Research Article
Removal of Heavy Metal Ions (Pb2+, Co2+, and Cd2+) by Activated Carbon from Cypress Fruit: An Investigation of Kinetics, Thermodynamics, and Isotherms
Table 2
EDS analysis of ACC before and after adsorption.
| Element | Sample | ACC | ACC-Pb2+ | ACC-Co2+ | ACC-Cd2+ | % Weight | % Atom | % Weight | % Atom | % Weight | % Atom | % Weight | % Atom |
| C | 67.99 | 76.36 | 64.85 | 74.42 | 72.88 | 80.46 | 67.15 | 78.97 | O | 21.14 | 17.83 | 28.66 | 24.69 | 21.52 | 17.84 | 18.63 | 16.45 | Na | 7.17 | 4.21 | 0.86 | 0.51 | 0.0 | 0.0 | 2.26 | 1.39 | P | 3.69 | 1.61 | 0.0 | 0.0 | 2.21 | 0.94 | 5.11 | 2.33 | Pb | 0.0 | 0.0 | 5.64 | 0.38 | 0.0 | 0.0 | 0.0 | 0.0 | Co | 0.0 | 0.0 | 0.0 | 0.0 | 3.39 | 0.76 | 0.0 | 0.0 | Cd | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 6.85 | 0.86 |
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