Catalytic Decomposition of Formaldehyde on Nanometer Manganese Dioxide

Xiujuan Chu, Hua Zhang


In this paper, nanostructure MnO2 was synthesized in aqueous solution, without using any templates, catalysts, and organic reagents. The as-prepared nano-MnO2 was systematically characterized by X-ray diffraction (XRD), and transmission electron microscopy (TEM) Fourier transform infrared (FT-IR) spectroscopy analysis. The catalytic decompositions of HCHO were studied at different conditions using the nano-MnO2 as catalyst. The resulting nano-MnO2 particles were found to exhibit remarkable environmental catalytic performance in catalytic decomposition of formaldehyde in aqueous solution.

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