Synthesis of magnetite-mesoporous silica composites as adsorbents for desulfurization from natural gas

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Magnetite-mesoporous silica composites were synthesized as a new adsorbent for desulfurization from natural gas. They were prepared by a simple procedure using pre-made magnetite as seeds for the formation of mesoporous silica. The domain size of the composite was reduced significantly, comparing with the case that no magnetite was added. This composite shows high capacity for a removal of methylmercaptane in the presence of methane while mesoporous silica or magnetite only had little capacity. The sulfur adsorption of this composite shows 20 times higher capacity than the mesoporous silica due to the synergetic effect of strong molecular affinity of the magnetite to the sulfur compound and large surface area/pore volume of the mesoporous silica. (c) 2008 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2008-12
Language
English
Article Type
Article
Keywords

OXIDE FUEL-CELL; T-BUTYLMERCAPTAN; TRANSPORTATION FUELS; DEEP DESULFURIZATION; AMBIENT CONDITIONS; DIESEL FUEL; REMOVAL; ADSORPTION; ZEOLITES; DENITROGENATION

Citation

APPLIED CATALYSIS B-ENVIRONMENTAL, v.85, no.1-2, pp.71 - 76

ISSN
0926-3373
DOI
10.1016/j.apcatb.2008.06.028
URI
http://hdl.handle.net/10203/201778
Appears in Collection
CBE-Journal Papers(저널논문)
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