Research Article
Treatment of Antibiotic Pharmaceutical Wastewater Using a Rotating Biological Contactor
Table 3
Weight (
) and water ratio of biofilm on single disc and removal percentages in different stages.
| | Stage | Wet , SD (g) | Dry , SD (g) | Dry
(g/m2) | Water ratio
(%) |
COD, SD
removal (%) |
BOD5, SD
removal (%) |
| | 1st | 166.93 | 2.81 | 4.24 | 0.0672 | 26.5 | 97.46 | 48.6 | 0.66 | 51.4 | 0.68 | | 2nd | 84.76 | 1.62 | 2.37 | 0.0361 | 14.8 | 97.20 | 30.9 | 0.37 | 31.2 | 0.42 | | 3rd | 45.99 | 0.843 | 1.60 | 0.0233 | 10.0 | 96.52 | 20.5 | 0.24 | 17.4 | 0.30 |
|
|
