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Table 1 Comparison of fuel properties of biodiesel produced from palm oil using free lipase and calcium alginate and Irvingia gabonensis-immobilized lipase based on American and European biodiesel standards

From: Improved biodiesel from palm oil using lipase immobilized calcium alginate and Irvingia gabonensis matrices

Fuel properties

Calcium alginate lipase

Irvingia gabonensis lipase

Free lipase

ASTM D6751 standard

EN 14214 standard

Pour point (°C)

5.8

6.5

6.7

 

(−15)-10

Flash point (°C)

282

280

270

> 100-170

> 130

Density (at 15 °C)

820

823

813

880

860-900

Cloud point (°C)

16.9

15

16.8

  

Kinematic viscosity (mm2/s)

4.9

4.9

4.9

1.9-6.0

3.5-5.0