Table 3 Experimental domin and levels of independent parameters for response surface methodology.
Factor | Unit | Alpha | -1 | 0 | 1 | Alpha |
|---|---|---|---|---|---|---|
Carbon source | g L−1 | 10 | 20 | 30 | 40 | 50 |
Nitrogen source | g L−1 | 10 | 20 | 30 | 40 | 50 |
pH | 6 | 7 | 8 | 9 | 10 | |
Bacterial concentration | ml L−1 | 10 | 20 | 30 | 40 | 50 |
