Research Article
Adsorptive Removal of Cd(II) Ions from Wastewater Using Maleic Anhydride Nanocellulose
Table 1
Physicochemical properties of the SERWW used in the study.
| | Parameter | Lowest value | Maximum value | Average |
| | pH | 6.9 ± 0.05 | 8.3 ± 0.05 | 7.5 ± 0.05 | | EC(μS cm−1) | 260 ± 0.3 | 270 ± 0.3 | 265 ± 0.3 | | COD (mg/L) | 42.25 ± 0.2 | 60.5 ± 0.2 | 51.4 ± 0.2 | | BOD (mg/L) | 30.4 ± 0.02 | 42.8 ± 0.02 | 36.75 ± 0.02 | | TIN (mg/L) | 31.5 ± 0.02 | 54.6 ± 0.02 | 43.05 ± 0.02 | | (mg.N/L) | 4.3 ± 0.05 | 5.8 ± 0.05 | 5.04 ± 0.05 | | (mg.N/L) | 26.7 ± 0.02 | 32.3 ± 0.02 | 29.5 ± 0.02 | | TP (mg/L) | 10.2 ± 0.3 | 12.6 ± 0.3 | 11.44 ± 0.3 | | Mg2+ (mg/L) | 41.5 ± 0.6 | 60.3 ± 0.6 | 50.9 ± 0.6 | | Cu2+ (mg/L) | 0.30 ± 0.03 | 0.56 ± 0.03 | 0.43 ± 0.03 | | Cd2+ (mg/L) | 0.08 ± 0.04 | 0.16 ± 0.04 | 0.12 ± 0.04 |
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TP: total phosphorus; TIN: total inorganic nitrogen; BOD: biological oxygen demand; COD: chemical oxygen demand.
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