Temperature, °C | 120 | 120 |
Pressure O2/Σ, MPa | 0.4 | 10 |
Catalyst, % (w/w) | 0.05 | 0.05 |
Kinematic viscosity at 40°C, mm2/s | 156.9 | 143.4 |
Peroxide number, meq O2/kg | 15.16 | 13.10 |
Iodine number, g I2/100 g | 54.10 | 63.70 |
Saponification number, mg KOH/g | 214.23 | 248.70 |
Acid number, mg KOH/g | 25.70 | 28.05 |
Average O2uptake by test sample, mg/l | Oil 1 | 0.0 ± 0.0 | 83.9 ± 0.0 | 138.8 ± 0.0 | 174.0 ± 0.0 | 202.5 ± 2.0 |
Oil 2 | 0.0 ± 0.0 | 91.4 ± 2.0 | 144.0 ± 2.0 | 180.0 ± 2.0 | 208.5 ± 6.0 | |
Average O2 uptake in the blank test, mg/l | Blank test (b.1.) | 0.0 ± 0.0 | 9.0 ± 2.1 | 10.5 ± 2.1 | 13.5 ± 2.1 | 13.5 ± 2.1 |
Average O2 intake in the reference material, mg/l | Reference material (w.1.) | 0.0 ± 0.0 | 85.4 ± 2.1 | 112.5 ± 2.1 | 123.0 ± 0.0 | 126.0 ± 4.2 |
Degree of decomposition, % (BOD/ThOD*C)*100 | Oil 1 | - | 26.9 ± 0.0 | 45.9 ± 0.0 | 57.7 ± 0.0 | 68.0 ± 0.8 |
Oil 2 | - | 29.3 ± 0.8 | 47.5 ± 1.5 | 59.3 ± 0.8 | 69.4 ± 2.3 | |
Reference material (w.1.) | - | 59.2 ± 1.6 | 79.1 ± 1.6 | 84.9 ± 0.0 | 87.2 ± 3.3 |
3100–2800 | =C−H, C−H | −CH3, −CH2 | stretching |
1656 | C=C | stretching | |
1444 | C−H | −CH2 | stretching |
1300 | −C−H | −CH2 | scissoring |
1266 | =C−H | −CH2 | twisting |
1087 | C−C | −(CH2)n | stretching |
Activated sludge suspension, g/l | 9.229 |
pH | 6.93 |
Dissolved oxygen content, mg/l | 3.02 |
Sedimentation after 0.5 h, ml/100 ml | 89 |