Surface status and size influences of nickel nanoparticles on sulfur compound adsorption

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Metallic nickel nanoparticles were incorporated on mesoporous silica to remove sulfur compounds in diesel selectively. In the first method, nickel nanoparticles were formed on mesoporous silica SBA-15 by impregnation and subsequent reduction of nickel nitrate. The sulfur adsorption capacity was strongly dependent on the nickel loading and the average nickel particle size. In the second method, nickel nanoparticles were synthesized in solution in the presence of a capping agent and then incorporated in mesoporous silica MCF by sonication. Although these particles maintain their sizes on the MCF surface after heat treatment, capping agent remaining on the Ni particle surface might interfere the adsorption of sulfur compounds.
Publisher
Elsevier
Issue Date
2007
Keywords

Sulfur adsorption; Desulfurization; Nickel nanoparticle; Mesoporous silica

Citation

Applied Surface Science, Vol.253, pp.5864-5867

ISSN
0169-4332
DOI
10.1016/j.apsusc.2006.12.092
URI
http://hdl.handle.net/10203/20536
Appears in Collection
CH-Journal Papers(저널논문)

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