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News Release 06-021
High-Tech Sieve Sifts for Hydrogen
New polymer use may yield cheaper way to separate hydrogen from impurities
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This animation depicts the diffusion of unwanted carbon dioxide through the new polymer membrane. Most hydrogen stays on the upstream side of the membrane while the carbon dioxide passes through at a steady rate.
Credit: Trent Schindler, National Science Foundation
Benny Freeman of The University of Texas at Austin holds a sample of the transparent membrane material developed in his laboratory.
Credit: Jennie Trower, The University of Texas at Austin
Benny Freeman of The University of Texas at Austin stands next to the gas permeation system he and his collaborators used to develop the new mebrane.
Credit: Jennie Trower, The University of Texas at Austin