Issue 37, 2020

Synergistic effect of two action sites on a nitrogen-doped carbon catalyst towards acetylene hydrochlorination

Abstract

Whether the reaction pathway is steady or dynamic over the whole life cycle of a catalyst process can facilitate our understanding of its catalytic behavior. Herein, the dynamic reaction pathways of nitrogen-doped carbon catalysts are investigated in acetylene hydrochlorination. When triggered, the reaction follows the LangmuirHinshelwood mechanism with pyrrolic N and pyridinic N as dual active sites. However, pyridinic N is deactivated first, due to the strong adsorption of hydrogen chloride, causing the reaction to further run with pyrrolic N as the single active site and follow the EleyRideal mechanism. This work provides a new promising way to study the catalytic behavior of nitrogen-doped carbon catalysts.

Graphical abstract: Synergistic effect of two action sites on a nitrogen-doped carbon catalyst towards acetylene hydrochlorination

Supplementary files

Article information

Article type
Communication
Submitted
30 Maw 2020
Accepted
07 Ndz 2020
First published
08 Ndz 2020

Phys. Chem. Chem. Phys., 2020,22, 20995-20999

Synergistic effect of two action sites on a nitrogen-doped carbon catalyst towards acetylene hydrochlorination

B. Wang, Y. Yue, X. Pang, W. Zhu, Z. Chen, S. Shao, T. Wang, Z. Pan, X. Li and J. Zhao, Phys. Chem. Chem. Phys., 2020, 22, 20995 DOI: 10.1039/D0CP04043F

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