Citation: Wei ZHAO, Wei Guo CHENG, Zeng Xi LI, Lei WANG, Xiang Ping ZHANG, Suo Jiang ZHANG. Oxidative Esterification of Methacrolein to Methyl Methacrylate over Supported Palladium Catalyst[J]. Chinese Chemical Letters, ;2006, 17(6): 739-742. shu

Oxidative Esterification of Methacrolein to Methyl Methacrylate over Supported Palladium Catalyst

1.
Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080;
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049

Received Date: 7 December 2005

Fund Project: Financial supported by the National Natural Science Foundation of China (No. 20436050) and Foundation of Graduate University of the Chinese Academy of Sciences.

Supported palladium catalysts, which were used in the oxidative esterification of methacrolein to methyl methacrylate, have been prepared with different carriers and Pd precursors.Experimental results revealed that Pd catalysts with γ-Al₂O₃ support and Na₂PdCl₄ precursor showed good performance. Pd catalyst modified with Pb and Mg indicated that Pd-Mg bimetallic catalyst exhibited considerably higher activity and Pd-Pb exhibited both higher activity and selectivity. 92.27% methacrolein conversion and 90.57% methyl methacrylate selectivity were obtained on Pd-Pb-Mg catalyst.
- Oxidative esterification,
- methacrolein,
- methyl methylcralate,
- palladium,
- alumina
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