| Zeolite | Surface Area (m2·g−1) | Pore Volume (cm3·g−1) | Average Pore Width (Å) |
| Raw zeolite | 10.39 | 0.005 | 7.16 |
| Clean zeolite | 15.15 | 0.034 | 10.24 |
| H2SO4 treated | 108.50 | 0.032 | 5.31 |
| Carbon coated zeolite | 160.05 | 0.044 | 5.31 |