Table 2. Comparison of the Transesterification Performance Process of Different Catalysts Containing MgO.
| catalysts | oil | temperature (°C) | time (h) | MeOH/oil (molar ratio) | yield (%) | reference |
|---|---|---|---|---|---|---|
| CaO–MgO | Jatropha | 120 | 3 | 25:1 | 90 | (40) |
| MgAL-LDH | West sunflower | 120 | 4 | 15:1 | 94.6 | (41) |
| MgO/ZSM-5 | spirulina oil | 75 | 1 | 15:1 | 92.1 | (42) |
| MgO | triacetin | 60 | 9 | 6:1 | 18 | (43) |
| MgO/MCM-41 | soybean frying oil | 60 | 24 | 85 | (44) | |
| Sr/MgO | soybean oil | 65 | 0.5 | 12:1 | 93 | (45) |
| Li–MgO | soybean oil | 60 | 2 | 12:1 | 93.9 | (46) |
| MgO/CeM(Si/Ce = 10) | waste cooking oil | 70 | 6 | 9:1 | 94.3 | (47) |
| 20Cs2O– MgO/MPCs | olive oil | 60 | 6 | 15:1 | 96.1 | this work |