Journal
APPLIED SURFACE SCIENCE
Volume 253, Issue 13, Pages 5864-5867Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2006.12.092
Keywords
sulfur adsorption; desulfurization; nickel nanoparticle; mesoporous silica
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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. (c) 2007 Elsevier B.V. All rights reserved.
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