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.

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