Table 6. Dissipation parameters of SDZ, TRIM and ENRO in different test systems.
| Antibiotics | k | DT50 | DT90 | DT99 | R2 |
|---|---|---|---|---|---|
| day-1 | day | Day | day | ||
| Water phase | |||||
| Natural light system (A) | |||||
| SDZ | 0.1369 | 5.1 | 16.8 | 33.6 | 0.9121 |
| TRIM | 0.0238 | 29.1 | 96.7 * | 193.5 * | 0.9030 |
| ENRO | 1.1093 | 0.6 | 2.1 | 4.2 | 0.9337 |
| Light control system (D) | |||||
| SDZ | - | - | - | - | - |
| TRIM | 0.0228 | 30.4 | 101.0 * | 201.0 * | 0.6898 |
| ENRO | 0.5302 | 1.3 | 4.3 | 8.7 | 0.8407 |
| Water:sediment—natural light system (B) | |||||
| SDZ | 0.0798 | 9.8 | 32.5 | 65.0 | 0.9633 |
| TRIM | 0.1151 | 6.0 | 20.0 | 40.0 | 0.8602 |
| ENRO | 0.7649 | 0.9 | 3.0 | 6.0 | 0.9979 |
| Water:sediment—light control system (C) | |||||
| SDZ | 0.0493 | 14.1 | 46.7 | 93.4 * | 0.8364 |
| TRIM | 0.1265 | 5.5 | 18.2 | 36.4 | 0.9639 |
| ENRO | 0.5558 | 1.2 | 4.1 | 8.3 | 0.9945 |
| Total system | |||||
| Water:sediment—natural light system (B) | |||||
| SDZ | 0.029 | 23.9 | 79.4 | 158.8 * | 0.8566 |
| TRIM | 0.0588 | 11.8 | 39.2 | 78.3 | 0.7989 |
| ENRO | - | - | - | - | - |
| Water:sediment—light control system (C) | |||||
| SDZ | 0.0215 | 32.2 | 107.1 * | 214.2 * | 0.7426 |
| TRIM | 0.0862 | 8.0 | 26.7 | 53.4 | 0.9486 |
| ENRO | 0.0157 | 44.1 | 146.7 * | 293.3 * | 0.6951 |
*: outside of incubation period