Table 4.
Properties of biodiesel obtained from various microalgae
| Properties | Strain KU-001 | Strain KU-002 | Strain KU-003 | Strain KU-004 | Strain KU-005 | Strain KU-006 | ASTM biodiesel standard |
|---|---|---|---|---|---|---|---|
| Iodine value (gm/100 g of oil) |
36.61 |
36.11 |
45.63 |
52.87 |
46.03 |
67.36 |
- |
| Saponification value (mg KOH/g of oil) |
237.02 |
220.72 |
228.79 |
232.71 |
230.71 |
209.34 |
- |
| Density (gm/cm3) |
0.476 |
0.838 |
0.622 |
0.647 |
0.642 |
0.874 |
0.82-0.90 |
| Kinematic viscosity (mm2/s) |
2.5 |
4.3 |
3.3 |
3.4 |
3.3 |
4.3 |
1.9-6.0 |
| Higher heating value (MJ/Kg) |
39.16 |
39.84 |
39.36 |
39.10 |
39.28 |
39.84 |
>35 |
| Cetane number | 40.0 | 67.5 | 49.6 | 50.3 | 49.8 | 63.6 | Min. 47 |