Filter Component Assessment

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Description

Advanced particulate filtration systems are currently being developed at Westinghouse for use in both coal-fired Integrated Gasification Combined Cycle (IGCC) and Pressurized Fluidized Bed Combustion (PFBC) systems. To date, Westinghouse has demonstrated 5855 hours of successful operation of first generation monolithic filter elements in PFBC applications when ash bridging or process thermal transient excursions are avoided. Alternate advanced monolithic and second generation fiber reinforced, filament wound and vacuum infiltrated filters are also being developed which are considered to have enhanced high temperature creep resistance, improved fracture toughness, or enhanced thermal shock characteristics, respectively. Mechanical and component fabrication improvements, as well ... continued below

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Medium: P; Size: 40 p.

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Alvin, M.A.; Lippert, T.E.; Diaz, E.S. & Smeltzer, E.E. December 31, 1996.

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Description

Advanced particulate filtration systems are currently being developed at Westinghouse for use in both coal-fired Integrated Gasification Combined Cycle (IGCC) and Pressurized Fluidized Bed Combustion (PFBC) systems. To date, Westinghouse has demonstrated 5855 hours of successful operation of first generation monolithic filter elements in PFBC applications when ash bridging or process thermal transient excursions are avoided. Alternate advanced monolithic and second generation fiber reinforced, filament wound and vacuum infiltrated filters are also being developed which are considered to have enhanced high temperature creep resistance, improved fracture toughness, or enhanced thermal shock characteristics, respectively. Mechanical and component fabrication improvements, as well as degradation mechanisms for each filter element have been identified by Westinghouse during exposure to simulated PFBC operating conditions and alkali-containing steam/air environments. Additional effort is currently being focused on determining the stability of the advanced monolithic high temperature creep resistant clay bonded silicon carbide (SiC) materials, alumina/mullite, and chemically vapor infiltrated (CVI) SiC materials during operation in the Westinghouse Advanced Particulate Filtration (W-APF) system at Foster Wheeler`s pressurized circulating fluidized-bed combustion (PCFBC) test facility in Karhula, Finland. Select advanced filter materials are being defined for additional long-term exposure in integrated gasification combined cycle (IGCC) gas streams. The results of these efforts are summarized in this paper. 6 refs., 7 figs., 11 tabs.

Physical Description

Medium: P; Size: 40 p.

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OSTI as DE97051012

Source

  • Advanced coal-fired power systems review meeting, Morgantown, WV (United States), 16-18 Jul 1996

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  • Other: DE97051012
  • Report No.: DOE/MC/31147--97/C0715
  • Report No.: CONF-960757--4
  • Grant Number: AC21-94MC31147
  • DOI: 10.2172/420334 | External Link
  • Office of Scientific & Technical Information Report Number: 420334
  • Archival Resource Key: ark:/67531/metadc685221

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Creation Date

  • December 31, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Nov. 10, 2015, 8:57 p.m.

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Alvin, M.A.; Lippert, T.E.; Diaz, E.S. & Smeltzer, E.E. Filter Component Assessment, report, December 31, 1996; Morgantown, West Virginia. (digital.library.unt.edu/ark:/67531/metadc685221/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.