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Electrochemical concentration pumping in liquid–liquid extractions

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Liquid–liquid extraction is an indirect separation technique requiring solvent regeneration, and if a back-extraction is needed, it typically reduces the concentration. Now, using an electrochemical reaction, the concentration can be pumped up to 16 times the feed concentration.

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Fig. 1: Liquid–liquid extraction with solvent regeneration through back-extraction.

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Authors and Affiliations

  1. Department of Chemical Engineering, Faculty of Science and Technology, University of Twente, Enschede, The Netherlands

    Boelo Schuur

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  1. Boelo Schuur
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Correspondence to Boelo Schuur.

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Schuur, B. Electrochemical concentration pumping in liquid–liquid extractions. Nat Chem Eng 1, 277–278 (2024). https://doi.org/10.1038/s44286-024-00053-1

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