Table 4.
Effect of compression ratio on parameters 1 of methylene blue elution.
| ID | n | Weight of n Sheets (g) | δ (mm) | α | m2″ (min−1) | Deff (m2 s−1) | τ | Leff/L |
|---|---|---|---|---|---|---|---|---|
| a | 16 | 0.124 | 1.331 | 0.436 | 0.0609 | 2.8 × 10−11 | 7.3 | 2.7 |
| d | 18 | 0.140 | 1.333 | 0.367 | 0.0531 | 2.3 × 10−11 | 7.3 | 2.7 |
| e | 20 | 0.155 | 1.333 | 0.301 | 0.0451 | 2.0 × 10−11 | 7.1 | 2.7 |
| f | 22 | 0.171 | 1.335 | 0.231 | 0.0343 | 1.6 × 10−11 | 6.7 | 2.6 |
| g | 24 | 0.180 | 1.335 | 0.165 | 0.0228 | 8.4 × 10−12 | 9.1 | 3.0 |
1δ, sample thickness; α, porosity; m2″, true elution rate; Deff, effective diffusion coefficient; τ, tortuosity factor; L, thickness of diffusion layer; Leff, actual diffusion distance.