Fuel Property

1(Petroleum diesel)

2(PKO Biodiesel)

3Rapeseed Biodiesel

4Canola Biodiesel

5Jathropha Biodiesel

6Pawpaw Biodiesel

7WCO Biodiesel

Specific Gravity

0.853

0.883

0.876

0.878

0.880

0.867

0.858

Flash Point °C

74

167

124

177

170

135

150

Pour Point°C

–16

2

–2

–1

 

4.000

7

Cloud Point °C

–12

6

–10

–6

 

7.000

10

Aniline Point °C

 

 

 

 

 

5.000

4

API Gravity

 

 

 

 

 

31.710

33.42

Heat of Combustion Cal/g

 

 

 

 

 

10821.45

10854.06

Viscosity @ 40°C mm2/s

2.847

4.839

6.170

4.892

5.65cSt

1.650

1.89

Cetane Index

 

 

 

 

50

11.140

10.96

Diesel Index

 

 

 

 

 

1.585

1.337

pH

 

 

 

 

 

7.400

7.43


1-4 Alamu et al, 2008; 5 Reddy et al. 2005 & [22]; 6,7 (Owolabi et al. 2011)
Table 3: Characterization of the WCO based biodiesel.