Table 3 Chlorella singularis (UUIND5) biodiesel fuel properties

Saponification value

(mg KOH)

114.63

110.16

96.82

80.26

–

Iodine value

(g I₂/100 g)

35.42

39

36

24

–

130

Specific gravity

(kg⁻¹)

0.691

0.723

0.700

.639

–

–

Acid value mg

KOH g⁻¹

2.4

2.7

2.2

5.2

0.8

0.50

Flash point

°C

42

40

39

33

93.0 min

35

Fire point

°C

50

52

48

42

–

–

Cetane value

58.02

54.52

60.63

50.19

47 (min)

47

High heating value

40.20

46.12

42.06

39.3 2

Long-chain saturation factor

(% wt)

15.7

10.2

10.6

16.6

–

–

Cold flow plugging property

°C

2.4

1.68

2.65

4.70

–

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