Advanced hot gas filter development. Topical report, May 1995--December 1996 | Zendy

John L. Hurley | Zendy; Matthew R. June | Zendy

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Advanced hot gas filter development. Topical report, May 1995--December 1996

Author(s) -

John L. Hurley,

Matthew R. June

Publication year - 1997

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/665889

Subject(s) - chromium , metallurgy , aluminide , integrated gasification combined cycle , hydrogen sulfide , materials science , combustion , sulfidation , hydrogen , environmental science , alloy , syngas , chemistry , intermetallic , sulfur , organic chemistry

Porous iron aluminide was evaluated for use as a particulate filter in pressurized fluid-bed combustion (PFBC) and integrated gasification combined cycles (IGCC) with a short term test. Three alloy compositions were tested: Fe{sub 3}Al 5% chromium (FAL), Fe{sub 3}Al 2% chromium (FAS) and FeAl 0% chromium. The test conditions simulated air blown (Tampa Electric) and oxygen blown (Sierra Pacific) gasifiers with one test gas composition. Four test conditions were used with hydrogen sulfide levels varying from 783 ppm to 78,3000 ppm at 1 atmosphere along with temperatures ranging between 925 F and 1200 F. The iron aluminide was found capable of withstanding the proposed operating conditions and capable of giving years of service. The production method and preferred composition were established as seamless cylinders of Fe{sub 3}Al 2% chromium with a preoxidation of seven hours at 1472 F

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