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. 2019 Mar 22;7:146. doi: 10.3389/fchem.2019.00146

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Copyright © 2019 Song, Ma, Zhang, He and Waite.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Schematic representation of the FCDI system for nitrate removal with anion and cation exchange membranes (AEM and CEM, respectively) separating the feed stream from the flow electrode suspensions.