Table 3 Diffusion parameter assumption (θ, ρ _b ) and calibrated results (D, Flux, K _d ) in the Diffusion-Sorption modeling

Range (mm)

0-0.7

0.7-0.8

0.8-15

θ (porosity)

0.8

0.8

0.8

ρ _b (kg/L)

0.16

0.16

0.265

K _d (L/kg)

200

100

200

Initial concentration (mmol/L)

0

0

0

D (m²/s)

1*10⁻⁹

1*10⁻⁹

1*10⁻⁹

Flux (N _bc ) (m*mmol/(L*s))

1.4*10⁻⁶