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Physicochemical properties of BSL and BSL-BC before adsorption.
| Sample | pH | EC a | SSA b | Pore volume | Pore diameter | Ash content | Elements (%) | Heavy metals (mg/kg) | Other cations (mg/g) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (μS/cm) | (m2/g) | (cm3/g) | (nm) | (%) | C | H | N | O | P | Cd | Pb | K | Ca | Na | Mg | ||
| BSL | – | – | 0.7860 | 0.002000 | 9.309 | – | 42.34 | 5.520 | 1.080 | – | 0.0004200 | – | – | – | – | – | – |
| BSL-BC | 9.980 | 5.520 | 15.73 | 0.06800 | 17.04 | 17.27 | 58.19 | 3.380 | 1.380 | 19.78 | 0.001000 | 0.005400 | 0.1000 | 5.910 | 1.260 | 0.3700 | 5.710 |
aEC Electrical conductivity.
bSSA Specific surface area.
