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A series of manganese-niobium mixed oxide (Mn–Nb) catalysts were prepared by homogeneous precipitation method and tested for low temperature selective catalytic reduction of NOx with NH3 (NH3-SCR). These catalysts were characterized by N2 adsorption, X-ray diffraction, H2-TPR, X-ray photoelectron spectroscopy, NOx-TPD and NH3-TPD. Among the series of Mn–Nb catalysts, Mn2Nb1Ox calcined at 500°C exhibited...
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