Table 6: Properties of microalgal biodiesel in the scenario C40 and its comparison with soybean and the standards used in the US (ASTM 6751), Europe (EN 14214) and Brazil (ANP 255).
| Properties |
Microalgae |
Soybeana
|
ANP 255 |
ASTM 6751 |
EN 14214 |
| EC (%) |
99.8 |
96.9 |
- |
- |
min 96.5 |
| CN |
56.31 |
49.0 |
min 45 |
min 47 |
min 51 |
| IV (gl2 100g-1) |
70.04 |
128 |
- |
- |
max 120 |
| DU (%) |
74.5 |
143.8 |
- |
- |
- |
| SV |
211.8 |
- |
- |
- |
- |
| LCSF (%) |
7.5 |
1.6 |
- |
- |
- |
| CFPP (°C) |
7.09 |
-5.0 |
max 19 |
- |
- |
| CP (°C) |
6.87 |
- |
- |
- |
- |
| APE |
66.0 |
- |
- |
- |
- |
| BAPE |
22.0 |
- |
- |
- |
- |
| OS (h) |
8.52 |
1.3 |
- |
min 3 |
min 6 |
| HVV |
39.5 |
- |
- |
- |
- |
| µ (mm2 s-1) |
4.68 |
4.2 |
- |
1.9-6.0 |
3.5-5.0 |
| ρ (g cm-3) |
0.87 |
- |
- |
- |
- |
EC: Ester Content; CN: Cetane Number; IV: Iodine Value; DU: Degree of Unsaturation; SV: Saponification Value; LCSF: Long-Chain Saturated Factor; CFPP: Cold Filter Plugging Point; CP: Cloud Point; APE: Allylic Position Equivalents; BAPE: Bis-Allylic Position Equivalents; OS: Oxidation Stability; HVV: Higher Heating Value; m: kinematic viscosity; r: kinematic density.