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3D Microstructures for Rapid Absorption/Desorption in Mechanically Constrained Liquid Absorbents

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
An absorber or desorber contains one or more micro-channels that have a 3-D structured heat-exchanging surface and a membrane on the microchannel situated distal to the 3-D structured heat-exchanging surface, where the membrane is permeable to a solvent of a solution employed in the absorber or desorber. The 3-D structured surface promotes mixing of hot and cold solution between the 3-D structured heat-exchanging surface and a vapor-exchanging surface proximal to the membrane. The mixing reduces the differences in concentration and temperature of the bulk solution and the solution at the vapor-exchanging surface to enhance the efficiency and rate of absorption or desorption of the solvent.
Moghaddam, Saeed (Gainesville, FL), Chugh, Devesh (Gainesville, FL), Bigham, Sajjad (Gainesville, FL)
15/ 196,383
June 29, 2016
[0002] This invention was made with government support under 00104171 awarded by the Department of Energy. The government has certain rights in the invention.