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

Table 3

Coefficients of determination (), mean standard errors (SE), and activation energy () for the oil extraction process from Jatropha seeds with different moisture contents and particle sizes.

Moisture content (% w.b.)	Particle size (mm)		SE	(kJ mol^−1)
0	0.94	0.9987	0.014	14.65
	1.87	0.9914	0.0479	19.29
	2.80	0.9862	0.0692	21.86
8.73	0.94	0.9680	0.0861	17.61
	1.87	0.9577	0.1079	22.74
	2.80	0.9574	0.1122	19.73

All regression coefficients were different from zero at the 95% confidence interval.