Research Article
Investigation of the Changes in Surface Area and FT-IR Spectra of Activated Carbons Obtained from Hazelnut Shells by Physicochemical Treatment Methods
Table 4
Effects of the treatment procedures on the Pb(II) adsorption capacity and surface area of the ACs.
| | Properties of the adsorbent material | Pb(II) adsorption capacity (mg/g) | BET surface area (m2/g) |
| | Raw hazelnut shell | 44.6 | 5.92 |
| | Charcoal (after pyrolysis at 250°C) | 57.3 | 270.2 |
| | Charcoal treated with Ca(OCl)2 followed by pyrolysis at 250°C | 87.2 | 471.49 |
| | Charcoal treated with only microwave application during the chemical treatment followed by pyrolysis at 250°C | 117.2 | 516.2 |
| | Charcoal treated with microwave and ultrasound applications together during the chemical treatment followed by pyrolysis at 250°C | 151.3 | 595.38 |
| | Charcoal treated with microwave and ultrasound applications together during the chemical treatment followed by pyrolysis at 700°C | 212.3 | 1197.6 |
|
|
