Synthesis of Diphenyl Carbonate by Oxidative Carbonylation of Phenol with Pd-Co/Hopcalite

Abstract:

Hopcalite mixed oxides were used as support of the catalyst for the synthesis of diphenyl carbonate (DPC) by oxidative carbonylation of phenol .The catalyst was characterized by scanning electron microscopy (SEM), X-ray power diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The results show that the size of the particles is well-distributed and the physical structure is favorable, which contribute to the reaction efficiently. The main crystal phase in catalyst is CuMn₂O₄, CoMn₂O₄ and Pd_0.5Pd₃O₄, and the valency of Mn and Co remains unchanged. Finally, the synthesis of DPC was carried out and it was found that the yield and selectivity could reach 43.5% and 99.6%, respectively.

• Periodical: Advanced Materials Research (Volumes 750-752)
• Pages: 1292-1295
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.750-752.1292
• Online since: August 2013
• Authors: Hong Xia Guo, Jing De Lü, Hui Qiang Wu, Shu Juan Xiao, Jie Han
• Keywords: Diphenyl Carbonate, Heterogeneous Catalyst, Oxidative Carbonylation

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