Table 2 Physicochemical properties of prepared fuels51.

From: Experimental investigation of Al₂O₃ and CeO₂ nanoparticle additives in diesel-cottonseed biodiesel (CSOME) blends for performance and emission mitigation in a CI engine

Property

Test method

ASTM D6751 (B100)

B20

B20+Al₂O₃

B20+CeO₂

B20+Al₂O₃+CeO₂

Density @20 °C (g/ml)

D4052

0.86–0.90

0.8435 ± 0.0010

0.8442 ± 0.0009

0.8445 ± 0.0011

0.8447 ± 0.0010

Flash Point (°C)

D93

≥130

86 ± 1.5

87 ± 1.3

87 ± 1.6

85 ± 1.4

Cloud Point (°C)

D2500

–3 to 12

2 ± 0.5

2 ± 0.5

2 ± 0.5

2 ± 0.5

Viscosity @40 °C (cSt)

D562

1.9–6.0

4.428 ± 0.050

4.216 ± 0.045

3.890 ± 0.055

4.009 ± 0.048

Calorific Value (MJ/kg)

D240

37–42

39.45 ± 0.08

39.61 ± 0.07

39.64 ± 0.09

39.86 ± 0.07