Table 4 Physicochemical properties and characteristic of palm oil and Jatropha oil
From: Heterogeneous base catalysts for edible palm and non-edible Jatropha-based biodiesel production
Properties (unit) | Palm oil | Jatropha oil |
|---|---|---|
Specific gravity (gcm−3) | 0.860–0.90 | 0.914 |
Viscosity at 40°C (cSt) | 44.2 | 54.8 |
Sulphated Ash (% mass) | 0.02 | 0.0012 |
Flash point (°C) | 182 | 235 |
Cloud point (°C) | 15 | 2 |
Pour point | 15 | 2 |
Cetane Number | - | 46.3 |
Saponification number (mg g−1) | 198.9 | 186.48–193.32 |
Free Fatty acids% (Kg Kg−1 × 100) | <1 | 9.0–12.0 |
Fatty acid composition (%) | ||
Palmitic acid (16:0) | 44.2 | 13.8 |
Stearic acid (18:0) | 4.5 | 6.8 |
Oleic acid (18:1) | 39.6 | 41.7 |
Linoleic acid (18:2) | 9.8 | 35.6 |