Research Article
Selection of Lipases for the Synthesis of Biodiesel from Jatropha Oil and the Potential of Microwave Irradiation to Enhance the Reaction Rate
Table 4
Jatropha biodiesel properties obtained in the transesterification reaction with ethanol catalyzed by immobilized lipase PS on epoxy-SiO2-PVA.
| | Biodiesel property | Value | | Experimental | Predicted |
| | Ester content (%) | 98.3 ± 1.2 | — | | Density at 20°C (kg/m3) | 883.0 ± 0.5 | 820 | | Kinematic viscosity at 40°C (mm2/s) | 5.1 ± 0.5 | 1.27 | | Saponification value (SV) (mg KOH/g oil) | | 188.2 | | Iodine value (IV) (g I2/100 g oil) | | 99.4 | | Cetane number (CN) | | 53.0 | | Cold filter plugging point (CFPP) (°C) | | 9.28 | | Cloud point (CP) (°C) | | 1.32 | | Oxidation stability (OS) (h) | | 5.87 | | Higher heating value (HHV) (MJ/kg) | | 37.16 |
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Calculated using the software Biodiesel Analyzer version 1.1 [30].
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