RESEARCH PAPERS: Gas Turbines: Coal, Biomass, and Alternative Fuels

Development of Ceramic Composite Hot-Gas Filters

[+] Author and Article Information
R. R. Judkins, D. P. Stinton

Fossil Energy Program, Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831

R. G. Smith, E. M. Fischer, J. H. Eaton, B. L. Weaver, J. L. Kahnke, D. J. Pysher

3M Company, St. Paul, MN 55144

J. Eng. Gas Turbines Power 118(3), 495-499 (Jul 01, 1996) (5 pages) doi:10.1115/1.2816675 History: Received March 16, 1995; Online November 19, 2007


A novel type of hot-gas filter based on a ceramic fiber-reinforced ceramic matrix was developed and extended to full-size, 60-mm OD by 1.5-m-long, candle filters. A commercially viable process for producing the filters was developed, and the filters are undergoing testing and demonstration throughout the world for applications in pressurized fluidized-bed combustion (PFBC) and integrated gasification combined cycle (IGCC) plants. Development activities at Oak Ridge National Laboratory (ORNL) and at the 3M Company, and testing at the Westinghouse Science and Technology Center (STC) are presented. Demonstration tests at the Tidd PFBC are in progress. Issues identified during the testing and demonstration phases of the development are discussed. Resolution of the issues identified during testing and the status of commercialization of the filters are described.

Copyright © 1996 by The American Society of Mechanical Engineers
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