引用本文:
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.
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.
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.
Oxidative Esterification of Methacrolein to Methyl Methacrylate over Supported Palladium Catalyst
摘要:
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.
English
Oxidative Esterification of Methacrolein to Methyl Methacrylate over Supported Palladium Catalyst
Abstract:
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.
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Key words:
- Oxidative esterification
- / methacrolein
- / methyl methylcralate
- / palladium
- / alumina
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