Table 1 Average BOD results and removal ratios.
From: Impact of microalgae layer thickness on the treatment performance of drain water
Distance m | CH1 | CH2 | CH3 | CH4 | CH5 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Conc. mg/l | R.R% | Conc. mg/l | R.R% | Conc. mg/l | R.R% | Conc. mg/l | R.R% | Conc. mg/l | R.R% | |
0 | 486 | 0 | 486 | 0 | 486 | 0 | 486 | 0 | 486 | 0 |
1.5 | 486 | 0 | 376 | 23 | 346 | 29 | 366 | 25 | 416 | 15 |
5 | 486 | 0 | 346 | 29 | 296 | 39 | 336 | 31 | 376 | 23 |
10 | 486 | 0 | 296 | 39 | 266 | 45 | 286 | 41 | 346 | 29 |
