Table 1.
Theoretical antibiotic and disinfectants concentrations (per day) in the hospital wastewater (HWW) and the sewage treatment plant (STP). The hospital consumption values represent the mean of the four months.
| Compound | Hospital consumption (mg L−1) |
Antibiotic fraction excreted by urine (%) |
HWW (mg L−1) |
STP (ng L−1) |
|---|---|---|---|---|
| Antibiotics | ||||
| Ampicillin | 11,833 | 57 | 1.204 | 0.0066 |
| Cefalotin | 28,716 | 60 | 3.077 | 0.0169 |
| Ceftazidime | 641 | 85 | 0.097 | 0.0005 |
| Ceftriaxone | 30,650 | 61 | 3.339 | 0.0184 |
| Ciprofloxacin | 6,106 | 35 | 0.382 | 0.0021 |
| Gentamycin | 20 | 71 | 0.002 | 0.00001 |
| Vancomycin | 24,291 | 45 | 1.952 | 0.0107 |
|
| ||||
| (%v/v) | (%v/v) | (%v/v) | ||
|
| ||||
| Disinfectants | ||||
| Nitrofurazone | 0.0002 | 0.0002 | <0.00001 | |
| Povidone-iodine | 0.0018 | 0.0018 | <0.00001 | |
| Chlorhexidine | 0.0001 | 0.0001 | <0.00001 | |
| Glutaraldehyde | 0.0012 | 0.0012 | <0.00001 | |
| Sodium hypochlorite | 0.0193 | 0.0193 | <0.00001 | |