Table 1 Textural properties, chemical titration results, and isolated Cu(II) contents of the catalysts
From: Unraveling the mysterious failure of Cu/SAPO-34 selective catalytic reduction catalysts
Sample | BET surface area (m2/g)a | Micropore volume (cm3/g)a | NH3 storage (mmol/g)b | H/Cu ratio (100–600 °C)c | EPR active Cu (wt%) |
|---|---|---|---|---|---|
Cu1-F | 364 | 0.204 | 0.825 | 1.63 ± 0.16 | 0.70 |
Cu1-LT | 208 | 0.112 | 0.577 | 1.84 ± 0.12 | 0.67 |
Cu1-HT | 184 | 0.097 | 0.314 | 1.18 ± 0.05 | 0.60 |
Cu1-S | 86 | 0.042 | 0.114 | 1.98 ± 0.08 | 0.51 |
Cu2-F | 456 | 0.241 | 0.874 | 1.65 ± 0.04 | 1.63 |
Cu2-LT | 344 | 0.189 | 0.886 | 1.68 ± 0.09 | 1.42 |
Cu2-HT | 390 | 0.210 | 0.804 | 1.78 ± 0.08 | 1.48 |