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This work investigates the effects of Au 3+ /Au 0 ratio or distribution of gold oxidation states in Au/ZrO 2 catalysts of different gold loadings (0.01–0.76% Au) on CO oxidation and 1,3-butadiene hydrogenation by regulating the temperature of catalyst calcination (393–673K) and pre-reduction with hydrogen (473–523K). The catalysts were prepared by deposition–precipitation and...
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