Research Article

A Comparison of the Stability Performance of Blends of Paraffinic Diesel and Petroleum-Derived Diesel, with RME Biodiesel Using Laboratory Stability Measurement Techniques

Table 6

Properties of the EN590 reference fuel used in the current study.

PropertyUnitEN590: 2009 specificationEN590

Cetane Number51 (min)57
Density at 15°Ckg/m3820–845833
Flash Point°C55 (min)84
Viscosity at 40°Cmm2/s2.0–4.52.79
Lubricity, corrected wear scar diameter at 60°Cmicron460 (max)327
FAME contentvol%7 (max)0
Total Aromatics Content% (v/v)NS*22.80
Sulphur contentppm10 (max)<1
Carbon residue (on 10% distillation residue)mass%0.3 (max)0.02
Ash contentmass%0.01 (max)<0.01
Water Contentppm200 (max)44
Total contaminationppm24 (max)0.60
Copper strip corrosion (3 h at 50°C)ratingClass 11a
Oxidation stabilityh20 (min)>20
PAH’s% (m/m)8NM*
CP°C−10 to −34−22
CFPP°C5 to −44−20
PP°CNS*−27
Distillation 95% (v/v recovered at) as measured by ASTM D86°C360348

NS: no specification available.
*NM: not measured.