Insights into deactivation mechanism of Pd@CN catalyst in the liquid-phase hydrogenation of phenol to cyclohexanone

Shuo Hu, Xiang Zhang, Zhengyan Qu, Hong Jiang, Yefei Liu, Jun Huang, Weihong Xing, Rizhi Chen

科研成果: 期刊稿件文章同行评审

26 引用 (Scopus)

摘要

The deactivation mechanism of Pd@CN catalyst in the liquid-phase phenol hydrogenation was investigated by designing many experiments. The phenol conversion decreased by 40% through five reaction cycles. The catalyst deactivation could be mainly ascribed to the surface coverage and the pore blockage with organic matters including cyclohexanone and other derivatives. Three after-treatment methods, i.e., water washing, drying and storing in water, strongly affected the catalytic activity of Pd@CN. After the reaction, by storing the recovered Pd@CN catalyst in water, its catalytic performance could be maintained. These findings provide in-depth insights on the deactivation and recycling of Pd@CN catalyst.

源语言英语
页(从-至)333-340
页数8
期刊Journal of Industrial and Engineering Chemistry
53
DOI
出版状态已出版 - 25 9月 2017

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