Parameter | Kai [46] | Qadir, 2008 [44] | Almoayied [45] | Present study |
Technique | Septic tank | Septic tank | Compacted Sand Filter | Microfilters |
pH | 6 - 9 | Nd | Nd | 7.9 - 8.5 |
TSS | <20 mg/L | Nd | Nd | Nd |
Turbidity | <5 NTU | Nd | Nd | 30.7% - 77% Removal |
BOD | <20 mg/L | 59% | 78% - 96% | 95.96% - 99% Removal |
COD | Nd | 62% | 69% - 98% | 61.14% - 67.66% Removal |
TKN | Nd | 70% | Nd | 54.37% - 91.0 % Removal |
EC | Nd | Nd | Nd | 3.98% - 5.81% Removal |
TDS | Nd | Nd | Nd | 4.1% - 5.82% Removal |