Research Article
Preparation and Characterization of Functionalized Cellulose Nanomaterials (CNMs) for Pb(II) Ions Removal from Wastewater
Table 1
Physicochemical properties of the SERWW used in the study.
| | Parameter | Lowest value | Maximum value | Average |
| | pH | 5.8 ± 0.03 | 6.3 ± 0.03 | 6.15 ± 0.03 | | EC (S cm−1) | 250 ± 0.5 | 270 ± 0.5 | 260 ± 0.5 | | COD (mg/L) | 42.84 ± 0.2 | 63.4 ± 0.2 | 48.5 ± 0.2 | | BOD (mg/L) | 35.7 ± 0.04 | 45.8 ± 0.04 | 40.75 ± 0.04 | | TIN (mg/L) | 33.7 ± 0.02 | 57.8 ± 0.02 | 38.5 ± 0.02 | | NO3- (mg.N/L) | 3.5 ± 0.04 | 5.9 ± 0.04 | 9.4 ± 0.04 | | NH4+ (mg.N/L) | 36.9 ± 0.02 | 45.5 ± 0.02 | 42.3 ± 0.02 | | TP (mg/L) | 8.9 ± 0.3 | 13.8 ± 0.3 | 10.6 ± 0.3 | | Mg2+ (mg/L) | 54.2 ± 0.2 | 66.8 ± 0.2 | 60.5 ± 0.2 | | Cu2+ (mg/L) | 0.26 ± 0.03 | 0.54 ± 0.03 | 0.40 ± 0.03 |
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TP: total phosphorus, TIN: total inorganic nitrogen, BOD: biological oxygen demand, COD: chemical oxygen demand.
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