APPARATUS FOR PREVENTING MICROPARTICLE AND DUST MIGRATION IN LAYERED BED PURIFICATION DEVICES
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Aug 28, 2013
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Sep 10, 2012
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Abstract
The invention relates to an expandable media-retaining ring comprising an expandable ring and a gas permeable media-retaining membrane. The invention further relates to a gas purifier device comprising two or more beds of purification media and an expandable media-retaining ring. The expandable media-retaining ring is secured by radial force in the device, and prevents migration of purification media into adjacent beds, thereby improving the performance of the purifier device, and also enabling the device to be used in any orientation.
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