Table 2 Surface area and pore volumes derived from nitrogen adsorption data for the raw, leached materials, final products and standard sample
Sample | BET surface area (m2/g) | Total pore volume (cm3/g) | Micropore volume (cm3/g) |
|---|---|---|---|
Kaolin | 12 | 0.058 | 0.004 |
Leached metakaolin | 288 | 0.24 | 0.089 |
Diatomaceous earth | 38 | 0.093 | 0.003 |
Leached diatomaceous earth | 55 | 0.11 | 0.006 |
ZSM-5 (K) | 255 (82%) | 0.17 | 0.082 (68%) |
ZSM-5 (D) | 298 (96%) | 0.15 | 0.098 (82%) |
ZSM-5 standard | 310 | 0.15 | 0.12 |