Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 56, Issue -, Pages 120-128Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.07.004
Keywords
Double perovskite; Copper chloride; Complex oxide; Ethane oxychlorination
Funding
- National Natural Science Foundation of China [21566027]
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Supported perovskite-type catalyst La2AlCoO6-CuCl2-gamma-Al2O3 was synthesized by impregnation-solgel-mechanical-mixing methods and characterized by means of XRD, BET, H-2-TPR, XPS, O-2-TPD and TG-DSC techniques. It is found that there is a strong interaction between La2AlCoO6 and CuCl2. The catalyst La2AlCoO6-CuCl2-gamma-Al2O3 reduces the reduction activation energy of Cu2+ -> Cu+ and increases the amount of surface adsorbed oxygen species, which are advantageous to the transition of redox group Cue (+)/Cu+, therefore promote the catalytic performance. The catalyst La2AlCoO6-CuCl2-gamma-Al2O3 shows a superior catalytic activity for ethane oxychlorination with the C2H6 conversion of 100% and the C2H3Cl selectivity to 43.8%. (C) 2017 Published by Elsevier B.V. on behalf of The Korean Society of Industrial and Engineering Chemistry.
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