采用浆态法在N2气氛下焙烧制得了MoV0.3Te0.23Nb0.1Ox催化剂. 在以该催化剂催化的乙烷氧化脱氢制乙烯的反应中,440 ℃下乙烷的转化率和乙烯的选择性均在90%左右,乙烯产率达80.9%. 但在空气气氛下焙烧得到的催化剂几乎没有催化活性. 用XRD和SEM等方法考察了催化剂的结构.
参考文献
[1] | López Nieto J M;Botella P;Vázquez M I;Dejoz A.[J].Chemical Communications,2002(17):1906. |
[2] | López Nieto J M;Botella P;Concepción P;Dejoz A,Vázquez M I .[J].Catalysis Today,1999,91-92:241. |
[3] | Botella P;García-González E;Dejoz A;López Nieto J M,Vázquez M I,González-Calbet J .[J].Journal of Catalysis,2004,225(02):428. |
[4] | Millet J M M;Roussel H;Pigamo A;Dubois J L,Jumas J C .[J].Applied Catalysis A:General,2002,232(1-2):77. |
[5] | Watanabe H.;Koyasu Y. .New synthesis route for Mo-V-Nb-Te mixed oxides catalyst for propane ammoxidation[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2000(Special Issue SI):479-485. |
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