| Term |
Effect |
Coefficient (Cxi) |
t-value |
P |
| Constant |
|
40.125 |
24.06 |
<0.01 |
| Time |
5.5 |
2.7 |
1.65 |
0.138 |
| Glucose |
21 |
10.5 |
6.3 |
<0.01 |
| NH4)2SO4 |
-2.75 |
-1.375 |
-0.82 |
0.434 |
| Initial pH |
-1.25 |
-0.25 |
-0.37 |
0.718 |
| Initial COD |
-5.5 |
-2.7 |
-1.65 |
0.138 |
| Inoculum size |
3.5 |
1.7 |
1.05 |
0.325 |
| Agitation |
11.25 |
5.625 |
3.37 |
0.01 |
|
