Table 3.
Comparing the results with previous studies
| Catalyst | Temperature (oC) | Reaction time (h) | Catalyst content (wt.%) | Methanol/oil molar ratio | Biodiesel yield (%) | Ref. |
|---|---|---|---|---|---|---|
| Na2SiO3 | 220 | 0.5 | 0.5 | 35:1 | 95.6 | Yin et al. (2010) |
| NaOH | 55–60 | 1.5 | 0.46 | 35% volume of oil | 91 | Math (2016) |
| H2SO4 (IRARa (with silica gel) | 69.97 | 2.5 | 59.93 | 31.88:1 | 96.7 | Chakraborty and Sahu (2014) |
| H2SO4 (IRAR, (without silica gel) | 69.97 | 2.5 | 59.93 | 31.88:1 | 91.087 | Chakraborty and Sahu (2014) |
| H2SO4 (conventional, with silica gel) | 69.97 | 2.5 | 59.93 | 31.88:1 | 88.28 | Chakraborty and Sahu (2014) |
| H2SO4 (conventional, without silica gel) | 69.97 | 2.5 | 59.93 | 31.88:1 | 82.96 | Chakraborty and Sahu (2014) |
| Nano-MgO | 70 | 3 | 1 | 12:1 | 93.12 | Present study |
aInfrared radiation-assisted reactor