Month | Total nitrogen mgN·dm-3 | BOD5 mgO2·dm-3 | CODCr mgO2·dm-3 | Total phosphorus mgP·dm-3 | Total suspension [mg·dm-3] | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UW | PTE | TW | UW | PTE | TW | UW | PTE | TW | UW | PTE | TW | UW | PTE | TW | |
January | 69.54 | 63.26 | 7.10 | 407 | 293 | 4.78 | 940 | 614 | 25.2 | 13.64 | 12.68 | 0.38 | 383 | 187 | 9.77 |
February | 66.49 | 61.41 | 7.30 | 397 | 299 | 4.67 | 853 | 578 | 44.7 | 10.16 | 7.18 | 0.37 | 363 | 194 | 10.25 |
March | 61.68 | 60.14 | 8.81 | 267 | 209 | 4.49 | 1109 | 829 | 42.5 | 8.51 | 7.39 | 0.39 | 435 | 178 | 10.92 |
April | 76.33 | 72.10 | 8.54 | 322 | 276 | 4.09 | 1079 | 824 | 55.0 | 6.72 | 6.52 | 0.46 | 334 | 167 | 6.25 |
May | 73.53 | 70.15 | 7.34 | 545 | 263 | 5.36 | 1123 | 796 | 49.5 | 5.39 | 4.83 | 0.43 | 472 | 192 | 7.15 |
June | 44.76 | 39.73 | 4.75 | 310 | 245 | 3.23 | 521 | 301 | 23.8 | 3.89 | 2.81 | 0.14 | 337 | 140 | 6.89 |
July | 65.28 | 63.77 | 6.44 | 286 | 263 | 5.72 | 583 | 466 | 48.1 | 6.35 | 5.08 | 0.23 | 371 | 158 | 7.53 |
August | 62.05 | 59.23 | 6.62 | 390 | 252 | 4.62 | 1458 | 801 | 39.0 | 7.46 | 7.10 | 0.36 | 316 | 194 | 10.42 |
September | 60.39 | 59.90 | 5.63 | 330 | 284 | 4.14 | 720 | 531 | 32.2 | 6.78 | 6.07 | 0.41 | 343 | 203 | 10.65 |
October | 70.62 | 60.49 | 8.62 | 356 | 268 | 5.11 | 820 | 528 | 49.3 | 9.24 | 7.70 | 0.62 | 454 | 190 | 7.11 |
November | 77.11 | 75.53 | 8.10 | 368 | 287 | 2.78 | 1160 | 832 | 49.0 | 9.04 | 7.89 | 0.35 | 343 | 131 | 9.75 |
December | 78.58 | 76.82 | 8.23 | 383 | 291 | 3.04 | 985 | 793 | 47.8 | 9.14 | 8.04 | 0.36 | 325 | 124 | 8.76 |
No | Name of substance | Load in untreated sewage [kg/d] | Load in treated sewage [kg/d] | Reduction scope of load of a given substance [%] |
---|---|---|---|---|
1. | Biochemical oxygen demand (BOD5) | 9216 | 117 | 98.73 |
2. | Chemical oxygen demand (CODCr) | 23228 | 1065 | 95.41 |
3. | Total suspension | 8966 | 295 | 96.70 |
4. | Total nitrogen | 1691 | 168 | 90.06 |
5. | Total phosphorus | 193 | 9.1 | 95.28 |
No | Name of substance | Unit | Concentration value in untreated sewage | Concentration value in treated sewage | Scope of concentration reduction of a given substance [%] | Minimum required percentage of concentration reduction of a given substance [%] |
---|---|---|---|---|---|---|
1. | Biochemical oxygen demand (BOD5) | mgO2·dm-3 | 361.64 | 4.45 | 98.77 | 90 |
2. | Chemical oxygen demand (CODCr) | mgO2·dm-3 | 942.36 | 1.66 | 99.82 | 75 |
3. | Total suspension | mg·dm-3 | 377.36 | 8.79 | 97.67 | 90 |
4. | Total nitrogen | mgN·dm-3 | 66.16 | 7.20 | 89.12 | 70-80 |
5. | Total phosphorus | mgP·dm-3 | 7.93 | 0.38 | 95.21 | 80 |