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In the decomposition of hydrofluorocarbons such as HFC-32 and HFC-23 with silent discharge plasma or surface discharge plasma, MnO 2 , TiO 2 –SiO 2 , and AlPO 4 show catalytic effects. MnO 2 and TiO 2 –SiO 2 promote the oxidative decomposition of HFCs and FC-14 in the presence of gaseous oxygen, while AlPO 4 promotes the cleavage of C–F...