Table 2.
Physicochemical properties of catalysts.
| Catalyst | Cu (wt.%)a | SBET (m2·g‒1)b | H2 (μmol·g‒1)c | Integral D/F2g signald |
|---|---|---|---|---|
| 1CuCe | 0.8 | 86.2 | α430, β124 | α0.11, β0.16 |
| 5CuCe | 3.4 | 88.2 | α1191, β510 | α0.47, β0.67 |
| 10CuCe | 9.7 | 83.9 | α2543, β1352 | α0.60, β0.96 |
| 15CuCe | 15.2 | 83.3 | α3791, β1996 | α0.65, β1.50 |
| 25CuCe | 26.5 | 80.1 | α4647, β3062 | α0.75, β1.69 |
| 15CuAl | 16.1 | 154.7 | / | / |
aDetermined with ICP-OES.
bDetermined with N2 adsorption.
cActual values of H2 consumption (α) and theoretic values of H2 consumption calculated according to Cu2+ → Cu0 (β).
dD/F2g internal ratio of fresh catalysts (α) and used catalysts (β).