Table 3.
Porosity and acidity characteristics of catalysts and catalytic performance of different bimetallic Ni-ZSM-5.
| Catalysts | Surface area (m2/g)a | Acidic properties (μmol/g) | Experimental conditions | Primary product (wt.%) | References | |||
|---|---|---|---|---|---|---|---|---|
| Brönsted acidity | Lewis acidity | Total acidity | Raw material | H2 pressure (MPa) | ||||
| 17 Ni 2 Cub | 63.0c | None | None | None | Phenol | APd | Cyclohexane (77) | Huynh et al., 2014 |
| 16 Ni 4 Cu | 65.3c | None | None | None | Phenol | AP | Cyclohexane (60) | Huynh et al., 2014 |
| 10 Ni 10 Co | 65.4c | 162 | 509 | 672 | Phenol | AP | Cyclohexane (92) | Huynh et al., 2014 |
| 5 Ni 14 Co | 63.5c | 166 | 527 | 693 | Phenol | AP | Cyclohexane (90) | Huynh et al., 2014 |
| 17 Ni 1 Pt | None | None | None | None | Cellulose | 4.0 | Hexitols (76.9) | Liang et al., 2014 |
| 1.3 Ni 3.1 Ga | 328 | None | None | None | Eucalyptus urophylla | None | BTEXe (NMf) | Schultz et al., 2016 |
| 8 Ni 8 Ce | 257 | None | None | None | Phenol | None | H2 (NM) | Li et al., 2017 |
| 45 Ni 5 Ca | None | 31.8 | 157.6 | 189.4 | 2-methoxyphenyl anisole | 1.0 | Phenol (31.3) | Guo et al., 2019 |
| 45 Ni 5 Ca | None | 31.8 | 157.6 | 189.4 | 2-(2-methoxyphenoxy)-1-phenylethanol | 1.0 | 1-Phenyl ethanol (37.6) Guaiacol (43.7) |
Guo et al., 2019 |
| 45 Ni 5 Ca | None | 31.8 | 157.6 | 189.4 | 4-phenoxyphenol | 1.0 | Toluene (49.4) Guaiacol (50.5) |
Guo et al., 2019 |
Multi-point BET method.
Refers to 17 wt.% Ni 2% Cu-ZSM-5, and the other representations have the same meaning.
Refers to the N2 adsorbed volume (cm3·g-1) at standard temperature and pressure (0.1 MPa, 0°C).
Refers to atmosphere pressure.
BETX: sum of benzene, toluene, ethylbenzene, and xylenes.
NM, not measured.