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 1

Some of the important parameters of the solvents studied at 25°C.

Solvent	Density (g/cm^3)	Dynamic viscosity (mPa.s)	Dielectric constant	Polarity
n-Hexane	0.6606	0.30	1.88	Nonpolar
Petroleum ether	0.653	0.46	1.90	Nonpolar
Ethanol	0.785	1.074	24.60	Polar