Improvement of sulfur resistance of Pd/Ce–Zr–Al–O catalysts for CO oxidation

Haebin Shin,Minsung Baek,Youngsoo Ro,Changyeol Song,Kwan Young Lee,In Kyu Song

Applied Surface Science（2018）

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摘要

•A mesoporous CeO2–ZrO2–Al2O3 support was by a sol-gel method (SGCZA).•A mesoporous CeO2–ZrO2–Al2O3 support was by a co-precipitation method (PCZA).•Pd/SGCZA and Pd/PCZA were applied to CO oxidation before and after sulfur aging.•Pd/PCZA showed better activity than Pd/SGCZA before sulfur poisoning.•Pd/SGCZA showed higher CO conversion than Pd/PCZA after sulfur aging.

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关键词

CO oxidation,Sulfur resistance,Pd catalyst,Ceria-Zirconia-Alumina

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