Table 3.
Discharge parameters for different CLWW (1500.00 CU) treatment processes with rPOXA 1B enzyme concentrate
| Discharge parameter | 0 h | 73 h | Removal (%) |
|---|---|---|---|
| Process 1 | |||
| TOC (mg L−1) | 420.06 ± 9.53 | 273.71 ± 5.08 | 34.84 ± 0.27 |
| TC (mg L−1) | 481.20 ± 11.03 | 332.80 ± 6.79 | 30.84 ± 0.18 |
| IC (mg L−1) | 61.14 ± 1.50 | 59.09 ± 1.71 | 3.36 ± 0.43 |
| TN (mg L−1) | 205.37 ± 6.71 | 198.53 ± 6.11 | 3.32 ± 1.48 |
| CU | 1500.00 ± 0.00 | 49.24 ± 3.79 | 96.72 ± 0.25a |
| COD (mg L−1) | 1865.00 ± 49.49 | 840.00 ± 84.85 | 55.00 ± 3.36 |
| TOC/TN | 2.05 | 1.38 | N/A |
| COD/TOC | 4.44 | 3.07 | N/A |
| pH | 6.96 ± 0.20 | 7.97 ± 0.20 | N/A |
| Process 2 | |||
| TOC (mg L−1) | 172.53 ± 2.81 | 112.16 ± 0.68 | 34.98 ± 1.45 |
| TC (mg L−1) | 210.70 ± 4.10 | 134.64 ± 0.08 | 36.09 ± 1.20 |
| IC (mg L−1) | 38.49 ± 1.07 | 22.48 ± 0.76 | 41.11 ± 0.02 |
| TN (mg L−1) | 112.94 ± 0.59 | 104.25 ± 5.08 | 8.85 ± 5.23 |
| CU | 1500.00 ± 0.00 | 44.19 ± 35.36 | 97.05 ± 0.15a |
| COD (mg L−1) | 885.00 ± 77.78 | 345.00 ± 35.36 | 60.69 ± 7.45 |
| TOC/TN | 1.53 | 1.08 | N/A |
| COD/TOC | 5.13 | 3.08 | N/A |
| pH | 7.16 ± 0.20 | 7.65 ± 0.20 | N/A |
| Process 3 | |||
| TOC (mg L−1) | 155.81 ± 0.41 | 101.61 ± 2.70 | 34.79 ± 1.56 |
| TC (mg L−1) | 191.70 ± 2.21 | 129.64 ± 3.71 | 32.89 ± 1.67 |
| IC (mg L−1) | 36.29 ± 1.45 | 27.61 ± 1.69 | 23.98 ± 1.69 |
| TN (mg L−1) | 105.12 ± 1.07 | 103.35 ± 1.43 | 1.77 ± 0.91 |
| CU | 1500.00 ± 0.00 | 53.03 ± 0.00 | 96.47 ± 0.00a |
| COD (mg L−1) | 785.00 ± 35.36 | 360.00 ± 14.14 | 54.05 ± 3.87 |
| TOC/TN | 1.48 | 0.98 | N/A |
| COD/TOC | 5.04 | 3.54 | N/A |
| pH | 7.19 ± 0.20 | 7.90 ± 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