Self- regeneration of Au/CeO2 based catalysts with enhanced activity and ultra-stability for acetylene hydrochlorination

Self- regeneration of Au/CeO2 based catalysts with enhanced activity and ultra-stability for acetylene hydrochlorination

Ye, Lin;Duan, Xinping;Wu, Simson;Wu, Tai-Sing;Zhao, Yuxin;Robertson, Alex W.;Chou, Hung-Lung;Zheng, Jianwei;Ayvalı, Tuğçe;Day, Sarah;Tang, Chiu;Soo, Yun-Liang;Yuan, Youzhu;Tsang, Shik Chi Edman;
Nature communications 2019 Vol. 10 pp. 1-10
277
ye2019selfnature

Abstract

Despite the extensive efforts to stabilize Au catalysts for industrial hydrochlorination of acetylene to vinyl chloride the deactivation is not overcome yet. Here, the authors demonstrate that the ceria promotion to Au catalysts affords enhanced activity and stability via formation of Au(0)/Au(I) as new active pairs.

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