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- W2490821673 abstract "Ceramic filter systems are considered for potential use for hot gas cleanup in advanced coal-fueled power generation processes. The durability of commercially available filter materials in high-temperature, high-pressure, steam and alkali-containing environments was investigated. Specimens of silicon carbide, cordierite, calcium aluminate-bonded refractory concrete, mullite, and other ceramic filter materials were exposed for 500-h periods to environments representing conditions which may be encountered by ceramic filters in pressurized fluidized bed combustion (PFBC) applications at temperatures ranging from 700{degrees}to 850{degrees}C and pressures of approximately 1.8 MPa (250 psig). In some exposures, sodium nitrate was introduced in order to simulate a high-alkali environment. Specimen properties, including cold and hot compressive strengths, bulk densities, apparent porosities, and permeabilities, determined after exposures were compared to those of identical unexposed specimens and to specimens which had been heat treated in air at atmospheric pressure and 850{degrees}C for the same length of time. X-ray diffraction phase identification and examinations of thinned sections using transmission optical light microscopy were used to interpret the strength measurement results." @default.
- W2490821673 created "2016-08-23" @default.
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- W2490821673 date "1993-11-01" @default.
- W2490821673 modified "2023-09-23" @default.
- W2490821673 title "Durability testing of ceramic particulate filters under PFBC conditions. Final report" @default.
- W2490821673 hasPublicationYear "1993" @default.
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