In this study, various composite Ni-W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon catalysts we...In this study, various composite Ni-W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon catalysts were synthesized. W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C was prepared by carbothermal hydrogen reduction. The metal loading of W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C in catalyst was 30 wt.%. Carbon was impregnated with metatungstate. It was dried at 120</span></span><span style="font-family:""><span style="font-family:Verdana;">?C for 12 h. Carbon was then carburized in H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> flow, the temperature was increased from 25?C to 450?C, and then to 800?C and stayed for 4 h. The W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon was treated with H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">SO</span><sub><span style="font-family:Verdana;">4</span></sub><span style="font-family:Verdana;"> to create more function groups on the surface. Ni-W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon was prepared by incipient-wetness impregnation method. After calcination and reduction processes in H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> flow, Ni-W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon catalyst was obtained. The reac</span><span style="font-family:Verdana;">tion of cellulose to ethylene glycol in one step was carried out in a batch reactor</span><span style="font-family:Verdana;"> under the following condition: 1 g cellulose, 0.3 g catalyst, 100 ml H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">O, 4</span></span><span st展开更多
文摘In this study, various composite Ni-W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon catalysts were synthesized. W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C was prepared by carbothermal hydrogen reduction. The metal loading of W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C in catalyst was 30 wt.%. Carbon was impregnated with metatungstate. It was dried at 120</span></span><span style="font-family:""><span style="font-family:Verdana;">?C for 12 h. Carbon was then carburized in H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> flow, the temperature was increased from 25?C to 450?C, and then to 800?C and stayed for 4 h. The W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon was treated with H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">SO</span><sub><span style="font-family:Verdana;">4</span></sub><span style="font-family:Verdana;"> to create more function groups on the surface. Ni-W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon was prepared by incipient-wetness impregnation method. After calcination and reduction processes in H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> flow, Ni-W</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">C/active carbon catalyst was obtained. The reac</span><span style="font-family:Verdana;">tion of cellulose to ethylene glycol in one step was carried out in a batch reactor</span><span style="font-family:Verdana;"> under the following condition: 1 g cellulose, 0.3 g catalyst, 100 ml H</span><sub><span style="font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">O, 4</span></span><span st
