Table 6.
Effect of reaction temperature on furfuryl alcohol conversion and product selectivity of hydrogenolysis over Ru/Al2O3 and Ru/MgO[a]
|
Catalyst |
Reaction temperature |
Conv./% |
Selectivity/% |
|||||
|---|---|---|---|---|---|---|---|---|
|
THFA |
1,2‐PeD |
1,5‐PeD |
1,4‐PeD |
CPO |
CPL |
|||
|
Ru/Al2O3 |
403 K[b] |
76 |
72 |
17 |
0.6 |
0.6 |
5.6 |
0.5 |
|
423 K |
100 |
13 |
6.2 |
0.3 |
3.9 |
9.1 |
41 |
|
|
443 K |
100 |
5.7 |
2.8 |
0.1 |
2.2 |
16 |
41 |
|
|
Ru/MgO |
403 K[b] |
86 |
86 |
27 |
0.4 |
0.5 |
0.1 |
0.0 |
|
423 K |
58 |
64 |
32 |
0.8 |
1.4 |
0.2 |
0.0 |
|
|
443 K |
83 |
58 |
38 |
1.3 |
2.1 |
0.6 |
0.0 |
|
|
463 K |
100 |
51 |
42 |
2.9 |
2.8 |
0.8 |
1.1 |
|
|
483 K |
100 |
46 |
40 |
3.1 |
3.4 |
0.5 |
6.2 |
|
[a] Reaction conditions, unless otherwise stated: furfuryl alcohol (1.0 g), catalyst (0.06 g), water (30 cm3), 3.0 MPa H2, 1 h. Abbreviations: conv., conversion; THFA, tetrahydrofurfuryl alcohol; PeD, pentanediol; CPO, cyclopentanone; CPL, cyclopentanol. [b] Data are shown in Table 5. Reaction conditions: furfuryl alcohol (0.34 g), catalyst (0.02 g), water (10 cm3), 3.0 MPa H2, 1 h.