Table 2 The amounts of Brønsted and Lewis acid sites.
From: Improved surface acidity of CeO2/TiO2 catalyst by Cu doping to enhance the SCR catalytic activity
Samples | Py-IR results at 200 °C (mmol/g) | Py-IR results at 350 °C (mmol/g) | ||
---|---|---|---|---|
B acid sites | L acid sites | B acid sites | L acid sites | |
CeTi | 0.109 | 0.534 | 0.104 | 0.526 |
CeTiCu0.1 | 0.131 | 0.621 | 0.132 | 0.634 |
CeTiCu0.2 | 0.131 | 0.629 | 0.150 | 0.640 |
CeTiCu0.3 | 0.153 | 0.691 | 0.178 | 0.699 |