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 2

Influence of different weight % of ZrO_x on the oxidation of 1-phenylethanol.

Entry	Catalyst	Conversion (%)	Sp. activity (mmol·g^−1·h^−1)	Sel. (%)
1	0% ZrOx–MnCO3	80.36	16.07	>99
2	1% ZrOx–MnCO3	100.00	20.00	>99
3	3% ZrOx–MnCO3	95.41	19.08	>99
4	5% ZrOx–MnCO3	63.97	12.80	>99
5	7% ZrOx–MnCO3	42.46	8.49	>99

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