Journal
CATALYSIS COMMUNICATIONS
Volume 116, Issue -, Pages 81-84Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2018.08.017
Keywords
Cobalt; Hydrotalcite; MgO; Al2O3; Dry reforming; Syngas
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Funding
- National Natural Science Foundation of China [21811530293, 21776007, 21403012]
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Cobalt (Co) catalysts supported on hydrotalcite (MgAl) and metal oxides (MgO, Al2O3) have been synthesized by co-precipitation methods for CO2 reforming of methane. It is found that the Co/MgAl catalyst possessed excellent initial activity and outstanding long-term stability. An activation process was observed on the Co/MgO catalyst, which was followed by moderate deactivation. The Co/Al2O3 catalyst suffered severe deactivation although it exhibited relatively good initial activity. The structural characterizations demonstrate that the exceptional reforming performance of the Co/MgAl catalyst was related to high specific surface area, abundant medium basic sites, tiny Co nanoparticles and strong metal-support interactions.
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