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Hollow fiber apparatus and use thereof for fluids separations and heat and mass transfers

United States Patent

April 18, 2017
View the Complete Patent at the US Patent & Trademark Office
A hollow fiber fluid separation device includes a hollow fiber cartridge, comprising a plurality of hollow fiber membranes arranged around a central tubular core, a first tubesheet and a second tubesheet encapsulating respective distal ends of the hollow fiber bundle. The tubesheets have boreholes in fluid communication with bores of the hollow fiber membrane. In at least one of the tubesheets, the boreholes are formed radially and are in communication with the central tubular core. The hollow fiber fluid separation device can be utilized in liquid separation applications such as ultrafiltration and in gas separation processes such as air separation. The design disclosed herein is light weight and compact and is particularly advantageous at high operating temperatures when the pressure of the feed fluid introduced into the bores of hollow fibers is higher than the pressure on the shell side of the device.
Bikson; Benjamin (Newton, MA), Etter; Stephen (Hamden, CT), Ching; Nathaniel (Middletown, NJ)
13/ 492,757
June 8, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Contract No. DE-SC000336 awarded by the Department of Energy (DOE). The government has certain rights in the invention.