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.
Property
Unit
EN590: 2009 specification
EN590
Cetane Number
51 (min)
57
Density at 15°C
kg/m3
820–845
833
Flash Point
°C
55 (min)
84
Viscosity at 40°C
mm2/s
2.0–4.5
2.79
Lubricity, corrected wear scar diameter at 60°C
micron
460 (max)
327
FAME content
vol%
7 (max)
0
Total Aromatics Content
% (v/v)
NS*
22.80
Sulphur content
ppm
10 (max)
<1
Carbon residue (on 10% distillation residue)
mass%
0.3 (max)
0.02
Ash content
mass%
0.01 (max)
<0.01
Water Content
ppm
200 (max)
44
Total contamination
ppm
24 (max)
0.60
Copper strip corrosion (3 h at 50°C)
rating
Class 1
1a
Oxidation stability
h
20 (min)
>20
PAH’s
% (m/m)
8
NM*
CP
°C
−10 to −34
−22
CFPP
°C
5 to −44
−20
PP
°C
NS*
−27
Distillation 95% (v/v recovered at) as measured by ASTM D86
°C
360
348
NS: no specification available. *NM: not measured.