Maximizing the right stuff: The trade-off between membrane permeability and selectivity

Ho Bum Park, Jovan Kamcev, Lloyd M. Robeson, Menachem Elimelech, Benny D. Freeman

doi:10.1126/science.aab0530

Maximizing the right stuff: The trade-off between membrane permeability and selectivity

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Ho Bum Park

Department of Energy Engineering, Hanyang University, Seoul 04763, Republic of Korea.
Jovan Kamcev

Department of Chemical Engineering, Texas Materials Institute, Center for Research in Water Resources, and Center for Energy and Environmental Research, The University of Texas at Austin, 10100 Burnet Road, Building 133 (CEER), Austin, TX 78758, USA.
Lloyd M. Robeson

Department of Materials Science and Engineering, Lehigh University, 1801 Mill Creek Road, Macungie, PA 18062, USA.
Menachem Elimelech

Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06520-8286, USA.
Benny D. Freeman

Department of Chemical Engineering, Texas Materials Institute, Center for Research in Water Resources, and Center for Energy and Environmental Research, The University of Texas at Austin, 10100 Burnet Road, Building 133 (CEER), Austin, TX 78758, USA.

書誌事項

公開日: 2017-06-16

DOI

10.1126/science.aab0530

公開者: American Association for the Advancement of Science (AAAS)

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説明

<jats:title>Filtering through to what's important</jats:title> <jats:p> Membranes are widely used for gas and liquid separations. Historical analysis of a range of gas pair separations indicated that there was an upper bound on the trade-off between membrane permeability, which limits flow rates, and the selectivity, which limits the quality of the separation process. Park <jats:italic>et al.</jats:italic> review the advances that have been made in attempts to break past this upper bound. Some inspiration has come from biological membranes. The authors also highlight cases where the challenges lie in areas other than improved separation performance. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6343" page="eaab0530" related-article-type="in-this-issue" vol="356" xlink:href="10.1126/science.aab0530">eaab0530</jats:related-article> </jats:p>