Jet Fuel Desulfurizer for Fuel Cell powered APU

Autor:	Gokhan Alptekin, Ambalavanan Jayaraman, Margarita Dubovik, Matt Schaefer, John Monroe
Rok vydání:	2009
Předmět:	chemistry.chemical_compound Adsorption Materials science Sorbent Waste management Hydrogen chemistry Oxide chemistry.chemical_element Jet fuel Sulfur Organosulfur compounds Flue-gas desulfurization
Zdroj:	ECS Transactions. 17:621-626
ISSN:	1938-6737 1938-5862
DOI:	10.1149/1.3142792
Popis:	The effective utilization of logistic fuels in fuel cell applications requires removal of refractory sulfur species (organosulfur compounds) to below 0.1 ppm. Low temperature fuel cells (e.g. PEM) require clean (essentially pure) hydrogen feed to prevent the poisoning of the anode catalyst. Even the more robust high temperature fuel cells (e.g., solid oxide fuel cells) are poisoned with low levels of sulfur contaminants. Sulfur removal is critical for fuel cells and adsorption is a promising technology for accomplishing such low levels of sulfur. TDA has developed a sorbent-based fuel desulfurization system that can easily integrate with any fuel cell fuel processor. TDA's desulfurizer removes all of the refractory organic sulfur compounds from military fuels (both JP-5 and JP-8) while they are still in the liquid phase and reduces the total fuel sulfur content to sub-ppm levels (e.g., less than 0.1 ppmw). In order to increase the utilization of the sorbent and minimize the logistics burden and manpower associated with frequent replacements, the desulfurization system operates in a regenerable manner.
Databáze:	OpenAIRE
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