A. Diffusion model
Pressure, MPa De, m2/s Correlation coefficient
22 4.4 ±0.1 x 10-11 0.98
26 7.2 ±0.1 x 10-11 0.99
30 7.1 ±0.1 x 10-11 0.99
B. Exponential model
Pressure, MPa kE , 1/s Correlation coefficient
22 3.3±0.1 x 10-5 0.98
26 4.9±0.1 x 10-5 0.97
30 4.8±0.1 x 10-5 0.97
C. Langmuir model
Pressure, MPa kL, s Correlation coefficient
22 2.1±0.1 x 106 0.98
26 4.1±0.1 x 106 0.96
30 1.0 ±0.1x 106 0.96
Table 3: Parameters of Diffusion, Exponential and Langmuir model applied to SCF extraction.