Table 5.
Surface characteristics, proximate contents, and elemental analyses of precursor, char, PKSAC and Ag-NPs-PKSAC.
| Properties | Sample |
|||
|---|---|---|---|---|
| PKS | Char | PKSAC | Ag-NPs-PKSAC | |
| BET surface area (m2/g) | - | 248.130 | 363.423 | 298.220 |
| Total pore volume (cm3/g) | - | 0.087 | 0.169 | 0.137 |
| Micropore volume (cm3/g) | - | 0.121 | 0.146 | 0.120 |
| Porosity (%) | 21 | 58 | 62 | |
| Average pore diameter (Å) | - | - | - | 16.2 |
|
Proximate Analysis (%) | ||||
| Moisture content | 7.3 | 6.6 | 5.9 | 5.7 |
| Volatile matter | 71.1 | 29.0 | 18.9 | 19.0 |
| Fixed Carbon | 18.5 | 59.7 | 69.2 | 69.3 |
| Ash | 3.1 | 4.7 | 6.0 | 6.0 |
|
Elemental Analysis (%) | ||||
| Carbon | 49.2 | 63.7 | 76.3 | 76.3 |
| Hydrogen | 5.9 | 4.5 | 4.2 | 4.2 |
| Nitrogen | 0.6 | 0.5 | 0.5 | 0.5 |
| Others | 44.3 | 31.3 | 19.1 | 19.0 |