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Catalysts 2016, 6(1), 14; doi:10.3390/catal6010014

Solvent-Free Selective Oxidation of Toluene with O2 Catalyzed by Metal Cation Modified LDHs and Mixed Oxides

Department of Environment and Technology, Nanjing Institute of Technology, Nanjing 211167, China
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Academic Editor: Stuart H. Taylor
Received: 13 December 2015 / Revised: 30 December 2015 / Accepted: 30 December 2015 / Published: 15 January 2016
(This article belongs to the Special Issue Catalysts for Selective Oxidation)
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Abstract

A series of metal cation modified layered-double hydroxides (LDHs) and mixed oxides were prepared and used to be the selective oxidation of toluene with O2. The results revealed that the modified LDHs exhibited much higher catalytic performance than their parent LDH and the modified mixed oxides. Moreover, the metal cations were also found to play important roles in the catalytic performance and stabilities of modified catalysts. Under the optimal reaction conditions, the highest toluene conversion reached 8.7% with 97.5% of the selectivity to benzyldehyde; moreover, the catalytic performance remained after nine catalytic runs. In addition, the reaction probably involved a free-radical mechanism. View Full-Text
Keywords: LDH; modified; selective oxidation; toluene; benzyldehyde LDH; modified; selective oxidation; toluene; benzyldehyde
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Wang, X.; Wu, G.; Liu, H.; Lin, Q. Solvent-Free Selective Oxidation of Toluene with O2 Catalyzed by Metal Cation Modified LDHs and Mixed Oxides. Catalysts 2016, 6, 14.

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