Table 4: Fatty acid methyl ester composition (%) of the biodiesel by S. obliquus.
| FAME |
Artificial Wastewater (AW) |
Domestic Wastewater (WW) |
| Enriched Culture |
Nitrogen Limitation |
Enriched Culture |
Nitrogen Limitation |
| Phot |
Mixotr |
Phot |
Mixotr |
Phot |
Mixotr |
Phot |
Mixotr |
| Myristic acid (C14:0) |
10.62 |
14.12 |
20.40 |
12.51 |
19.98 |
19.44 |
24.88 |
20.84 |
| Palmitic acid (C16:0) |
9.31 |
0.95 |
8.51 |
8.35 |
7.33 |
8.23 |
7.23 |
7.48 |
| Arachidic acid (C20:0) |
11.61 |
8.72 |
7.21 |
8.23 |
11.74 |
7.21 |
7.48 |
6.63 |
| Behenic acid (C22:0) |
17.14 |
15.69 |
14.71 |
19.49 |
11.44 |
13.20 |
13.55 |
13.03 |
| Palmitoleic acid (C16:1) |
8.73 |
8.55 |
6.71 |
7.68 |
7.88 |
7.06 |
6.52 |
6.81 |
| Oleic acid (C18:1) |
0.63 |
2.14 |
0.83 |
1.80 |
1.03 |
1.26 |
1.84 |
2.16 |
| Eicosenoic acid (C20:1) |
17.11 |
16.93 |
15.96 |
17.26 |
15.82 |
13.78 |
14.17 |
12.67 |
| Erucic acid (C22:1) |
9.13 |
11.47 |
9.34 |
8.00 |
9.60 |
11.30 |
8.53 |
10.28 |
| Linoleic acid (C18:2) |
9.64 |
12.01 |
9.83 |
8.43 |
9.13 |
10.28 |
8.95 |
9.56 |
| Linolenic acid (C18:3) |
6.07 |
9.39 |
6.48 |
8.19 |
6.01 |
8.20 |
6.82 |
10.51 |
*Phot: Phototrophic culture; Mixotr: Mixotrophic culture.