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Preparation, characterization and application of K-PtCo/Al2O3 catalyst coatings for preferential CO oxidation

Xinhai Yu - No affiliation found

2013/08/01 Full-length article DOI: 10.1016/j.apcatb.2013.04.066 Journal: Applied Catalysis B: Environmental

Abstract:

Highlights•Less than 10 ppm CO at a high GHSV under a wide temperature window was achieved.•The favorable role of K is ascribed to its promotional effect on Pt3Co formation.•The K addition rules out a redox equilibrium for Co species.