Abstract
Abstract Three CeO 2 samples were prepared by precipitation with urea, ammonia, and sodium carbonate. Vanadium oxide was supported on these CeO 2 materials, and their catalytic activity in the total oxidation of chlorobenzene was investigated. Their turnover frequencies for chlorobenzene oxidation are 4.9, 1.6, and 0.8 h −1 at 300°C, respectively, and depend on the redox properties of the CeO 2 supports. These results demonstrate that the oxygen of the V–O–Ce bond plays an important role in determining the catalytic activity of the VO x /CeO 2 catalyst.
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