Preparation and Catalytic Performance of Supported Copper Catalysts for Hydrochlorination of Acetylene

化学工业与工程

Chemcial Industry and Engineering

2016, Vol. 33

Issue (3) :19-24 DOI: 10.13353/j.issn.1004.9533.20141079

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Preparation and Catalytic Performance of Supported Copper Catalysts for Hydrochlorination of Acetylene

Zhang Xuli¹, Wang Fumin¹, Wang Lu²

1. School of Chemical Engeering and Technology, Tianjin University, Tianjin 300072, China;
2. Binzhou Zhanhong Engineering Management Consulting Co., Ltd, Binzhou 256600, China

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Abstract

The supported copper catalysts for acetylene hydrochlorination reaction were prepared and characterized by TEM analysis. Effects of solvent, pickling solution, Cu loading and calcination temperature on the catalytic performances of supported copper catalysts were studied in detail at an atmospheric fixed bed reactor. With 1 mol/L hydrochloric acid as solvent, 1 mol/L H₃PO₄ as pickling solution, Cu loading of 15% and calcination at 500℃, supported copper catalyst Cu/C was of high dispersity and high catalytic activity for acetylene hydrochlorination. Under the reaction conditions of total gas hourly space velocity (GHSV) of 180 h^-1, V(HCl)/V(C₂H₂)=1.1, Cu loading of 15%, reaction temperature of 180℃, the conversion of acetylene was up to 68%, the selectivity to vinyl chloride was more than 99.5% and a good stability was observed. Under the reaction conditions of 540 h^-1, catalytic activity will decrease due to the aggregation and crystallization of active components.

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	Zhang Xuli
	Wang Fumin
	Wang Lu

Keywords： CuCl₂； acetylene； hydrochlorination； Cu

Received 2014-04-18;

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Zhang Xuli, Wang Fumin, Wang Lu.Preparation and Catalytic Performance of Supported Copper Catalysts for Hydrochlorination of Acetylene[J] Chemcial Industry and Engineering, 2016,V33(3): 19-24

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