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Issue 37, 2020
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Synergistic effect of two action sites on a nitrogen-doped carbon catalyst towards acetylene hydrochlorination

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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

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Article information


Submitted
30 Jul 2020
Accepted
07 Sep 2020
First published
08 Sep 2020

Phys. Chem. Chem. Phys., 2020,22, 20995-20999
Article type
Communication

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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