Revisiting Oxidative Dehydrogenation of Ethane by W Doping into MoVMn Mixed Oxides at Low Temperature

Figure 1

XRD patterns of (a) W₀, (b) W_0.06, and (c) W_0.14 calcined at 400°C. The numbers (1, 2, 3, 4, 5, 6, and 7) on the top -axis correspond to WO₃ or WO₄, MoO₃, Mo suboxide such as Mo₈O₂₃ or Mo₉O₂₆, (M_xMo_1−x)₅O₁₄ (M = V or Mn or W), W₃O, V_0.95Mo_0.97O₅, and Mn₂O₃, respectively.