Physicochemical properties of catalysts.
| Catalyst | S BET (m2 g−1) | V total (ml g−1) | V micropore (ml g−1) | Pba (mmol g−1) | Sna (mmol g−1) | Si/Ala ratio |
|---|---|---|---|---|---|---|
| Beta | 585.0 | 0.345 | 0.188 | — | — | 25 |
| deAl-beta | 578.5 | 0.365 | 0.189 | — | — | >1700 |
| Pb–Sn-beta-1 | 576.0 | 0.358 | 0.183 | 0.08 | 0.11 | >1700 |
| Pb–Sn-beta-2 | 573.7 | 0.351 | 0.179 | 0.19 | 0.21 | >1700 |
| Pb–Sn-beta-3 | 533.0 | 0.320 | 0.167 | 0.38 | 0.41 | >1700 |
| Pb–Sn-beta-4 | 441.4 | 0.293 | 0.137 | 0.81 | 0.79 | >1700 |
| Pb–Sn-beta-5 | 323.9 | 0.205 | 0.103 | 1.62 | 1.61 | >1700 |
| Pb–Sn-beta1thb | 574.0 | 0.362 | 0.189 | 0.15 | 0.16 | >1700 |
| Pb–Sn-beta2thc | 577.4 | 0.402 | 0.184 | 0.09 | 0.15 | >1700 |
a
Determined by ICP-OES analysis.
b
Catalyst after first calcination.
c
Catalyst after second calcination.