Research Article
Chemical and Biological Investigation of Organic Wastes of Frying Oils and Beef Fats: Valorization for Biodiesel Production
Table 2
Determination of acid value, water content, and viscosity of biodiesel issued from WFO and WBF transesterification through the biological process.
| | Raw material | Catalyst | Acid value (mgKOH/goil) | Acid value EN14214 standard mgKOH/goil | Viscosity (mm2/s) | Viscosity EN14214 standard mm2/s |
| | Waste frying oils | Commercial lipase | 5.749 | 0.5 | 5.829 | 3.5 to 5 | | Whole-cell | 2.240 | 6.115 | | Waste beef fats | Commercial lipase | 1.226 | 6.445 | | Whole-cell | 2.572 | 9.999 |
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