Synthesis of Al-Containing Spherical Mesocellular Silica Foams with Different Pore Sizes and Their Applications as Catalyst Supports for Hydrodesulfurization of Dibenzothiophene
Zhou, X; Song, S; Duan, A; Zhao, Z; Gong, Y; Wang, X; Li, J; Wei, Y; Jiang, G; Liu, J
| HERO ID | 3044621 |
|---|---|
| In Press | No |
| Year | 2015 |
| Title | Synthesis of Al-Containing Spherical Mesocellular Silica Foams with Different Pore Sizes and Their Applications as Catalyst Supports for Hydrodesulfurization of Dibenzothiophene |
| Authors | Zhou, X; Song, S; Duan, A; Zhao, Z; Gong, Y; Wang, X; Li, J; Wei, Y; Jiang, G; Liu, J |
| Journal | ChemCatChem |
| Volume | 7 |
| Issue | 13 |
| Page Numbers | 1948-1960 |
| Abstract | In the present work, a series of Al-containing spherical mesostructured cellular silica foams (SMCFs) with different ultra-large pore sizes were successfully synthesized by simply adjusting the mass ratio (x) of the swelling agent 1,3,5-trimethylbenzene (TMB) to P123. The as-synthesized Al-SMCFs-x were utilized as NiMo catalyst supports for the hydrodesulfurization of dibenzothiophene. The characterization results showed that, compared with other studied NiMo/Al-SMCFs-x catalysts, the NiMo/Al-SMCFs-1.25 catalyst exhibited higher sulfidation degree, higher dispersions of Ni and Mo species, shorter length, and lower stacking number of MoS2 slabs. It was also found that the NiMo/Al-SMCFs-1.25 catalyst possessed suitable physicochemical parameters [i.e., ultra-large pore size (27.5nm), high surface area (383m(2)g(-1)), and large pore volume (1.34cm(3)g(-1)), resulting in the formation of more typeII active sites with more brim active sites. Consequently, the NiMo/Al-SMCFs-1.25 catalyst displayed outstanding catalytic performance for the hydrodesulfurization of dibenzothiophene. |
| Doi | 10.1002/cctc.201500365 |
| Wosid | WOS:000357336400009 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |
| Keyword | aluminum; dibenzothiophene; heterogeneous catalysis; hydrodesulfurization; mesoporous materials |