Composition of Algal Oil and Its Potential as Biofuel

Table 3

Comparison of selected properties of algal biooil and typical conventional diesel with respect to the European norm for biodiesel [14].

Fuel property	Algal biodiesel	Petroleum diesel	EN14214 standard
Higher heating value (MJ/kg)	41	45.9	—
Kinematic viscosity (mm²/s) 40°C	5.2	1.2–3.5	3.5–5.2
Density (kg/L)	0.864	0.83-0.84	0.86–0.90
Carbon (wt%)	76	87	—
Hydrogen (wt%)	≤12,7	13	—
Oxygen (wt%)	≥11,3	0	—
Sulphur (wt%)	0	0.05 max	<10 max. 0,02
Boiling point (°C)	—	180–340	—
Flash point (°C)	115	60–80	>101
Cloud point (°C)	—	−15 to 5	—
Pour point (°C)	−12	−35 to −15	—
Cetane number	—	51	>51