Table 3.
The fatty acid profile of Spirulina subsalsa in reused seawater supplemented with 1/200 MSGR (VMSGR/Vseawater)
| First | Second | ASTMD 6751-08 | EN 14214 | |
|---|---|---|---|---|
| Fatty acids (% total FAME) | ||||
| C12:0 (lauric) | 11.48 ± 0.62 | 2.77 ± 0.26 | ||
| C14:0 (myristic) | 1.25 ± 0.03 | 3.55 ± 0.43 | ||
| C16:0 (palmitic) | 35.50 ± 0.59 | 33.96 ± 0.77 | ||
| C16:1 (palmitoleic) | 17.83 ± 0.78 | 23.76 ± 0.81 | ||
| C18:0 (stearic) | 2.76 ± 0.31 | 4.94 ± 0.61 | ||
| C18:1 (oleic) | 14.51 ± 0.50 | 15.78 ± 0.86 | ||
| C18:2 (linoleic) | 14.28 ± 0.56 | 12.30 ± 0.97 | ||
| Others | 2.40 ± 1.76 | 2.93 ± 1.87 | ||
| Biodiesel properties | ||||
| Kinematic viscosity 40 °C (mm2/s) | 4.82 ± 0.01 | 4.80 ± 0.01 | 1.9–6.0 | 3.5–5.0 |
| Specific gravity (kg/L) | 0.88 ± 0.00 | 0.88 ± 0.00 | 0.85–0.90 | 0.86–0.90 |
| CP (°C) | 11.86 ± 0.11 | 11.42 ± 0.27 | ||
| CN | 58.82 ± 0.06 | 58.60 ± 0.13 | ≥ 47 | ≥ 51 |
| IV (gI2/100 g) | 57.99 ± 0.62 | 60.41 ± 1.48 | 51–120 | |
| HHV (MJ/kg) | 39.61 ± 0.01 | 39.66 ± 0.03 | ||
All data are averages of biological triplicates ± standard deviation