Size Distribution of Droplets in a Two Liquid-phase Mixture Compared between Liquid Spraying and Mechanical Stirring

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  • SHIMOGOUCHI Taisuke
    Graduate School of Science and Engineering, Ibaraki University Asaka Riken Co., Ltd.
  • NAGANAWA Hirochika
    Advanced Science Research Center, Japan Atomic Energy Agency
  • NAGANO Tetsushi
    Advanced Science Research Center, Japan Atomic Energy Agency
  • GRAMBOW Bernd
    Advanced Science Research Center, Japan Atomic Energy Agency SUBATECH (IMT Atlantique, CNRS-IN2P3, University of Nantes)
  • NAGAME Yuichiro
    Graduate School of Science and Engineering, Ibaraki University Advanced Science Research Center, Japan Atomic Energy Agency

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Abstract

<p>A new liquid–liquid extraction method, called the “emulsion flow” method, is expected to realize an ideal liquid–liquid extraction by controlling the emulsion generation and separation using liquid spraying, only by solution sending. In order to understand the mechanism of emulsion control in the emulsion flow method, the size distribution of droplets in two liquid-phase mixtures was compared by using originally designed apparatuses 1) for the case of liquid spraying and 2) for the case of mechanical stirring. We demonstrated that the size distribution of droplets generated near a mixing device (a nozzle for liquid spraying or an impeller head for mechanical stirring) determines the phase-separation property.</p>

Journal

  • Analytical Sciences

    Analytical Sciences 35 (9), 955-960, 2019-09-10

    The Japan Society for Analytical Chemistry

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