Citation: Yang Wang, Fei Ma, Shu Chen, Fang Chen, Wei Min Lu. Performance of Mo-V-Te-P catalysts supported on the SiC for propane selective oxidation to acrolein[J]. Chinese Chemical Letters, ;2011, 22(11): 1321-1325. doi: 10.1016/j.cclet.2011.06.015 shu

Performance of Mo-V-Te-P catalysts supported on the SiC for propane selective oxidation to acrolein

Institute of Catalysis, Zhejiang University(Xixi Campus), Hangzhou 310028, China

Received Date: 29 March 2011

Fund Project: This work was supported by the National Natural Science Foundation of China (No.20873123).

A series of MoTe_0.15V_0.1P_xO_n catalysts supported on the SiC were prepared by incipient wetness impregnation. The addition of P to MoTe_0.15V_0.1O_n/SiC catalysts improved the catalytic performance of selective oxidation from propane to acrolein (ACR), and the catalyst showed highest selectivity (33.7%) and yield (10.7%) when x=0.05. The MoTe_0.15V_0.1P_xO_n/SiC catalysts have been characterized by XRD, H₂-TPR, Raman, XPS and NH₃-TPD. The results indicated that a little H₃PMo₁₂O₄₀ heteropoly acid and (VO)₂P₂O₇ formed and MoO₃ phase lessened after addition of P. The addition of P promoted the active species dispersed, increased the acidity on the surface, as well as might make the redox process easier. These significant differences improved the activity and selectivity of ACR.
- Propane,
- Selective oxidation,
- Acrolein,
- Mo-V-Te-P catalysts
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