Std | Run | Factors | Xylan recovery | |||
---|---|---|---|---|---|---|
X1: alkaline concentration (%w/v) | X2: steaming time (min) | X3: steaming temperature (°C) | Observed value (%) | Predicted value (%) | ||
14 | 1 | 0 (12) | 0 (30) | 1.682 (133.64) | 54.49 ± 0.61 | 52.66 |
13 | 2 | 0 (12) | 0 (30) | − 1.682 (66.36) | 11.71 ± 0.39 | 12.36 |
9 | 3 | − 1.682 (1.91) | 0 (30) | 0 (100) | 5.19 ± 1.27 | 7.73 |
7 | 4 | − 1 (6) | 1 (45) | 1 (120) | 44.39 ± 3.42 | 44.60 |
15 | 5 | 0 (12) | 0 (30) | 0 (100) | 16.24 ± 0.53 | 13.87 |
17 | 6 | 0 (12) | 0 (30) | 0 (100) | 15.07 ± 2.24 | 13.87 |
6 | 7 | 1 (18) | − 1 (15) | 1 (120) | 8.37 ± 0.42 | 13.94 |
16 | 8 | 0 (12) | 0 (30) | 0 (100) | 13.67 ± 1.31 | 13.87 |
18 | 9 | 0 (12) | 0 (30) | 0 (100) | 17.20 ± 4.30 | 13.87 |
1 | 10 | − 1 (6) | − 1 (15) | − 1 (80) | 8.39 ± 1.76 | 10.29 |
20 | 11 | 0 (12) | 0 (30) | 0 (100) | 10.69 ± 0.01 | 13.87 |
10 | 12 | 1.682 (22.09) | 0 (30) | 0 (100) | 14.89 ± 1.38 | 11.17 |
3 | 13 | − 1 (6) | 1 (45) | − 1 (80) | 3.87 ± 0.54 | − 0.87 |
2 | 14 | 1 (18) | − 1 (15) | − 1 (80) | 10.86 ± 4.08 | 11.49 |
11 | 15 | 0 (12) | − 1.682 (4.77) | 0 (100) | 11.81 ± 0.62 | 7.97 |
12 | 16 | 0 (12) | 1.682 (55.23) | 0 (100) | 24.14 ± 3.98 | 26.79 |
5 | 17 | − 1 (6) | − 1 (15) | 1 (120) | 23.42 ± 2.09 | 22.45 |
4 | 18 | 1 (18) | 1 (45) | − 1 (80) | 9.92 ± 0.66 | 11.72 |
19 | 19 | 0 (12) | 0 (30) | 0 (100) | 10.16 ± 1.19 | 13.87 |
8 | 20 | 1 (18) | 1 (45) | 1 (120) | 48.55 ± 2.12 | 47.49 |