Fatty acid/biodiesel properties | Rape seed oil methyl ester [30] | Jatropha oil methyl ester [30] | AD-PSH | AS-PSH | Control (YNB) | EN 14214 | ASTM D6751 | IS 15607 |
---|---|---|---|---|---|---|---|---|
C14:0 (%) | ND | ND | ND | 0.89 | 0.55 | – | – | – |
C16:0 (%) | 11.9 | 14.9 | 14.45 | 28.85 | 10.4 | – | – | – |
C16:1 (%) | ND | 1 | ND | ND | ND | – | – | – |
C18:0 (%) | 4.1 | 6.1 | 6.13 | ND | ND | – | – | – |
C18:1 (%) | 20.8 | 40.4 | 61.98 | 52.58 | 43.61 | – | – | – |
C18:2 (%) | 53.8 | 36.2 | 16.86 | 12.45 | ND | – | – | – |
C18:3 (%) | 9.3 | 0.3 | ND | 1.37 | ND | – | – | – |
C20:0 (%) | ND | ND | ND | ND | ND | – | – | – |
C22:0 (%) | ND | ND | ND | 0.46 | ND | – | – | – |
C24:0 (%) | ND | ND | ND | ND | ND | – | – | – |
Iodine value (IV) (g of I2/100 g) | 107.76 | 98.02 | 86.29 | 73.58 | 39.02 | 120 (max.) | – | – |
Cetane number (CN) | 54.35 | 55.23 | 53.92 | 56.72 | 86.86 | 47 | 51 | 51 |
High heating value (HHV) (MJ/kg) | 40.78 | 40.55 | 39.42 | 38.14 | 21.56 | – | – | – |
Density (g/cm3) | 0.80 | 0.88 | 0.87 | 0.84 | 0.47 | – | 0.86–0.90 | 0.86–0.89 |
Kinematic viscosity (KV) (mm2/s) | 4.4 | 4.48 | 3.90 | 3.7 | 2.13 | 1.9–6 | 3.5–5 | 2.5–6 |
Cold filter plugging point (CFPP) | ND | ND | −6.1 | −5.97 | −13.2 | – | – | – |