Assessment of a high-velocity fabric filtration system used to control fly ash emissions. Final report, December 1976-December 1977
The report gives results of a full-scale investigation (following a pilot plant study) of applying high-velocity fabric filtration to coal-fired boiler fly ash control. Two filter systems were applied separately to two 60,000 lb steam/hr coal-fired boilers. Performance evaluated over a year included total mass removal efficiency and fractional efficiencies. One filter system used Teflon felt as the filter medium; the other used Gore-Tex, a PTFE laminate on PTFE woven backing. During the year, a limited number of glass felt and woven glass bags were introduced into the house containing Gore-Tex. Installed, operating, and annualized costs were computed for five filter media (Teflon felt, Gore-Tex PTFE laminate, two weights of woven glass, and a felted glass fabric) in a fabric filter systems capable of handling 70,000 acfm. The lighter weight woven glass fabric is the least expensive filter medium overall and (assuming that a 4-year bag life is feasible) this makes fabric filtration an economically attractive alternative to electrostatic precipitation. The 15 oz woven glass fabric had a projected annualized cost of $0.36/acfm at an air-to-cloth ratio of 5.8/1.
- Research Organization:
- Enviro-Systems and Research, Inc., Roanoke, VA (USA)
- OSTI ID:
- 5592365
- Report Number(s):
- PB-299566
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
200202* -- Fossil-Fueled Power Plants-- Waste Management-- Noxious Gas & Particulate Emissions
AEROSOL WASTES
AIR FILTERS
AIR POLLUTION CONTROL
BOILERS
COMBUSTION PRODUCTS
COST
DESIGN
ECONOMIC ANALYSIS
ECONOMICS
EQUIPMENT
FABRIC FILTERS
FILTERS
FLUE GAS
FLY ASH
FORECASTING
FOSSIL-FUEL POWER PLANTS
FUNCTIONAL MODELS
GASEOUS WASTES
INDUSTRIAL WASTES
OPERATING COST
PERFORMANCE TESTING
PILOT PLANTS
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
POWER PLANTS
TESTING
THERMAL POWER PLANTS
WASTES