Table 4. Antioxidant Effect of Bio-oil Fractions on Biodiesel Oxidation Stability.
sample (number of replicates) | ASD-% | tneat BD(min) | tdoped BD(min) | AntiOxP |
---|---|---|---|---|
bio-oil (4) | 0.5 ± 0.1 | 24.1 ± 0.9 | 32 ± 2 | 16.7 ± 0.6 |
WS-DCMS (2) | 0.54 ± 0.03 | 22.7 | 50 ± 2 | 50.0 ± 0.2 |
WS-DCMS-T (2) | 0.46 ± 0.03 | 22 ± 1 | 25 ± 2 | 7.7 ± 0.4 |
WS-DCMS-D (3) | 0.49 ± 0.02 | 20.8 ± 0.2 | 41 ± 2 | 41 ± 2 |
WS-DCMS-M (3) | 0.44 ± 0.03 | 22.0 ± 0.8 | 59 ± 9 | 82 ± 15 |
WI-DCMS (2) | 0.54 ± 0.04 | 20.7 | 49 ± 3 | 52 ± 2 |
WI-DCMS-H (3) | 0.79 ± 0.08 | 21.2 ± 0.9 | 28 ± 2 | 8 ± 1 |
WI-DCMS-T (3) | 0.5 ± 0.2 | 22.0 ± 0.3 | 33 ± 6 | 22 ± 6 |
WI-DCMS-D (2) | 0.43 ± 0.01 | 22 ± 1 | 40 ± 2 | 41 ± 5 |
WI-DCMS-M (3) | 0.44 ± 0.06 | 21.3 ± 0.5 | 34.4 ± 0.5 | 30 ± 6 |
WI-DCMI (2) | 0.2 ± 0.1 | 21.4 ± 1.0 | 32.1 ± 6.1 | 51.1 ± 0.8 |