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Table 3 Characteristics of CMOME produced at optimum conditions in comparison with literature

From: The untapped industrial crop, Cucumeropsis mannii: dry oil extraction, characterization and potential use as biodiesel feedstock and heavy metal sink

 

EN-14214

ASTM D-6751

[20]

This study

Ester content (%)

≥ 96.5

  

97.4

Acid value (mg KOH g−1)

≤ 0.5

≤ 0.8

 

0.21

Density at 15 °C (kg m− 3)

860–900

 

889.9

883

Saponification value (mg KOH g− 1)

   

132

Iodine value [g I2 (100 g)−1]

≤ 120

  

124

Cetane index

   

60

High heating value (kJ g−1)

   

42

Kinematic viscosity at 40 °C (mm2 s− 1)

3.5–5.0

1.9–6.0

15.1

4.9

Water content (mg kg−1)

≤ 500

≤ 500

 

390

CFPP (°C)

   

−3

Cloud point (°C)

   

-2

Pour point (°C)

  

-3

-3

Flash point (°C)

≥ 120

≥130

155

173

Fire point (°C)

   

204