期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 4, 期 7, 页码 2107-2114出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cy00869j
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资金
- National University of Singapore
- A*STAR (A*STAR SERC) [092-138-0022, 279-000-292-305]
- NEA (NEA-ETRP) [1002114, 279-000-333-490]
- NRF [NRF-POC 001-055]
Syngas production from dry carbon dioxide reforming of methane was studied on a Ni/SiO2 doped with La2O3 catalyst prepared via an in situ self-assembled core-shell precursor route. Highly dispersed nickel of particle size <3.0 nm on the Ni-La2O3/SiO2 catalyst was successfully achieved. The addition of La2O3 enhanced the interaction between NiO and the silica support to form a more stable nickel silicate. The resulting Ni-La2O3/SiO2 catalyst showed excellent catalytic activity and stability without any coking behaviour even after 100 hours of reaction on stream. In contrast, the Ni-La2O3/SiO2 catalyst prepared using a conventional incipient wetness impregnation method exhibited poor catalytic activity and a high coke formation rate.
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