Filters for purification of gases

Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus

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55316, 55387, 55498, B01D 2702

Patent

active

045590664

ABSTRACT:
Detectable vapors, odors and smells are removed from a stream of compressed air entering a tubular cartridge and passing axially through a cylindrical bonded granular or supported granular sorbent bed or radially through a bonded granular or supported granular tubular sorbent bed arranged so that the air velocity therethrough is not greater than 300 ft/min and the minimum contact time with the granules is 0.1 seconds, the bed being arranged to be traversed by the entire volume of air passing through the cartridge. The air then passes through a surrounding microporous or pleated filter element prior to being discharged radially from the cartridge.

REFERENCES:
patent: 3029581 (1962-04-01), Robbins
patent: 3841484 (1974-10-01), Domnick
patent: 3891417 (1975-06-01), Wade
patent: 4111815 (1978-09-01), Walker et al.
patent: 4141703 (1979-02-01), Mulchi
patent: 4366054 (1982-12-01), Kronsbein
patent: 4388086 (1983-06-01), Bauer

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