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Citation: WEI Yan-An, CAI Chun, LÜ Chun-Xu. Platinum Catalyst Supported on Carbon Covered Alumina for Preparation of o-Phenylphenol[J]. Chinese Journal of Applied Chemistry, ;2004, 21(8): 859-861. shu

Platinum Catalyst Supported on Carbon Covered Alumina for Preparation of o-Phenylphenol

1.
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094

Corresponding author: WEI Yan-An,
Received Date: 29 September 2003
Available Online: 6 March 2004

The platinum catalyst supported on carbon covered γ-Al₂O₃(CCA) or γ-Al₂O₃ with K₂O as assistant was prepared and used for preparation of o-phenylphenol(OPP) by dehydrogenation of 2-cyclohexenyl-cyclohexanone. The catalyst was pre-poisoned with CS₂ to improve its catalytic activity. The results showed that the catalytic performance of Pt supported on CCA is better than that supported on γ-Al₂O₃. When the catalyst consists of[ω(Pt)=0.5%, ω(K₂O)=1%]/CCA[ω(C)=1.5%] and m(CS₂):m(Pt) is 1.0:100, the selectivity of OPP was more 96% in a reaction condition of 350℃ and flow rate of H₂ at 60 mL/min.
- carbon covered γ-Al₂O₃,
- platinum catalyst,
- cyclohexenyl-cyclohexanone,
- dehydrogenation
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