Table 4. Treatment performances of CW units during Phase 2b to 3b
Unit Parameters, mg/L
No.
Impounding
periods, days SS TS TCOD TKN NH3 NO3
Raw septage 11,820 13,710 14,485 993 412 9
Percolate
1 12 147 (99) 3,886 (73) 349 (97) 56 (94) 30 (92) 13
1 6 111 (99) 3,112 (78) 289 (98) 90 (91) 62 (85) 36
2 2 228 (98) 2,557 (82) 459 (97) 139 (86) 99 (76) 50
3 0 391 (97) 3,035 (78) 803 (95) 198 (80) 140 (66) 106
+ Averaged from 144 composite samples, while removal efficiencies are given in parentheses depended on
Table 4. Treatment performances of CW units during Phase 2b to 3bUnit Parameters, mg/LNo.Impoundingperiods, days SS TS TCOD TKN NH3 NO3Raw septage 11,820 13,710 14,485 993 412 9Percolate1 12 147 (99) 3,886 (73) 349 (97) 56 (94) 30 (92) 131 6 111 (99) 3,112 (78) 289 (98) 90 (91) 62 (85) 362 2 228 (98) 2,557 (82) 459 (97) 139 (86) 99 (76) 503 0 391 (97) 3,035 (78) 803 (95) 198 (80) 140 (66) 106+ Averaged from 144 composite samples, while removal efficiencies are given in parentheses depended on
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