Electrical Demulsification of W/O Emulsion by Continuous Tubular Coalescer

Masahiro Goto, Jin Irie, Kazuo Kondo, Fumiyuki Nakashio

    研究成果: Contribution to journalArticle査読

    63 被引用数 (Scopus)

    抄録

    The continuous demulsification of W/O emulsion under applied A.C. voltage was investigated, using a tubular coalescer. The effects of water-phase holdup, applied voltage and water-droplet size on demulsification rate were investigated, using emulsions prepared under various conditions. The rate was proportional to the — 1, 0.5 and 3rd power of water-phase holdup, applied voltage and water-droplet size, respectively. The experimental equation taking these contributions into account showed satisfactory agreement with the observed values. Further, the effects of surfactant, extractant and solvent on the rate were examined and it was found that the combination of the three strongly affects the rate. The energy consumption for continuous demulsification using the present apparatus is several kWh/m3-emulsion, so this coalescer can be applied to industrial processing.

    本文言語英語
    ページ(範囲)401-406
    ページ数6
    ジャーナルJOURNAL OF CHEMICAL ENGINEERING OF JAPAN
    22
    4
    DOI
    出版ステータス出版済み - 1989

    All Science Journal Classification (ASJC) codes

    • 化学 (全般)
    • 化学工学(全般)

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