Table 6 The effect of disinfectant on the persistence of coronavirus in wastewater.
Ref. | Coronavirus | Disinfectant | Dosage (mg/L) | % inactivation | Genome concentration (copies/L) | Minimum contact time (min) | Free residual chlorine (mg/L) | |
|---|---|---|---|---|---|---|---|---|
Initial | Final | |||||||
SARS-CoV (BJ01) | Chlorine | 10 | 100 | Â | Â | 10 | 0.4 | |
20 | 100 | N.A. | N.A. | 1 | 0.59 | |||
Chlorine dioxide | 10 | 68.38 | N.A. | N.A. | 10 | N.A. | ||
40 | 100 | Â | Â | 5 | 17.59 | |||
SARS-CoV-2 | Sodium hypochlorite | 800 | N.A. | N.A. | 0.5 × 103-1.87 × 104 | 90 | >6.5 (initially); N.D. (after 12 h) | |
6700 | 100 | N.A. | N.D. | 90 | 21.0–25.0 (after 12 h) | |||
