Back Article

Figure 1. 

For the catalytic oxidation of propane by Co₄Zr₁, mass spectra were collected at an energy of 12 eV at different temperatures.

Figure 2. 

Species identification of the main products in the Co₄Zr₁-based catalytic oxidation of propane, showing the PIE spectra and identification results of (a) m/z = 28 (C₂H₄), (b) m/z = 42 (C₂H₂O), (c) m/z = 44 (C₂H₄O), and (d) m/z = 58 (C₄H₁₀) during the catalytic combustion process of propane.

Figure 3. 

TPSR experiments on Co₃O₄ and Co₄Zr₁ catalysts (C₂H₄, C₃H₈, C₄H_10, and C₆H₆).

Figure 4. 

TPSR experiments on Co₃O₄ and Co₄Zr₁ catalysts (CO, CH₂O, C₂H₂O, and C₂H₄O).

Figure 5. 

Comparison of the predicted and experimental values of the catalytic combustion reaction rate model of propane on Co₄Zr₁.

Figure 6. 

Schematic diagram of the catalytic combustion process of propane on the Co_xZr_y catalyst.

Figure 7. 

The main intermediate product formation pathways of gas-phase combustion of propane.

Figure 8. 

The generation pathways of the main products of catalytic combustion of propane on the Co_xZr_y catalyst.