Table 1
Properties of used oil-derived middle distillates from Mexican refineries.
| Property | ASTM method | SRGO1 | SRGO2 | LCO | CGO | SR1LC |
|---|---|---|---|---|---|---|
| API gravity (°) | D-287-12 | 33.4 | 33.12 | 13.4 | 34.78 | 28.77 |
| IBP/FBP (°C) | D-86-12 | 255.3/358.2 | 161.1/360.8 | 213/352.1 | 182.6/323.1 | 219.3/344.9 |
| Cetane index | D-976-06 | 50.92 | 50.3 | 19.9 | 42.71 | 42.05 |
| S (wt%) | D-4294-98 | 1.279 | 2.03 | 2.487 | 2.088 | 1.811 |
| N (ppm) | D-4629-08 | 220 | 410 | 335 | 507 | 300 |
| Aromatics (wt%) | D-5186-03 | 29.8 | 34.1 | 84.2 | 36.4 | 44.9 |
| Mono- | 18.5 | 20.6 | 17.6 | 20.8 | 18.8 | |
| Di- | 7.9 | 10.9 | 58.9 | 12.2 | 21.7 | |
| Tri- | 3.4 | 2.6 | 7.7 | 3.4 | 4.4 | |
| Aliphatics (wt%)a | 70.2 | 65.9 | 15.8 | 63.6 | 55.1 |