Kinetics and Thermodynamics of Oil Extraction from Jatropha curcas L. Using Ethanol as a Solvent

Table 6

Partition coefficient () and variation of Gibbs free energy () of the oil extraction process from Jatropha seeds with moisture content of 8.73% for different temperatures and particle sizes using ethanol as a solvent.

(°C)	= 0.94 mm		= 1.87 mm		= 2.80 mm
		(kJ mol^−1)		(kJ mol^−1)		(kJ mol^−1)
30	0.4336	2.1050	0.3519	2.6308	0.3271	2.5349
40	0.5868	1.3873	0.4821	1.8986	0.4308	2.1915
50	0.7309	0.8420	0.5891	1.4211	0.5498	1.7562
60	0.9010	0.2887	0.6807	1.0649	0.5979	1.3719