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Main Title Evaluation of ceramic filters for high-temperature/high pressure fine particulate control /
Author Poe, G. G. ; Evans, R. M. ; Bonnett, W. S. ; Waterland., L. R.
Other Authors
Author Title of a Work
Poe, Gary.
Poe, G. G.,
CORP Author Aerotherm Corp., Mountain View, Calif.;Industrial Environmental Research Lab., Research Triangle Park, N.C.
Publisher Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory ; For sale by the National Technical Information Service,
Year Published 1977
Report Number EPA-600/2-77-056; EPA-68-02-1318; EPA-ROAP-21ADL-029; PB266093
Stock Number PB-266 093
OCLC Number 03814735
ISBN pbk.
Subjects Ceramics ; Particles ; Air--Pollution ; Air--Pollution ; Ceramics ; Particles
Additional Subjects Fines ; Air filters ; Air pollution control equipment ; Particles ; Efficiency ; Surveys ; Membranes ; Ceramics ; High temperature tests ; High pressure tests ; Performance evaluation ; Electric power plants ; Numerical analysis ; Honeycomb structures ; Design criteria ; Economics ; Steam power plants
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD ARCHIVE EPA 600-2-77-056 Headquarters Library/Washington,DC 03/17/2014
EKBD  EPA-600/2-77-056 Research Triangle Park Library/RTP, NC 06/20/2003
ESAD  EPA 600-2-77-056 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB-266 093 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation iv, 48 p. : ill. ; 28 cm.
High temperature gas turbines used to generate electric power require gas streams virtually free of particulate matter. Gas streams from high temperature, high pressure coal processes, such as low Btu gasification and pressurized fluidized bed combustion, require considerable particulate removal. In order to maintain high thermal efficiency the particulate clean-up must be done at the high temperatures of the process. Many new concepts for fine particulate control at elevated temperatures are presently being proposed. One such concept utilizes ceramic membrane filters. The report gives results of a study to analyze and evaluate ceramic membrane filters as a new, fine particulate (<3 micrometers) control concept for high-temperature (approx. 900C), high-pressure processes. Several ceramic filters were identified as potential candidates for fine particulate removal. There does not seem to be any inherent material limitation to high-temperature operation; however, no evidence of high-temperature filter application was found. The filters typically are 2-6 mm thick, cylindrical, and available with various pore sizes, increasing upward from 0.5 micrometer. These elements may be suitable for fine particulate control in hot gas streams. The most promising, although undeveloped, idea for a ceramic filter is to use ceramic honeycomb monoliths similar to those available for catalyst supports and heat exchangers. The walls of the monoliths are about 0.2-0.4 mm thick and of varying pore size and porosity. Geometric configurations are available which would force the gas to flow through the membrane walls. Pressure losses would be very small relative to those of standard ceramic filter elements. The application of ceramic monoliths to high-temperature fine particulate control appears very promising. It is strongly recommended that this concept be investigated further.
"February 1977." Prepared by Aerotherm Division/Acurex Corporation under Contract No. 68-02-1319, Task 25, ROAP No. 21ADL-029, Program Element No. 1AB012. "EPA Task Officer: D.C. Drehmel." Includes bibliographical references (p. 39). "EPA-600/2-77-056."