Table 4 Physio-chemical properties of diesel and biodiesel blends.
NO | Physio-chemical properties | ASTM | Limit | Test result of blends | ||||
|---|---|---|---|---|---|---|---|---|
6751-07b | B25 | B15 | B10 | B5 | B0 | |||
1 | Density@15 °C , g/ml | D1298 | Report | 0.875 | 0.862 | 0.857 | 0.8525 | 0.85 |
2 | Density@20 °C , g/l | D1298 | Report | 0.861 | 0.856 | 0.852 | 0.85 | 0.84 |
3 | Flashpoint (°C) | D93 | Max. 100 | 79.1 | 76.7 | 75.5 | 73.4 | 72.3 |
5 | Cloud point, °C | D2500 | Report | 0 | − 1 | − 1 | − 1 | 0 |
6 | Pour point, °C | D97 | Report | < − 8 | < − 8 | < − 8 | < − 8 | < − 8 |
7 | Kinematic viscosity | D445 | 1.9—6 | 3.828 | 3.5116 | 3.2865 | 3.2013 | 3.1637 |
8 | Cetain Index | D976 | Min. 47 | 51.34 | 51.127 | 47.56 | 50.46 | 52.905 |
9 | ASTM color | D1500 | Max. 3 | 1 < x < 1.6 | 1 < x < 1.6 | 1 < x < 1.6 | 1 < x < 1.6 | 1 |
10 | Water & segment, %V | D2709 | Max. 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 |
11 | Acidity, mg KOH/g | D974 | 0.5 | 0.105 | 0.048 | 0.0308 | 0.02421 | 0.0112 |
12 | Ash content, mass% | D482 | Max. 0.01 | 0.0009 | 0.0005 | 0.0004 | 0.0003 | 0.0002 |
13 | Calorific value, Cal/g | – | Report | 10,510 | 10,599 | 10,678 | 10,790 | 11,200 |
