Table 3.
pHpzc and textural characteristics of supports and corresponding catalysts.
| Sample | pHpzc | SBET (m2/g) |
W0 (N2) (cm3/g) |
L0 (N2) nm |
W0 (CO2) (cm3/g) |
Vmeso (cm3/g) |
VT (cm3/g) |
|---|---|---|---|---|---|---|---|
| OSC | 10.3 | 136 | 0.06 | n.a. | 0.17 | 0.08 | 0.17 |
| OSC-Fe | 2.2 | 10 | 0.01 | n.a. | 0.16 | 0.03 | 0.04 |
| OSC-AC | 10.6 | 792 | 0.33 | 1.2 | 0.20 | 0.04 | 0.39 |
| OSC-AC-Fe | 2.4 | 546 | 0.23 | 1.4 | 0.13 | 0.05 | 0.30 |
| OS-AC/KOH | 8.3 | 1013 | 0.43 | 1.7 | 0.18 | 0.09 | 0.55 |
| OS-AC/KOH-Fe | 2.0 | 526 | 0.23 | 2.0 | 0.17 | 0.08 | 0.33 |
| SDC | 11.5 | 82 | 0.04 | n.a. | 0.11 | 0.08 | 0.14 |
| SDC-Fe | 4.2 | 9 | 0.00 | n.a. | 0.10 | 0.02 | 0.03 |
| SDC-AC | 10.7 | 565 | 0.24 | 1.6 | 0.15 | 0.10 | 0.39 |
| SDC-AC-Fe | 3.2 | 176 | 0.08 | n.a. | 0.12 | 0.10 | 0.21 |
| N | 11.6 | 1058 | 0.44 | 1.6 | 0.21 | 0.08 | 0.55 |
| N-Fe | 2.4 | 777 | 0.33 | 1.7 | 0.23 | 0.07 | 0.42 |
| M | 7.0 | 831 | 0.35 | 1.5 | 0.25 | 0.07 | 0.44 |
| M-Fe | 1.9 | 663 | 0.28 | 1.6 | 0.22 | 0.06 | 0.36 |
SBET: BET surface area; W0: micropores’ volume; L0: mean micropores’ width; Vmeso: mesopores’ volume; VT: total pore volume (P/P0 = 0.95); n.a.: not applicable.