| H3PO4 activation (Model 1) | ACP preparation parameters | IN (mg/g) - Y1 | MBN (mg/g) - Y2 | Yield (%) -Y3 | ||||||
| Run order | H3PO4 Concentration (x1) | Carbonization temperature (x2) | Carbonization time (x3) | Exp. value | Pre. value | Exp. value | Pre. value | Exp. value | Pre. value | |
| 1 |
| 2(−1) | 400(−1) | 75(0) | 342.27 | 341.43 | 107.05 | 128.68 | 52.53 | 51.84 |
| 2 |
| 10(1) | 400(−1) | 75(0) | 347.67 | 369.88 | 249.79 | 278.67 | 46.36 | 45.53 |
| 3 |
| 2(−1) | 700(1) | 75(0) | 455.01 | 432.10 | 195.76 | 166.89 | 33.98 | 34.81 |
| 4 |
| 10(1) | 700(1) | 75(0) | 451.31 | 452.15 | 369.82 | 348.19 | 38.31 | 38.99 |
| 5 |
| 2(−1) | 550(0) | 30(−1) | 373.32 | 389.30 | 166.19 | 175.17 | 48.26 | 49.58 |
| 6 |
| 10(1) | 550(0) | 30(−1) | 441.57 | 434.50 | 364.68 | 366.42 | 40.97 | 42.41 |
| 7 |
| 2(−1) | 550(0) | 120(1) | 392.92 | 399.99 | 191.68 | 189.94 | 38.68 | 37.23 |
| 8 |
| 10(1) | 550(0) | 120(1) | 418.58 | 402.60 | 338.95 | 329.97 | 43.58 | 42.27 |
| 9 |
| 6(0) | 400(−1) | 30(−1) | 446.84 | 431.71 | 346.00 | 315.39 | 46.57 | 45.95 |
| 10 |
| 6(0) | 700(1) | 30(−1) | 497.49 | 503.73 | 374.14 | 394.03 | 39.91 | 37.78 |
| 11 |
| 6(0) | 400(−1) | 120(1) | 412.53 | 406.30 | 349.23 | 329.33 | 41.19 | 43.32 |
| 12 |
| 6(0) | 700(1) | 120(1) | 492.79 | 507.93 | 327.81 | 358.42 | 27.31 | 27.93 |
| 13 |
| 6(0) | 550(0) | 75(0) | 464.84 | 466.04 | 265.17 | 265.79 | 44.66 | 43.36 |
| 14 |
| 6(0) | 550(0) | 75(0) | 465.01 | 466.04 | 266.11 | 265.79 | 43.73 | 43.36 |
| 15 |
| 6(0) | 550(0) | 75(0) | 468.28 | 466.04 | 266.11 | 265.79 | 41.70 | 43.36 |
| ZnCl2 activation (Model 2) | ACZ preparation parameters | IN (mg/g) - Y4 | MBN (mg/g) - Y5 | Yield (%) -Y6 | ||||||
| Run order | ZnCl2 Concentration (x1) | Carbonization temperature (x2) | Carbonization time (x3) | Exp. value | Pre. value | Exp. value | Pre. value | Exp. value | Pre. value | |
| 1 |
| 2(−1) | 400(−1) | 75(0) | 350.44 | 359.12 | 149.88 | 137.30 | 49.93 | 51.62 |
| 2 |
| 10(1) | 400(−1) | 75(0) | 431.83 | 456.77 | 203.91 | 225.85 | 45.36 | 43.38 |
| 3 |
| 2(−1) | 700(1) | 75(0) | 452.79 | 427.85 | 158.03 | 136.10 | 31.65 | 33.63 |
| 4 |
| 10(1) | 700(1) | 75(0) | 516.25 | 507.57 | 374.25 | 386.83 | 38.71 | 37.03 |
| 5 |
| 2(−1) | 550(0) | 30(−1) | 357.96 | 378.21 | 148.86 | 182.28 | 48.26 | 46.74 |
| 6 |
| 10(1) | 550(0) | 30(−1) | 503.27 | 507.27 | 351.14 | 350.05 | 39.23 | 41.38 |
| 7 |
| 2(−1) | 550(0) | 120(1) | 441.94 | 437.94 | 150.90 | 151.99 | 40.71 | 38.56 |
| 8 |
| 10(1) | 550(0) | 120(1) | 506.51 | 486.25 | 356.93 | 323.51 | 37.56 | 39.08 |
| 9 |
| 6(0) | 400(−1) | 30(−1) | 492.60 | 463.66 | 336.17 | 315.33 | 44.34 | 44.17 |
| 10 |
| 6(0) | 700(1) | 30(−1) | 539.98 | 544.66 | 359.67 | 348.18 | 36.78 | 36.32 |
| 11 |
| 6(0) | 400(−1) | 120(1) | 508.93 | 504.25 | 228.38 | 239.87 | 42.78 | 43.24 |
| 12 |
| 6(0) | 700(1) | 120(1) | 513.84 | 542.78 | 345.96 | 366.81 | 26.60 | 26.77 |
| 13 |
| 6(0) | 550(0) | 75(0) | 507.30 | 502.39 | 235.52 | 272.23 | 41.91 | 40.71 |
| 14 |
| 6(0) | 550(0) | 75(0) | 499.12 | 502.39 | 281.40 | 272.23 | 39.20 | 40.71 |
| 15 |
| 6(0) | 550(0) | 75(0) | 500.76 | 502.39 | 299.76 | 272.23 | 41.01 | 40.71 |