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Elsevier, International Journal of Hydrogen Energy, 8(41), p. 4670-4681, 2016

DOI: 10.1016/j.ijhydene.2016.01.037

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Application of Au/TiO2 catalysts in the low-temperature water–gas shift reaction

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This paper is available in a repository.

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Abstract

Au/TiO2 catalysts were synthesized by three different methods, with different gold loadings, and tested for the low temperature water–gas shift (WGS) reaction. Gold was loaded by a Double Impregnation Method (DIM), Deposition–Precipitation (DP) and Liquid Phase Reductive Deposition (LPRD). For each procedure, catalysts were synthesized with three different loadings of gold, up to ca. 2.5 wt.%, identified as 1, 2 or 3 for low, intermediate or high amounts of nanosized gold, respectively. The prepared materials were characterized by High-Resolution Transmission Electron Microscopy (HR-TEM), X-Ray Diffraction (XRD), X-Ray Photoelectron Spectroscopy (XPS), Temperature Programmed Reduction (TPR) and Absorption Atomic Spectroscopy (AAS).