Comparative Catalytic Evaluation of Nano-ZrO_x Promoted Manganese Catalysts: Kinetic Study and the Effect of Dopant on the Aerobic Oxidation of Secondary Alcohols

Table 1

Effect of the calcination temperature on the catalytic activities of 1% ZrO_x–MnCO₃ for the selective oxidation of 1-phenylethanol.

Entry	Catalyst	T (°C)	SA (m^2g^−1)	Conv. (%)	Sp. activity (mmol·g^−1·h^−1)	Sel. (%)
1	1% ZrOx–MnCO3	300	133.58	100.00	20.0	>99
2	1% ZrOx–MnO2	400	53.19	70.13	14.03	>99
3	1% ZrOx–Mn2O3	500	17.48	61.34	12.27	>99

Reaction conditions: 2 mmol of 1-phenylethanol, 300 mg of catalyst, oxygen with rate 20 mL min⁻¹, reaction temperature at 100°C, 10 mL of toluene, and 20 min of reaction time.