Oxidation of NO(x) Using Hydrogen Peroxide Vapor over Mo/TiO(2)

[Image: see text] xMo/TiO(2) catalysts (x = 1, 2, 3, and 4%) were prepared using the coprecipitation method in the present study. The coprecipitation method was used in the thermal catalytic decomposition of H(2)O(2) steam to treat NO(x) at a low temperature range (80–160 °C). Several characterization techniques have been employed, such as X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Brunauer–Emmett–Teller measurements, transmission electron microscopy (TEM), scanning electron microscopy and energy-dispersive X-ray spectrometry (SEM–EDXS), and Fourier transform infrared spectroscopy. The activity tests showed that the incorporation of molybdenum into TiO(2) led to a significant increase in the catalytic oxidation of NO, and under the condition of H(2)O(2)/NO = 6:1 (molar ratio), the NO(x) removal rate of 2% Mo/TiO(2) is the highest, reaching 92.56%. XRD, TEM, and SEM–EDXS analyses showed that Mo was well dispersed on the surface of an anatase-phase TiO(2). XPS analysis indicated that Mo mixed with slag mainly existed in the form of Mo(6+). Moreover, in comparison with the mostly reported SCO catalysts, used for the elimination of NO, the prepared Mo/TiO(2) catalyst showed excellent stability and sulfur resistance.