Table 3 Experimental data and response values (SSA) for synthesized high SSA ZnO samples.
Run | Main factors | Response (SSA (m2/g)) | Pore volume (Vp (cm2/g)) | Average pore radius (nm) | |||
|---|---|---|---|---|---|---|---|
A (T, °C) | B (t, h) | C (pH) | D (L/S, mL/g) | ||||
1 | 70 | 3 | 11 | 15 | 28.0 | 0.346 | 23.68 |
2 | 50 | 5 | 11 | 15 | 28.8 | 0.503 | 34.46 |
3 | 70 | 5 | 10 | 15 | 28.2 | 0.302 | 21.82 |
4 | 50 | 3 | 10 | 15 | 27.8 | 0.398 | 27.63 |
5 | 50 | 3 | 11 | 10 | 27.5 | 0.222 | 17.68 |
6 | 50 | 5 | 9 | 15 | 26.9 | 0.365 | 26.09 |
7 | 50 | 3 | 10 | 15 | 27.6 | 0.364 | 24.96 |
8 | 30 | 5 | 10 | 15 | 27.6 | 0.370 | 26.97 |
9 | 30 | 3 | 11 | 15 | 27.6 | 0.220 | 17.82 |
10 | 50 | 1 | 10 | 20 | 27.5 | 0.299 | 20.41 |
11 | 30 | 1 | 10 | 15 | 23.2 | 0.278 | 24.19 |
12 | 50 | 3 | 10 | 15 | 26.8 | 0.413 | 28.00 |
13 | 50 | 1 | 10 | 10 | 25.8 | 0.280 | 22.50 |
14 | 50 | 3 | 9 | 20 | 25.8 | 0.304 | 23.19 |
15 | 50 | 5 | 10 | 10 | 32.2 | 0.570 | 31.02 |
16 | 30 | 3 | 9 | 15 | 24.1 | 0.366 | 30.56 |
17 | 70 | 3 | 10 | 10 | 30.8 | 0.307 | 20.55 |
18 | 50 | 1 | 9 | 15 | 26.9 | 0.299 | 22.04 |
19 | 70 | 3 | 9 | 15 | 29.8 | 0.311 | 20.25 |
20 | 30 | 3 | 10 | 20 | 25.9 | 0.250 | 21.06 |
21 | 50 | 3 | 9 | 10 | 29.3 | 0.468 | 30.32 |
22 | 30 | 3 | 10 | 10 | 26.5 | 0.332 | 24.78 |
23 | 50 | 5 | 10 | 20 | 25.2 | 0.350 | 27.99 |
24 | 50 | 3 | 11 | 20 | 26.5 | 0.348 | 25.24 |
25 | 70 | 1 | 10 | 15 | 29.8 | 0.449 | 27.22 |
26 | 50 | 1 | 11 | 15 | 27.6 | 0.270 | 19.61 |
27 | 70 | 3 | 10 | 20 | 28.0 | 0.282 | 20.77 |
Low SSA ZnO | - | - | - | - | 4.5 | 0.020 | 10.30 |
