Under the reaction conditions, the optimal calcination temperature for TiO2/SiO2 is 550oC. Thus, 53.1% conversion of DMO, 72.1% and 27.3% selectivity to MPO and DPO, respectively, can be obtained in the presence of TiO2/SiO2 with 13% TiO2 loading.

• 确定了较佳的焙烧温度为550℃；以该温度焙烧的TiO2/SiO2为催化剂；TiO2负载量为13%25时；草酸二甲酯的转化率、甲基苯基草酸酯与草酸二苯酯的收率分别为53.；1%25、38