Research Article
Thermodynamic Studies of the Arsenic Adsorption on Iron Species Generated by Electrocoagulation
Table 2
Conditions for arsenic adsorption tests.
| | Samples | Initial concentration (mg/L) | Initial temperature | Initial pH | Intensity current (amperes) | Voltage (volts) | Time (min) |
| | 1 | 1 | 20 | 2.86 | 0.49 | 8.5 | 5 | | 2 | 2 | 20 | 3.02 | 0.52 | 12 | 5 | | 3 | 5 | 20 | 2.90 | 0.44 | 10 | 5 | | 4 | 7 | 20 | 3.05 | 0.41 | 12.8 | 5 | | 5 | 13 | 20 | 2.90 | 0.48 | 10.7 | 5 | | 6 | 20 | 20 | 3.02 | 0.5 | 10.25 | 5 | | 7 | 30 | 20 | 4.17 | 0.75 | 6.68 | 5 |
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