期刊
CATALYSIS COMMUNICATIONS
卷 94, 期 -, 页码 38-41出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2017.02.018
关键词
Mesoporous silica; Nickel catalyst; Lanthanum oxide; Carbon dioxide; Dry reforming
资金
- State Key Laboratory of Advanced Special Steel of Shanghai University
- Major State Basic Research Development Program of China [2014CB643403]
- National Science Fund for Distinguished Young Scholars [51225401, 51574164]
Mesoporous silica-supported Ni-La oxides with homogeneously-dispersed NiO nanoparticles were first synthesized via one-pot sol-gel route of tetraethoxysilane, metal nitrates, and poly(ethylene glycol). Upon reduction with H-2, the NiO nanoparticles were reduced to in situ generate metallic Ni particles distributed in the matrices. The obtained Ni-La2O3/SiO2 catalysts exhibited high activity and excellent stability for DRM with an almost 100% H-2 selectivity or a H-2/CO molar ratio of unity. The presence of La significantly inhibited the reverse water gas shift reaction, resulting in a H-2/CO ratio close to unity. (C) 2017 Elsevier B.V. All rights reserved.
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