Operation | Feed Composition | Operating time (day) | Secondary Effluent | Primary Effluent | ||||
% TN removal | % COD removal | % Phosphorus removal | % TN removal | % COD removal | % Phosphorus removal | |||
Start up | 100% SWW | 2 | 72 | 53 | 54 | 52 | 20.5 | 63 |
80% SWW + 20% RWW | 2 | 62 | 42 | 21 | 35 | 16 | 48 | |
50% SWW + 50% RWW | 2 | 58 | 31 | 27 | 40 | 15.5 | 52 | |
40% SWW + 60% RWW | 2 | 58 | 32 | 40 | 37.7 | 14.7 | 54 | |
30% SWW + 70% RWW | 2 | 62 | 33 | 61 | 33.5 | 10.5 | 72 | |
20% SWW + 80% RWW | 2 | 67 | 33 | 63 | 34 | 9.5 | 73 | |
100% RWW | 2 | 69 | 32 | 64 | 35 | 14 | 76 |