Table 5.
Central composite design (CCD) matrix of three independent variables for H2 production in actual values with experimental results of WS by employing Rhodobacter capsulatus-PK (SS-8) in the presence of tungsten lamp with light intensity of 120-150 W/m2
|
Run No |
Variables |
Response |
Yield |
||
|---|---|---|---|---|---|
| X1 | X2 | X3 | Y hydrogen production (ml) | Mole of H2/mole of substrate | |
| 1 |
-1.000 |
-1.000 |
-1.000 |
528 |
0.98 |
| 2 |
-1.682 |
0.000 |
0.000 |
587 |
1.09 |
| 3 |
1.000 |
-1.000 |
-1.000 |
597 |
1.11 |
| 4 |
0.000 |
0.000 |
0.000 |
709 |
1.32 |
| 5 |
1.682 |
0.000 |
0.000 |
603 |
1.12 |
| 6 |
0.000 |
0.000 |
0.000 |
709 |
1.32 |
| 7 |
0.000 |
0.000 |
0.000 |
712 |
1.32 |
| 8 |
0.000 |
0.000 |
0.000 |
711 |
1.32 |
| 9 |
1.000 |
-1.000 |
1.000 |
561 |
1.04 |
| 10 |
0.000 |
1.682 |
0.000 |
598 |
1.11 |
| 11 |
0.000 |
0.000 |
1.682 |
551 |
1.02 |
| 12 |
0.000 |
0.000 |
-1.682 |
559 |
1.04 |
| 13 |
0.000 |
0.000 |
0.000 |
709 |
1.32 |
| 14 |
0.000 |
-1.682 |
0.000 |
554 |
1.03 |
| 15 |
0.000 |
0.000 |
0.000 |
709 |
1.32 |
| 16 |
1.000 |
1.000 |
1.000 |
542 |
1.01 |
| 17 |
-1.000 |
1.000 |
-1.000 |
568 |
1.06 |
| 18 |
-1.000 |
1.000 |
1.000 |
572 |
1.06 |
| 19 |
1.000 |
1.000 |
-1.000 |
540 |
1.00 |
| 20 | -1.000 | -1.000 | 1.000 | 527 | 0.98 |