Research Article
Study on Individual PAHs Content in Ultrafine Particles from Solid Fractions of Diesel and Biodiesel Exhaust Fumes
Table 1
Fuel and biofuel properties.
| Fuel |
| Appearance | Yellow liquid | Boiling point | 347°C | The temperature of freezing |
°C | Flash point | Not less than 120°C | Ignition temperature | Under 250°C | Limit of explosiveness | The product does not pose a risk of explosion | Vapour pressure in temp. | 50°C: < 1 kPa | Density (6) | 0.860 ÷ 0.900 g cm−3 | Kinetic viscosity (20) | 3.5–5 mm2 s−1 | Solubility | Insoluble in water; soluble in most organic solvents | Heat of combustion | ca. 40 190 kJ/kg |
| Biofuel |
| Fatty acid (Rapeseed) Methyl Esters (RME) content | 96.5% (by mass) | Density at 15°C | max. 900 kg/m3 | Viscosity at 40°C | max 5.00 mm2/s | Flash point | 101°C | Cetane number | 51.0 | Specific energy | 37.7 MJ/kg |
|
|