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Title: Ion-capture electrodialysis using multifunctional adsorptive membranes

Journal Article · · Science
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [2]; ORCiD logo [5]
  1. Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720, USA., Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  2. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA., The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  3. Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  4. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA., Department of Chemistry, University of California, Berkeley, CA 94720, USA., Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM 87185, USA.
  5. Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720, USA., Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA., Department of Chemistry, University of California, Berkeley, CA 94720, USA.

Technologies that can efficiently purify nontraditional water sources are needed to meet rising global demand for clean water. Water treatment plants typically require a series of costly separation units to achieve desalination and the removal of toxic trace contaminants such as heavy metals and boron. We report a series of robust, selective, and tunable adsorptive membranes that feature porous aromatic framework nanoparticles embedded within ion exchange polymers and demonstrate their use in an efficient, one-step separation strategy termed ion-capture electrodialysis. This process uses electrodialysis configurations with adsorptive membranes to simultaneously desalinate complex water sources and capture diverse target solutes with negligible capture of competing ions. Our methods are applicable to the development of efficient and selective multifunctional separations that use adsorptive membranes.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001015; SC0019992; NA-0003525; AC02-05CH11231
OSTI ID:
1777668
Alternate ID(s):
OSTI ID: 1807492
Journal Information:
Science, Journal Name: Science Vol. 372 Journal Issue: 6539; ISSN 0036-8075
Publisher:
American Association for the Advancement of Science (AAAS)Copyright Statement
Country of Publication:
United States
Language:
English

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