Accession Number : AD0643183

Title :   DESULFURIZATION OF LIQUID HYDROCARBON FUEL FOR FUEL CELLS.

Descriptive Note : Interim technical progress rept., 10 Jan-10 Jul 66,

Corporate Author : PRATT AND WHITNEY AIRCRAFT EAST HARTFORD CONN

Personal Author(s) : Setzer,Herbert ; Kaufman,Arthur

Report Date : 30 JUL 1966

Pagination or Media Count : 61

Abstract : It was the purpose of this contract to investigate the feasibility of using, and to select a method for utilizing, sulfur-bearing fuels of the JP-4, CITE or Diesel type in fuel cell powerplants by desulfurization of the fuel. System studies were made and catalytic guard chamber materials evaluated experimentally to select a desulfurization technique and guard chamber catalyst-absorbent material. These investigations show that using the optimum desulfurization process with a 100-hour replaceable cartridge results in approximately a 3% weight increase in the indirect hydrocarbon-air fuel cell system if JP-4 with 400 ppm sulfur is used rather than a sulfur-free hydrocarbon fuel. Two catalysts (both of which are high nickel content, hydrogenation catalysts) were found to perform very effectively as catalyst-absorbent materials for desulfurization in the presence of steam reformer reactants. Finally, a demonstration test with JP-4 containing 470 ppm sulfur was run using an existing hydrogen generator modified for operation with a desulfurization cartridge and utilizing recycled dilute hydrogen. (Author)

Descriptors :   (*FUEL CELLS, FUELS), (*HYDROCARBONS, PURIFICATION), (*ORGANIC SULFUR COMPOUNDS, SEPARATION), FUEL OIL, PETROLEUM PRODUCTS, FEASIBILITY STUDIES, CATALYSTS, NICKEL, DECOMPOSITION, GAS GENERATING SYSTEMS

Subject Categories : Industrial Chemistry and Chemical Processing
      Electric Power Production and Distribution

Distribution Statement : APPROVED FOR PUBLIC RELEASE