Table 2.
Discharge parameter | 0 h | 74 h | Removal (%) |
---|---|---|---|
Cycle 1 | |||
TOC (mg L−1) | 2214.26 ± 46.84 | 591.97 ± 3.63 | 73.26 ± 0.40 |
TC (mg L−1) | 2290.00 ± 48.08 | 608.50 ± 4.38 | 73.42 ± 0.37 |
IC (mg L−1) | 75.74 ± 1.24 | 16.53 ± 0.75 | 78.18 ± 0.64 |
TN (mg L−1) | 411.49 ± 20.53 | 264.40 ± 4.81 | 36.49 ± 5.00 |
CU | 1500.00 ± 0.00 | 12.63 ± 2.19 | 99.16 ± 0.15a |
COD (mg L−1) | 6045.00 ± 35.36 | 1660.00 ± 0.00 | 72.43 ± 0.00 |
BOD5 (mg L−1) | 999.00 ± 0.00 | 999.00 ± 0.00 | 0.00 ± 0.00 |
TSS (mg L−1) | 275.00 ± 35.36 | 50.00 ± 0.00 | 80.00 ± 0.00 |
BOD5/COD | 0.16 | 0.60 | N/A |
TOC/TN | 5.38 | 2.24 | N/A |
COD/TOC | 2.73 | 2.80 | N/A |
pH | 4.16 ± 0.20 | 5.05 ± 0.20 | N/A |
Cycle 2 | |||
TOC (mg L−1) | 135.86 ± 6.70 | 74.01 ± 0.50 | 45.45 ± 3.06 |
TC (mg L−1) | 165.09 ± 3.97 | 93.22 ± 1.22 | 43.36 ± 2.65 |
IC (mg L−1) | 29.11 ± 0.93 | 19.36 ± 0.57 | 33.49 ± 0.19 |
TN (mg L−1) | 94.76 ± 1.63 | 93.20 ± 0.62 | 2.17 ± 1.32 |
CU | 1500.00 ± 0.00 | 6.31 ± 4.37 | 99.58 ± 0.29a |
COD (mg L−1) | 760.00 ± 155.56 | 280.00 ± 14.14 | 67.82 ± 1.63 |
BOD5 (mg L−1) | 999.00 ± 0.00 | 250.00 ± 0.00 | 74.98 ± 0.00 |
TSS (mg L−1) | 66.67 ± 28.87 | 66.67 ± 28.87 | 0.00 ± 0.00 |
BOD5/COD | 1.30 | 0.80 | N/A |
TOC/TN | 1.43 | 0.79 | N/A |
COD/TOC | 5.59 | 3.78 | N/A |
pH | 7.21 ± 0.20 | 8.01 ± 0.20 | N/A |
Cycle 3 | |||
TOC (mg L−1) | 47.08 ± 1.41 | 20.60 ± 3.13 | 56.13 ± 7.96 |
TC (mg L−1) | 54.22 ± 2.17 | 27.81 ± 1.54 | 48.61 ± 4.59 |
IC (mg L−1) | 6.33 ± 0.73 | 7.34 ± 0.85 | 0.00 ± 0.00 |
TN (mg L−1) | 60.07 ± 0.66 | 60.60 ± 0.00 | 0.00 ± 0.00 |
CU | 1500.00 ± 0.00 | 10.10 ± 2.19 | 99.33 ± 0.15a |
COD (mg L−1) | 370.00 ± 0.00 | 295.00 ± 21.21 | 15.71 ± 6.06 |
BOD5 (mg L−1) | 250.00 ± 0.00 | 250.00 ± 0.00 | 0.00 ± 0.00 |
TSS (mg L−1) | 166.67 ± 28.87 | 33.33 ± 28.87 | 83.33 ± 14.43 |
BOD5/COD | 0.60 | 0.80 | N/A |
TOC/TN | 0.78 | 0.34 | N/A |
COD/TOC | 7.86 | 14.32 | N/A |
pH | 7.28 ± 0.20 | 7.50 ± 0.20 | N/A |
N/A does not apply, N/C unable to calculate
aPercentage calculated from 1500.00 CU at the beginning of treatment