Selective oxidation of carbon monoxide in high excess of H2 was examined on noble metal catalysts (Pt, Ru, Pd, Co, and Pt-Ru) supported on mordenite. Pt-Ru/mordenite exhibited fairly high selectivity over a wide flow rate condition even at 150 °C. Thus, it seems to be a promising catalyst for polymer electrolyte fuel cells operated with reformed gas.
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Igarashi et al. (2000) studied this question.
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