Table 6 Estimation of the biodiesel fuel properties of rubber seed oil in comparison with other biodiesel materials and the international standards for biodiesel
From: Biorefinery methods for extraction of oil and protein from rubber seed
Fuel properties | Biodiesel from RSO | Biodiesel from SBOa | Biodiesel from SFOb | Biodiesel from ROc | International standards | |
|---|---|---|---|---|---|---|
ASTM D6751 | EN14214 | |||||
Density (g/cm3) | 0.87 | 0.88 | 0.88 | 0.92 | 0.82–0.9 | 0.86–0.9 |
Kinematic viscosity (mm2/s) | 3.50 | 4.22 | 3.64 | 4.34 | 1.9–6 | 3.5–5 |
oxidative stability (h) | 4.67 | 4.50 | – | – | ≧3 | ≧6 |
Iodine Value | 143.17 | – | – | – | ns | ≤ 120 |
degree of unsaturation | 151.86 | – | – | – | ns | ns |
Cloud point (℃) | 0.67 | – | 3.0 | – | − 3–15 | ns |
Pour point (℃) | − 6.09 | – | 0.00 | – | – | – |
High heating value (KJ/g) | 39.11 | – | – | 35.60 | ns | ns |