Table 8 Confirmation experiments of CCD (RSM) model for Rhodobacter capsulatus -PK (SS-8) and enzymatically hydrolyzed WS
From: Photo-biohydrogen production potential of Rhodobacter capsulatus- PK from wheat straw
X1(h) | X2(mg) | X3(g) | H2production (ml) | |||
|---|---|---|---|---|---|---|
| Â | actual | predicted | residual | error (%) | ||
48 | 300 | 2.00 | 708.34 | 710.25 | -1.91 | 0.27 |
24 | 300 | 2.50 | 611.23 | 605.61 | 5.62 | 0.92 |
48 | 400 | 2.00 | 673.12 | 666.31 | 6.81 | 1.01 |
48 | 300 | 2.50 | 651.05 | 649.55 | 1.50 | 0.23 |
50 | 320 | 2.20 | 697.47 | 698.94 | -1.47 | 0.21 |
40 | 280 | 1.70 | 683.09 | 681.15 | 1.94 | 0.28 |