Table 4.
Orthogonal optimization results and visual analysis.
| Test number | Factors |
3 Replicates | STSP yield (%) | |||||
|---|---|---|---|---|---|---|---|---|
| A-MLR (g·mL−1) | B-UTE (°C) | C-UTI (min) | D-UP (W) | |||||
| 1 | 1 | 1 | 1 | 1 | 32.55 | 32.92 | 31.08 | 32.18 |
| 2 | 1 | 2 | 2 | 2 | 34.66 | 33.94 | 36.60 | 35.07 |
| 3 | 1 | 3 | 3 | 3 | 34.71 | 32.43 | 32.71 | 33.28 |
| 4 | 2 | 1 | 2 | 3 | 40.14 | 42.32 | 41.44 | 41.30 |
| 5 | 2 | 2 | 3 | 1 | 38.52 | 37.44 | 39.98 | 38.65 |
| 6 | 2 | 3 | 1 | 2 | 36.46 | 36.67 | 38.90 | 37.34 |
| 7 | 3 | 1 | 3 | 2 | 37.15 | 35.80 | 37.26 | 36.74 |
| 8 | 3 | 2 | 1 | 3 | 37.20 | 34.95 | 36.52 | 36.22 |
| 9 | 3 | 3 | 2 | 1 | 35.20 | 34.04 | 34.72 | 34.65 |
| K1 | 100.533 | 110.220 | 105.750 | 105.483 | ||||
| K2 | 117.290 | 109.937 | 111.020 | 109.147 | ||||
| K3 | 107.613 | 105.280 | 108.667 | 110.807 | ||||
| k1 | 33.511 | 36.740 | 35.250 | 35.161 | ||||
| k2 | 39.097 | 36.646 | 37.007 | 36.382 | ||||
| k3 | 35.871 | 35.093 | 36.222 | 36.936 | ||||
| Range | 5.586 | 1.647 | 1.757 | 1.774 | ||||
| Factors | A > D > C > B | |||||||
| Optimal scheme | A2B1C2D3 | |||||||