Reforming of gasoline for hydrogen production allows the use of the current fuel supply “infrastructure” for fuel cell-based transportation vehicles. However, the levels of organic sulfur present in the gasoline are sufficient to significantly reduce activity and life of the catalysts employed in the fuel processor. Near-term, non-refinery based approaches are needed. We are developing an on-board liquid phase desulfurizer which selectively removes organic sulfur from gasoline streams, prior to reforming. The program targets development of selective adsorbents which can be incorporated in a replaceable cannister. In this paper we describe studies of the adsorption of thiophene, 2-methyl thiophene, and 2,5-dimethyl thiophene from aromatic solvents with ZSM5 zeolite. The results suggest a combination of physical and chemical interactions can occur between the zeolite adsorbent and the organosulfur compounds.
Desulfurization of Gasoline Feedstocks for Application in Fuel Reforming
Sae Technical Papers
SAE 2000 World Congress ; 2000
2000-03-06
Conference paper
English
Desulfurization of gasoline feedstocks for application in fuel reforming
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