Table 7.
Assesment of fertilizer industrial effluent composition before and after adsorption by NRCA8 dead biomass
| Parameter* | Raw | Treated % | Reduction (R%) | Egypt law | USEPA | WHO |
|---|---|---|---|---|---|---|
| pH | 7.92 | 6.76 | 14.65 | 6.0–9.5 | NM | NM |
| Temperature turbidity | 27.50 | 32.00 | − 16.36 | 43.00 | NM | NM |
| TSS | 18.26 | 4.16 | 77.22 | NM | NM | NM |
| TDS | 68.52 | 6.99 | 89.80 | 8.00 | NM | NM |
| Oil and grease | 600.33 | 100.00 | 83.33 | 97.00 | NM | NM |
| COD | 0.62 | 0.31 | 50.00 | 100.00 | NM | NM |
| Nitrogen Phosphorus | 123.00 | 39.00 | 68.29 | 11.00 | NM | NM |
| Cr6+ | 190.00 | 22.16 | 88.34 | 100.00 | NM | NM |
| Cd2+ | 48.72 | 10.24 | 78.98 | 25.00 | NM | NM |
| Pb2+ | 0.29 | 0.01 | 96.55 | 0.50 | 0.10 | 0.05–0.05 |
| Hg+ | 0.82 | 0.14 | 82.93 | 0.20 | 0.005 | 0.003–0.03 |
| Cu2+ | 9.74 | 0.00 | 100.00 | 1.00 | 0.015 | 0.40–0.40 |
| Ni2+ | 1.18 | 0.00 | 100.00 | 0.005 | 0.001 | 0.001–0.001 |
| Mn2+ | 33.58 | 4.19 | 87.62 | 1.50 | 1.30 | 0.5–2.00 |
| Zn2+ | 3.69 | 0.05 | 98.65 | 1.00 | NM | 0.01–0.02 |
| Fe3+ | 6.19 | 0.00 | 100.00 | NM | 0.05 | 0.40–0.40 |
| Al3+ | 43.61 | 0.00 | 100.00 | NM | 5.00 | 1.00–3.00 |
| Co2+ | 50.80 | 2.33 | 95.41 | NM | 0.30 | 1.00–3.00 |
| 2.51 | 0.00 | 100.00 | NM | 0.05–0.20 | 0.05–0.20 | |
| 0.88 | 0.04 | 95.46 | NM | NM | 0.01–0.01 |
*All determents in mg/L, pH in pH units, temperature in °C, and turbidity in NTU
NM not mentioned