Table 6.
Analysis of detergent industrial effluent before and after adsorption by Mucor sp. NRCC6 dead biomass compared to FEPA/WHO standards
| *Parameter | Non-treated | Treated | Reduction values (%) | FEPA/WHO standards |
|---|---|---|---|---|
| Temp (°C) | 25.5 ± 0.0 | 30.0 ± 0.0 | −17.65 | 40 |
| Turbidity (NTU) | 21.41 ± 2.16 | 5.00 ± 0.47 | 76.65 | NS |
| pH | 2.0 ± 0.01 | 5.91 ± 0.03 | −195.50 | 6–9 |
| TSS | 3600 ± 41.15 | 715.99 ± 14.25 | 80.11 | 30 |
| TDS | 10000 ± 80.47 | 2024.00 ± 17.30 | 79.76 | NS |
| Oil and grease | 282 ± 15.14 | 10.16 ± 1.19 | 96.40 | NS |
| COD | 4687 ± 43.40 | 1038.00 ± 18.44 | 77.85 | 200 |
| BOD | 3200 ± 34.27 | 990.13 ± 18.76 | 69.06 | 30 |
| Dissolved oxygen (DO) | 6.43 ± 0.45 | 1.91 ± 0.34 | 70.30 | >2 |
| Cr6+ | 5.70 ± 0.51 | 2.28 ± 0.32 | 60.00 | 0.05 |
| Cd2+ | 0.19 ± 0.04 | 0.04 ± 0.0 | 78.95 | 0.003 |
| As2+ | 0.35 ± 0.08 | 0.11 ± 0.0 | 68.57 | 0.01 |
| Cu2+ | 1.50 ± 0.21 | 0.39 ± 0.04 | 74.00 | 2.0 |
| Pb2+ | 0.10 ± 0.02 | 0.0 ± 0.0 | 100.0 | 0.01 |
| Ni2+ | 2.30 ± 0.30 | 0.06 ± 0.0 | 97.39 | 0.07 |
| Mn2+ | 40.80 ± 3.62 | 4.61 ± 0.46 | 88,70 | NS |
| Zn2+ | 19.0 ± 1.05 | 0.00 ± 0.0 | 100.0 | NS |
| Fe3+ | 410.80 ± 19.21 | 122.33 ± 8.52 | 70.22 | NS |
| PO43− | 91.56 ± 7.81 | 22.14 ± 2.39 | 75.82 | 5 |
| SO42− | 411.20 ± 22.54 | 115.78 ± 7.11 | 71.84 | 500 |
| NO3−1 | 26.29 ± 2.01 | 4.77 ± 0.48 | 81.86 | 20 |
| NH4–N | 193.5 ± 12.44 | 36.21 ± 3.60 | 81.29 | 15 |
NS, not specified. *All determents in mg/L, pH in pH units, temperature in °C, and turbidity in NTU. NM means not mentioned