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has been cited by the following article:

• TITLE: Transition Metal Doped MnOx-CeO2 Catalysts by Ultrasonic Immersing for Selective Catalytic Reduction of NO with NH3 at Low Temperature

  AUTHORS: Jinshuo Qiao, Ning Wang, Cuiya Zhuang, Kening Sun

  KEYWORDS: Mn-Based Catalysts, Ultrasonic Immersing Method, Selective Catalytic Reduction, Sulfur Tolerance

  JOURNAL NAME: Modern Research in Catalysis, Vol.4 No.1, January 9, 2015

  ABSTRACT: Transition metals doped Mn-based catalysts were prepared via ultrasonic immersing method for the selective catalytic reduction (SCR) of NOx from fuel gas. The Catalysts’ DeNOx efficiency and tolerance to sulfur were investigated in the paper. XRD results demonstrate high dispersion of Mn, Ce and M (Pr, Y, Zr, W) elements on TiO2 carrier, which is favor for reduction of active materials content. Mn-Ce-W catalyst presents uniform particle size about 500 nm to 800 nm from SEM pictures and shows the best NOx conversion of 93.2% at 200°C and 98.4% at 250°C, respectively. Sulfur tolerance analysis indicated that transition metals M can improve the catalysts’ performance when 0.01% SO2 exists in the fuel gas, because metal doping into the Mn-Ce catalyst can inhibit the sulfate deposition, especially metal sulfate, on the catalyst, which can be seen from the Fourier infrared spectrum.