Preparation of monolithic Pt–Pd bimetallic catalyst and its performance in catalytic combustion of benzene series
2013
Jiang, Lu | Yang, Ne | Zhu, Jiqin | Song, Chunyu
The monolithic Pt–Pd bimetallic catalysts supported on γ-Al₂O₃ using cordierite honeycomb ceramics as the first carrier are prepared by thermal adsorption method and characterized by XRD and SEM. The activities of the prepared catalysts are evaluated in a fixed bed reactor. It is determined that the suitable content of Pt–Pd is 0.1%, the molar ratio of additives Ce and Zr is 3:1 and their total content is 1%, the calcination temperature is lower than 500°C. The comparison between the prepared catalyst and the commercial catalyst are made. It is found the prepared catalyst shows higher activity and stability.
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