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Activated Carbon Loaded Hexaethylphosphoroustriamide Copper Chloride Catalyzed Acetylene Hydrochlorination Reaction

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Abstract

Activated carbon loaded hexaethylphosphoroustriamide (HEPT) copper chloride catalyst was prepared by the impregnation method. The catalytic performance of this catalyst was tested in the acetylene hydrochlorination reaction and compared with that of the activated carbon loaded copper chloride catalyst. At the condition of 140°C, volume space-time velocity of C2H2 on unit mass catalyst of 50 h−1, molar ratio of HCl to C2H2 of 1.05:1 and real copper loading (w) of 12.85%, C2H2 conversion of 90.17% and vinyl chloride selectivity of 95.47% were achieved. Under the same reaction conditions, its catalytic performance is better than that of the activated carbon supported copper chloride catalyst. Through X-ray diffraction (XRD), scanning electron microscope with energy dispersive X-ray (SEM-EDX), X-ray photoelectron spectroscopy (XPS), temperature-programmed desorption (TPD), infrared spectroscopy (IR), inductively coupled plasma atomic emission spectroscopy (ICP-AES) characterization methods, it can be confirmed that the catalyst with HEPT has stronger adsorption capacity of hydrogen chloride, which can reduce the reduction of Cu2+ species, which is responsible for the enhancement of the catalytic performance.

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Funding

We would like to acknowledge the financial supports for this work provided by Liaoning Provincial Department of Education (No. LJKMZ 20220764), Liaoning BaiQianWan Talents Program (2020B085), Liaoning Provincial Science and Technology Department, Applied Basic Research Program Project (2023JH2/101300006).

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Authors and Affiliations

  1. School of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang, 110142, Liaoning, China

    Li Zhang, Jinqi Zhang & Ying Zhang

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  1. Li Zhang
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  2. Jinqi Zhang
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  3. Ying Zhang
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Correspondence to Ying Zhang.

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Zhang, L., Zhang, J. & Zhang, Y. Activated Carbon Loaded Hexaethylphosphoroustriamide Copper Chloride Catalyzed Acetylene Hydrochlorination Reaction. Russ J Appl Chem 95, 1738–1747 (2022). https://doi.org/10.1134/S1070427222110088

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