Table 6: Fatty acid content of S. obliquus in phototrophic and mixotrophic culture in artificial and urban wastewater.

Biodiesel Properties Units ASTM
D6751
EN
14214
[1] [17] [18] [19] [31] Phototrophic Culture Mixotrophic Culture
AW WW AW WW
CN Min 47 51 57.93 57.13 51.74 63.63 59.98 40.2 36.9 31.5 36.2
IV g I2 /100 g - 120 72.81 77.91 98.86 35.38 77.36 27.2 41.7 67.42 45.03
CFPP °C - ≤5/≤-20 -5.68 -0.04 3.5 -11.87 -3.19 -7.1 -6.02 -7.7 -8.45
SV mg KOH/g - - 194.8 192.4 - 216.0 164.6 315.3 325.9 245.6 313.5
DU % wt - - 83.97 - - 36.63 87.04 30.83 46.6 68.02 50.1
OS h 3 6 7.31 - - - 3.53 6.6 5.9 5.2 5.84

* CN- Cetane Number; IV-Iodine value; CFPP-Cold Filter Plugging Point; SV- Saponification value; DU-Degree of unsaturation; OS-Oxidative stability. Values are average of triplicate. References [1-31].

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