Table 6 Summarizing the activity of ΑFe₂O₃/CuO nanocatalyst with other catalysts in transesterification reaction.
Refs. | Yield (%) | Reaction parameters | Feedstock | Catalyst |
|---|---|---|---|---|
93.2 | 12:1 CH3OH/oil proportion, 14 wt% catalyst dosage, reaction temperature of 55 °C for 1 h | Sunflower | MgO/MgAl₀.₄Fe₁.₆O₀.₄ | |
91.2 | 9:1 CH3OH/oil molar ratio, catalyst dosage of 12 wt%, reaction temperature of 65 °C for 4 h. | Sunflower | MgO/MgFe₂O₄ | |
92.72 | 12:1 CH3OH/oil molar ratio, 2.53 wt% catalyst dosage, 65 °C reaction temperature for 0.5 h | Sunflower | αFe₂O₃/ZnO | |
97.42 | Temperature 62.36 °C, CH3OH/DWSO proportion 11:12, nanocatalyst dosage of 2.76 wt%, time 2.85 h | Dairy waste oil | CuO/RHA | |
98.04 | Temperature 65 °C, CH3OH/DWSO proportion 12.75:1, nanocatalyst dosage of 1.53 wt%, time 7.17 min | Annona squamosa L. seed oil | Co3O4@rGO | |
97.81 | Temperature 65 °C, CH3OH/DWSO proportion 11.24:1, nanocatalyst dosage of 2.41 wt%, time 36.62 min | Dairy waste oil | AC@ZnO/NiO | |
Temperature 65 °C, CH3OH/Castor oil proportion 18:1, nanocatalyst dosage of 3 wt%, time 120 min | Castor oil | Rice husk ash/CuO/K2CO3 | ||
This research | 94.27 | Temperature 62.36 °C, CH3OH/WCO proportion 11:1, nanocatalyst dosage of 2 wt%, temperature 60 °C for 3 h | Waste cooking oil | αFe2O3/CuO |