Enhanced activity and stability of copper oxide/γ-alumina catalyst in catalytic wet-air oxidation: Critical roles of cerium incorporation

Yongli Zhang,Yanbo Zhou,Chao Peng,Junjun Shi,Qingyu Wang,Lingfeng He,Liang Shi

Applied Surface Science（2018）

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摘要

•Ce-modified Cu/γ-Al2O3 catalyst substantially increases abundant oxygen vacancies.•Formation of CuAl2O4 solid solution leads to a significant decrease in Cu leaching.•Cu/Ce synergistic interactions enhance activity and stability for CWAO.•Reaction mechanism over Cu-Ce-O/γ-Al2O3 catalyst is proposed.

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关键词

Copper oxide/γ-alumina,Cerium modification,Catalytic wet-air oxidation,Kinetics,Stability

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