From: Heavy metal removal using a fixed bed bioreactor packed with a solid supporter
Raw water sample | Metal concentration before treatment (ppm) | Metal concentration after treatment (ppm) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Cu | Pb | Zn | Cd | Fe | Cu | Pb | Zn | Cd | Fe | |
1 | 29.52* | 19.44 | 45.2 | 22.84 | 164 | 0 | 1.72 | 0 | 0 | 113.16 |
2 | 12.4 | 0.0052 | 28.8 | 8 | 152.64 | 0 | 3.52 | 0 | 0 | 145.4 |
3 | 23.52 | 21.32 | 19.6 | 18.6 | 82.04 | 0 | 0 | 0 | 0 | 10.16 |
4 | 8.04 | 17 | 10 | 17.12 | 98.52 | 0 | 5.88 | 0.01 | 0 | 27.52 |
5 | 26.32 | 22.32 | 13.5 | 19.6 | 99.44 | 0 | 8.44 | 0 | 0 | 39.8 |
6 | 17.84 | 14.44 | 17.7 | 0.007 | 80.84 | 0 | 10.12 | 0 | 0 | 44.48 |
7 | 8.52 | 1.44 | 27.7 | 11.04 | 135.68 | 0 | 0.96 | 0 | 0 | 39.28 |
8 | 38.88 | 24.24 | 8.5 | 20.44 | 91.52 | 0 | 23.52 | 0.21 | 0.44 | 40.84 |
9 | 8.56 | 8.84 | 12.7 | 2.36 | 107.6 | 0 | 7.4 | 0 | 0 | 33.04 |
10 | 18 | 10.36 | 10.6 | 6.04 | 166.16 | 0 | 9.36 | 0 | 0 | 45.72 |
11 | 15.96 | 35 | 25.67 | 11.76 | 167.95 | 0 | 27.32 | 0 | 0 | 25.2 |
12 | 18.28 | 26.96 | 17.8 | 14.68 | 168.99 | 0 | 23.36 | 0 | 0 | 54.76 |
13 | 9.92 | 17.36 | 8.8 | 3.32 | 161.96 | 0 | 6.2 | 0 | 0 | 35.52 |
Average removal efficiency % | – | – | – | – | – | 100 | 47 | 100 | 100 | 62 |