Optimization of bimetallic dry reforming catalysts by temperature programmed reaction

Catalytic reforming of CH4 with CO2 was investigated on mono and bimetallic Pd(or Pt)-Ni based samples supported on Al2O3 and ZrO2. A simple temperature-programmed procedure was used to study both reforming and coke formation via CH4 or CO decomposition. Catalysts supported on zirconia are more active than alumina-supported samples. The addition of Pt or Pd to Ni/ZrO2, preferably by co-impregnation, prevents coke formation. The co-impregnated Ni-Pd/ZrO2 catalyst looks the most promising for a possible industrial application.

Catalytic reforming of CH 4 with CO 2 was investigated on mono and bimetallic Pd(or Pt)-Ni based samples supported on Al 2O 3 and ZrO 2. A simple temperature-programmed procedure was used to study both reforming and coke formation via CH 4 or CO decomposition. Catalysts supported on zirconia are more active than alumina-supported samples. The addition of Pt or Pd to Ni/ZrO 2, preferably by co-impregnation, prevents coke formation. The co-impregnated Ni-Pd/ZrO 2 catalyst looks the most promising for a possible industrial application. © 2012 Elsevier B.V.