Research Article
Removal of Heavy Metals from Drinking Water by Magnetic Carbon Nanostructures Prepared from Biomass
Table 4
Thermodynamics parameters for the adsorption of heavy metals on carbon nanostructures prepared from watermelon waste.
| Heavy metals | | | | 25°C | 30°C | 35°C | 40°C | 45°C |
| Arsenic | −4.0926 | 29.156 | −8.69 | −8.84 | −8.98 | −9.14 | 9.28 | Chromium | −9.512 | 55.742 | −16.62 | −16.90 | −17.18 | −17.46 | −17.74 | Copper | −10.795 | 54.387 | −16.22 | −16.49 | −16.77 | −17.04 | −17.31 | Lead | −14.721 | 61.258 | −18.27 | −18.58 | −18.89 | −19.19 | −19.50 | Zinc | −16.645 | 70.944 | −21.16 | −21.52 | −21.87 | −22.23 | −22.58 |
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