Solid separation from a mixed suspension through electric-field-enhanced crystallization

Li, Wei and Radacsi, Norbert and Kramer, Herman J. M. and van der Heijden, Antoine E. D. M. and ter Horst, Joop H. (2016) Solid separation from a mixed suspension through electric-field-enhanced crystallization. Angewandte Chemie International Edition, 55 (52). pp. 16088-16091. ISSN 1433-7851 (https://doi.org/10.1002/anie.201609832)

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Abstract

When applied to a pure component suspension in an apolar solvent, a strong inhomogeneous electric field induces particle movement, and the particles are collected at the surface of one of the two electrodes. This new phenomenon was used to separately isolate two organic crystalline compounds, phenazine and caffeine, from their suspension in 1,4-dioxane. First, crystals of both compounds were collected at different electrodes under the influence of an electric field. Subsequent cooling crystallization enabled the immobilization and growth of the particles on the electrodes, which were separately collected after the experiment with purities greater than 91 %. This method can be further developed into a technique for crystal separation and recovery in complex multicomponent suspensions of industrial processes.

  • Item type:Article
    ID code:59326
    Dates:
    Date
    Event
    23 December 2016
    Published
    18 November 2016
    Published Online
    27 October 2016
    Accepted
    Notes:This is the peer reviewed version of the following article: Li, W., Radacsi, N., Kramer, H. J. M., van der Heijden, A. E. D. M., & ter Horst, J. H. (2016). Solid separation from a mixed suspension through electric-field-enhanced crystallization. Angewandte Chemie International Edition, 55(52), 16088-16091, which has been published in final form at https://dx.doi.org/10.1002/anie.201609832. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
    Subjects:Science > Chemistry
    Technology > Chemical technology
    Department:Faculty of Science > Strathclyde Institute of Pharmacy and Biomedical Sciences
    Depositing user: Pure Administrator
    Date deposited:09 Jan 2017 12:37
    Last modified:08 Apr 2024 23:19
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/59326
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