Research Article
Statistical Optimization of Fermentation Process Parameters by Taguchi Orthogonal Array Design for Improved Bioethanol Production
Table 7
Validation of Taguchi experimental data values.
| Factor/parameter | Taguchi optimum | Experiment optimum |
| Recombinant GH5 cellulase (5.7 U mg−1, 0.45 mg mL−1) (%, v v−1) | 1.0 | 1.0 | Recombinant GH43 hemicellulase (3.7 U mg−1, 0.32 mg mL−1) (%, v v−1) | 2.0 | 0.5 | S. cerevisiae ( cells mL−1) (%, v v−1) | 1.5 | 1.5 | C. shehatae ( cells mL−1) (%, v v−1) | 0.25 | 0.25 | pH | 4.3 | 5.0 | Temperature (°C) | 35 | 35 | ratio | −10.95 | −11.99 | Response experimental ethanol titre (%, v v−1) | 0.2540 | 0.2512 | Response predicted (%, v v−1) ethanol titre (%, v v−1) | 0.2705 | 0.2677 | Ethanol titre (g L−1) | 2.00 | 1.98 | Ethanol yield (g of ethanol g of substrate−1) | 0.200 | 0.198 |
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