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Optimized reaction parameters for biodiesel production using chemical and enzymatic transesterification of under-study feedstock.
| Catalyst/enzyme | C/E concentration | Reaction time | Reaction temperature | Methanol : oil molar ratio | Biodiesel yield |
|---|---|---|---|---|---|
| NaOH | 0.5% | 75 Min | 52.5°C | 7.5 : 1 | 47.6% |
| KOH | 0.75% | 90 Min | 45.0°C | 6 : 1 | 92.7% |
| NaOCH3 | 0.75% | 90 Min | 45.0°C | 6 : 1 | 95.4% |
| NOVOZYME-435 | 1.0% | 60 Hrs | 32.5°C | 6 : 1 | 94.2% |
| A.n.Lipase | 1.25% | 96 Hrs | 30.0°C | 9 : 1 | 62.8% |
