Table 9 Calculation results of different Kext calculation formulas (m/min).
From: Mechanism modeling and application of Salvia miltiorrhiza percolation process
Experiment number | Calculation formulas | ||||
|---|---|---|---|---|---|
Vermeulen | Williamson | Wilson and Geankoplis | Ranz and Marshall | Wakao and Funazkri | |
E1 | 1.82 × 10–4 | 7.00 × 10–4 | 2.20 × 10–3 | 1.18 × 10–4 | 7.00 × 10–5 |
E2 | 1.79 × 10–4 | 7.41 × 10–4 | 3.02 × 10–3 | 1.21 × 10–4 | 7.20 × 10–5 |
E3 | 1.79 × 10–4 | 7.27 × 10–4 | 2.70 × 10–3 | 1.20 × 10–4 | 7.13 × 10–5 |
E4 | 2.19 × 10–4 | 8.42 × 10–4 | 4.28 × 10–3 | 1.31 × 10–4 | 7.79 × 10–5 |
E5 | 2.53 × 10–4 | 9.47 × 10–4 | 6.40 × 10–3 | 1.41 × 10–4 | 8.45 × 10–5 |
E6 | 1.25 × 10–4 | 4.30 × 10–4 | 2.20 × 10–3 | 6.51 × 10–5 | 3.88 × 10–5 |
E7 | 2.76 × 10–4 | 1.38 × 10–3 | 4.11 × 10–3 | 2.51 × 10–4 | 1.52 × 10–4 |
E8 | 1.81 × 10–4 | 7.14 × 10–4 | 2.43 × 10–3 | 1.19 × 10–4 | 7.06 × 10–5 |
E9 | 1.83 × 104 | 6.96 × 104 | 2.10 × 10–3 | 1.17 × 104 | 6.97 × 10–5 |
