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Dehydrogenation Catalysts for Synthesis of O-Phenylphenol via Cu/Ni/Mg/Al Hydrotalcite-Like Compounds as Precursors

College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
Département de Chimie, Université Laval, Québec, QC G1K 7P4, Canada
Author to whom correspondence should be addressed.
Catalysts 2018, 8(5), 186;
Received: 19 February 2018 / Revised: 23 April 2018 / Accepted: 28 April 2018 / Published: 2 May 2018
PDF [5906 KB, uploaded 2 May 2018]


A series of copper containing catalysts were prepared by calcination of Cu/Ni/Mg/Al hydrotalcite-like precursors, using the coprecipitation method. The materials were characterized and show a well-crystallized layered structure of hydrotalcite with smaller Cu0 particles. We also studied their catalytic performance for conversion of 2-(1-cyclohexenyl) cyclohexanone into o-phenylphenol. The catalysts containing Ni showed higher catalytic activity; the optimum stability occurred when the Ni2+:(Ni2+ + Cu2+) atomic ratio was 0.4. The combination of Cu and Ni can greatly improve the stability and activities of the catalyst. View Full-Text
Keywords: dehydrogenation; Cu/Ni/Mg/Al; hydrotalcite; ortho-phenylphenol dehydrogenation; Cu/Ni/Mg/Al; hydrotalcite; ortho-phenylphenol

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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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Wang, J.; Zhang, T.; Li, K.; Cao, Y.; Zeng, Y. Dehydrogenation Catalysts for Synthesis of O-Phenylphenol via Cu/Ni/Mg/Al Hydrotalcite-Like Compounds as Precursors. Catalysts 2018, 8, 186.

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