Effect of Baffle Plate on Minimum Impeller Speed for Liquid–Liquid Dispersion in Mechanically Agitated Vessels

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  • Aida Masao
    Technology and Engineering Center, Idemitsu Kosan Co., Ltd.
  • Murakami Yuya
    Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science
  • Shono Atsushi
    Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science

Bibliographic Information

Other Title
  • 液液撹拌槽における最小分散回転数におよぼす邪魔板の影響

Abstract

<p>The correlation equation of Aida and Shono (2018) is expanded to propose a novel correlation equation related to the minimum impeller speed for a liquid–liquid agitated vessels. The correction coefficient of baffle kb was added to the original equation in order to expand the applicability. This kb is a function of B/D, 2cb/(D–d), h/H, ks, and nb (cb: clearance between baffle and vessel wall, B: baffle width, D: vessel diameter, d: impeller diameter, H: liquid depth, h: height of baffle under the liquid surface, ks: correction coefficient of baffle shape, nb: number of baffles).</p><p>Using this correlation equation, the previous literature values could be accurately sorted. In addition, the estimation of the minimum impeller speed with incomplete baffle conditions, which had been conventionally difficult, has become possible.</p>

Journal

  • KAGAKU KOGAKU RONBUNSHU

    KAGAKU KOGAKU RONBUNSHU 48 (4), 121-124, 2022-07-20

    The Society of Chemical Engineers, Japan

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