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PARTICULATE CONTROL WITH CLEANABLE CARTRIDGE FILTERS USING DOUBLE-LAYER MEDIA
Citation:
Krisko, W. AND M. Shackleton. PARTICULATE CONTROL WITH CLEANABLE CARTRIDGE FILTERS USING DOUBLE-LAYER MEDIA. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/7-77/140.
Description:
The report gives results of a detailed assessment of the feasibility of a new concept in fine particle filtration, nonwoven, double-mat, cartridge filters. The filter consists of a fine fiber filtration layer supported by a porous substrate providing physical strength to the resulting filtration media. A theoretical basis for fine particle control with this media is presented. Test results with 0.3 micrometer DOP smoke confirmed that the design objective of 90% collection efficiency was obtainable. Preliminary economic analysis indicates that the cartridge filter will be less costly than the standard baghouse. The saving is a result of the smaller system possible with the pleated cartridge and the potentially higher air-to-cloth ratios with the fine fiber media. The analyses comprised Phase I of the contract. Phase II evaluated the fine particle control characteristics of the media in a pulse-jet cleaning cartridge configuration. Both laboratory and field tests proved the media capable of high dust removal efficiency of fine particles (<3 micrometers) while achieving good pulse-jet cleaning characteristics.