TYPICAL COMPOSITION OF UNTREATED DOMESTIC WASTE WATER
-All values : mg/l
PARAMETER | STRONG | MEDIUM | WEAK |
|---|---|---|---|
Total solids | 1200 | 720 | 350 |
Total disolved solids | 850 | 500 | 250 |
Total suspended solids | 350 | 220 | 100 |
Settleable solids | 20 | 10 | 5 |
| BOD | 400 | 220 | 110 |
| TOC | 290 | 160 | 80 |
| COD | 1000 | 500 | 250 |
Total Nitrogen | 85 | 40 | 20 |
Organic Nitrogen | 35 | 15 | 8 |
Free Ammonia | 50 | 25 | 12 |
| Nitrite | 0 | 0 | 0 |
| Nitrates | 0 | 0 | 0 |
Total Phoshorus | 15 | 8 | 4 |
Organic Phosphorus | 5 | 3 | 1 |
Inorganic Phosphorus | 10 | 5 | 3 |
Chlorides | 100 | 50 | 30 |
Alkalinity as CaCo3 | 200 | 100 | 50 |
| Grease | 150 | 100 | 50 |