Page 366 - Advances in Eco-Fuels for a Sustainable Environment

Physicochemical fuel properties and tribological behavior of aegle marmelos correa biodiesel 321

Table 11.2 Physicochemical properties of diesel, AMC oil, and AMC biodiesel

EN 14214/
AMC AMC ASTM
Properties Diesel oil biodiesel limit Test methods
Density at 15°C 824 910 880 875–900 ASTM 1298,
3
(kg/m ) EN ISO 3675
Acid value (mg 0 5.6 0.2 0.5max. EN 14104,
of KOH/g of oil) D 664
Cloud point (°C) 0 4 1 NS* D 2500
Pour point temp 14 0 4 NS* ASTM D 97
(°C)
Flash point (°C) 54 325 164 130min D 93
Fire point (°C) 62 335 175 NS D 93
Viscosity at 40°C 2.39 27.92 3.75 3.5–5 ASTM D445,
2
(mm /sec) EN ISO 3104
Calorific value 42 39.46 37.5 NS D240
(MJ/kg)
Carbon residue 0.0109 0.03 0.025 0.05max. D 4530
(wt.%)
Saponification NS 277 224 NS D1962
(mg KOH/g of
oil)
Iodine value (mg NS 85 56 <120 EN 14111
of I 2 /g of oil)
Peroxide value NS 50 NS NS NS
(ppm)
Fat content g/ NS 98.96 NS NS NS
100gm

Fig. 11.4 Transesterification reaction mechanism.