study. This is due to easier reducibility, the highest dispersion, and smallest particle diameter of Pt/Al2O3. It has been found that the catalytic performance of supported Pt catalysts for PROX depends strongly on the reduction property and depends partly on the Pt dispersion of supported Pt catalysts. Thus, Pt/Al2O3 can be a promising catalyst for PROX for small scale hydrogen generation system.

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