Table 4 Experimental design and results of central composite design (CCD).
Run order | Concentration | Temperature | Carbon | Inoculum | Response | |
|---|---|---|---|---|---|---|
Experimental | Predicted | |||||
1 | 100 | 35 | 1.5 | 50005000 | 71.1 | 71.2 |
2 | 100 | 45 | 1.5 | 50005000 | 30.2 | 38.1 |
3 | 75 | 30 | 3 | 100000000 | 80.1 | 73.6 |
4 | 125 | 40 | 3 | 10000 | 22.4 | 18.6 |
5 | 50 | 35 | 1.5 | 50005000 | 91.2 | 87.6 |
6 | 75 | 30 | 3 | 10000 | 22.3 | 30.6 |
7 | 125 | 40 | 0 | 10000 | 15.4 | 14.5 |
8 | 100 | 35 | − 1.5 | 50005000 | 11.2 | 17.3 |
9 | 125 | 40 | 0 | 100000000 | 35.4 | 28.5 |
10 | 100 | 35 | 1.5 | 50005000 | 71.5 | 71.2 |
11 | 75 | 40 | 0 | 10000 | 37.7 | 43.6 |
12 | 100 | 35 | 1.5 | 50005000 | 71.9 | 71.2 |
13 | 125 | 30 | 3 | 10000 | 11.1 | 12.0 |
14 | 125 | 30 | 3 | 100000000 | 65.7 | 55.5 |
15 | 125 | 40 | 3 | 100000000 | 69.2 | 57.1 |
16 | 100 | 35 | 1.5 | 50005000 | 69.8 | 71.2 |
17 | 75 | 40 | 0 | 100000000 | 65.1 | 57.1 |
18 | 125 | 30 | 0 | 100000000 | 33.4 | 23.8 |
19 | 100 | 35 | 1.5 | 50005000 | 71.6 | 71.2 |
20 | 75 | 40 | 3 | 100000000 | 90.2 | 74.3 |
21 | 100 | 25 | 1.5 | 50005000 | 25.4 | 27.8 |
22 | 100 | 35 | 1.5 | − 49985000 | 6.2 | 3.4 |
23 | 75 | 40 | 3 | 10000 | 34.1 | 36.3 |
24 | 150 | 35 | 1.5 | 50005000 | 30.1 | 40.3 |
25 | 100 | 35 | 1.5 | 149995000 | 45.2 | 56.9 |
26 | 125 | 30 | 0 | 10000 | 3.4 | 4.8 |
27 | 100 | 35 | 1.5 | 50005000 | 71.5 | 71.2 |
28 | 75 | 30 | 0 | 100000000 | 60.2 | 53.5 |
29 | 75 | 30 | 0 | 10000 | 30.2 | 35.0 |
30 | 100 | 35 | 4.5 | 50005000 | 30.4 | 41.6 |
31 | 100 | 35 | 1.5 | 50005000 | 71.3 | 71.2 |
