Liquid to air membrane energy exchangers
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United States of America Patent
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Jul 14, 2020
Grant Date -
Feb 25, 2016
app pub date -
Aug 19, 2015
filing date -
Aug 19, 2014
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Abstract
A liquid to air membrane energy exchanger (LAMEE) can be used as part of a heating and cooling system to transfer heat and moisture between a liquid desiccant and an air stream to condition the temperature and humidity of the air flowing through the LAMEE. The membrane can be a non-porous film having selective permeability for water, but not for other constituents that form the liquid desiccant. The non-porous membrane can allow for use of liquid desiccants, such as glycols, that had been previously determined to be unacceptable or undesirable in these types of applications. In an example, the membrane can be an ion-exchange membrane or pervaporation membrane.
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