TABLE 3.
HDO of several lignin-derived compound models a .
| Entry | Lignin models | Catalyst | Conversion (%) | Cycloalkanes yield (%) |
|---|---|---|---|---|
| 1 |
|
Pd-MMT (H+) | 100 |
|
| 2 |
|
Pt-MMT (H+) | 100 |
|
| 3 |
|
Ru-MMT (H+) | 100 |
|
| 4 |
|
Pd-MMT (H+) | 100 |
|
| 5 |
|
Pd-MMT (H+) | 100 |
|
| 6 |
|
Pd-MMT (H+) | 100 |
|
| 7 |
|
Pd-MMT (H+) | 100 |
|
| 8 |
|
Pd-MMT (H+) | 100 |
|
| 9 |
|
Pd-MMT (H+) | 100 |
c
c
|
| 10 |
|
Pd-MMT (H+) | 100 | 29% a 46% |
| 11 |
|
Pd-MMT (H+) | 100 | 85% a |
a
Reaction conditions: phenols (2 mmol), catalyst (40 mg), H2O (3.0 ml), P(H2) = 5.0 MPa, T = 473 K; t = 2 h.
b
T = 493 K, t = 8 h.
c
T = 473 K, t = 4 h.