Research Article

Solvent Extraction of Jatropha Oil for Biodiesel Production: Effects of Solvent-to-Solid Ratio, Particle Size, Type of Solvent, Extraction Time, and Temperature on Oil Yield

Table 2

Comparison of Jatropha oil quality parameters obtained in this study with those in the literature.

S. no.ParameterThis studyFrom literature

1Moisture content (% w/w)0.050.04–0.159 [17, 31]
2Density (kg/m3) (15°C)907890–926 [31, 32]
3Acid value (mg KOH/g)0.530.92–6.16 [10, 32]
4Free fatty acid (FFA) (%)0.270.18–3.4 [26]
5Saponification value (mg KOH/g)195190–213 [26, 31, 32]
6Pour point (°C)−61–5 [26, 32]
7Cloud point (°C)−4−9–6 [32] and 8–10 [26]
8Flash point (°C)149130–240 [31, 32]
9Iodine no. (g/100 g)10184–115 [26, 3133]
10Kinematic viscosity (mm2/s) (40°C)31.517–46 [31, 32, 34]
11Calorific value (MkJ/kg)39.637.83–42.05 [26, 32, 35]
12Cetane number2323–56 [32, 33, 36]
13Oxidation stability (min)175179 [31]