Table4
催化剂用量对于苯乙炔选择性加氢光催化性能的影响
Entry | Catalyst mass/mg | Incident light | Conversion/% | Selectivity/% |
1 | 10 | visible | 19.4 | 96.2 |
dark | 9.5 | 96.4 | ||
2 | 20 | visible | 57.5 | 97.1 |
dark | 21.4 | 96.6 | ||
3 | 30 | visible | 98.4 | 98.1 |
dark | 33.5 | 98.4 | ||
4 | 40 | visible | 99.5 | 97.4 |
dark | 36.7 | 97.2 | ||
Reaction conditions: 20 mg Ni/ST-600 catalyst, 0.1 mmol phenylacetylene, 2 mL i-PrOH, 0.5 W/cm2 LED white, 6 h, 80 ℃, 1 atm H2; |
Table3
不同催化剂对于苯乙炔选择性加氢光催化性能a
Entry | Catalyst | Incident light | Conversion/% | Selectivit/% |
1 | − | visible | 0 | 0 |
dark | 0 | 0 | ||
2 | ST-600 | visible | 0 | 0 |
dark | 0 | 0 | ||
3 | Ni/ST-570 | visible | 52.2 | 97.2 |
dark | 16.1 | 97.6 | ||
4 | Ni/ST-600 | visible | 98.4 | 97.1 |
dark | 33.5 | 97.4 | ||
5 | Ni/ST-630 | visible | 94.2 | 89.3 |
dark | 43.1 | 96.6 | ||
6 | Ni/ST-660 | visible | 100 | 41.6 |
dark | 99.2 | 88.9 | ||
7b | Ni/ST-600 | visible | 0 | 0 |
dark | 0 | 0 | ||
8 | Ni/TiO2-600 | visible | 100 | 0 |
dark | 100 | 27.2 | ||
9 | NiO/ST-600 | visible | 0 | 0 |
dark | 0 | 0 | ||
a: Reaction conditions: 20 mg catalyst, 0.1 mmol phenylacetylene, 2 mL i-PrOH, 0.5 W/cm2 LED white, 6 h, 80 ℃, 1 atm H2; b: 1 atm Ar; |
Table1
不同催化剂的结构性质
Entry | Sample | SBET /(m2·g−1) |
Pore volume /(cm3·g−1) |
Pore diameter /nm |
1 | ST-570 | 71.6 | 0.15 | 10.3 |
2 | ST-600 | 59.1 | 0.15 | 6.9 |
3 | ST-630 | 54.1 | 0.08 | 6.8 |
4 | ST-660 | 48.3 | 0.05 | 6.2 |
5 | Ni/ST-570 | 63.8 | 0.08 | 9.1 |
6 | Ni/ST-600 | 52.7 | 0.07 | 6.7 |
7 | Ni/ST-630 | 42.8 | 0.05 | 5.8 |
8 | Ni/ST-670 | 40.9 | 0.05 | 5.9 |
主办单位:煤炭科学研究总院有限公司 中国煤炭学会学术期刊工作委员会