Open AccessADVANCED HOT GAS FILTER DEVELOPMENT
Author(s) -
Matthew R. June,
John L. Hurley,
Mark W. Johnson
Publication year - 1999
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/837069
Subject(s) - metallurgy , materials science , hydrogen sulfide , corrosion , alloy , aluminide , powder metallurgy , intermetallic , microstructure , sulfur
Iron aluminide hot gas filters have been developed using powder metallurgy techniques to form seamless cylinders. Three alloys were short-term corrosion tested in simulated IGCC atmospheres with temperatures between 925 F and 1200 F with hydrogen sulfide concentrations ranging from 783 ppm{sub v} to 78,300 ppm{sub v}. Long-term testing was conducted for 1500 hours at 925 F with 78,300 ppm{sub v}. The FAS and FAL alloys were found to be corrosion resistant in the simulated environments. The FAS alloy has been commercialized
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