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Catalysts 2017, 7(1), 17; doi:10.3390/catal7010017

Hydrochlorination of Acetylene Catalyzed by an Activated Carbon-Supported Ammonium Hexachlororuthenate Complex

School of Chemical Engineering & Technology, Tianjin University, Tianjin 300350, China
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Academic Editors: Albert Demonceau, Ileana Dragutan and Valerian Dragutan
Received: 2 November 2016 / Revised: 21 December 2016 / Accepted: 28 December 2016 / Published: 10 January 2017
(This article belongs to the Special Issue Ruthenium Catalysts)
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Abstract

Ammonium hexachlororuthenate ((NH4)2RuCl6) complex was used as a catalyst precursor and coconut activated carbon (AC) was used as the support in the preparation process of the Ru-based catalyst. (NH4)2RuCl6/AC catalyst was prepared via an incipient wetness impregnation method and assessed in an acetylene hydrochlorination reaction. Meanwhile, the (NH4)2RuCl6/AC catalyst was analyzed with low-temperature N2 adsorption/desorption, thermogravimetry (TG), transmission electron microscopy (TEM), temperature programmed reduction (TPR), X-ray photoelectron spectra (XPS), and temperature programmed desorption (TPD) techniques. Catalytic performance test results show that the (NH4)2RuCl6/AC catalyst exhibits a superior catalytic activity with the highest acetylene conversion of 90.5% under the conditions of 170 °C and an acetylene gas hourly space velocity of 180 h−1. The characterization results illustrate that the presence of the NH4+ cation can inhibit coke deposition as well as the agglomeration of ruthenium particles, and it can also enhance the adsorption ability for reactant HCl, hence improving the catalytic activity and stability. View Full-Text
Keywords: acetylene hydrochlorination; Ru complex catalysts; heterogeneous catalysis acetylene hydrochlorination; Ru complex catalysts; heterogeneous catalysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gu, J.; Gao, Y.; Zhang, J.; Li, W.; Dong, Y.; Han, Y. Hydrochlorination of Acetylene Catalyzed by an Activated Carbon-Supported Ammonium Hexachlororuthenate Complex. Catalysts 2017, 7, 17.

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