Agglomeration and rapid ascent of microbubbles by ultrasonic irradiation

Daisuke Kobayashi, Yoshiyuki Hayashida, Kazuki Sano, Koichi Terasaka

研究成果: Article査読

11 被引用数 (Scopus)

抄録

Microbubbles have some different characteristics from conventional bubbles. To apply the useful properties for gas-liquid contact operation in industry, however, a separate technology of microbubbles has to be realized. In this study, promotion of microbubble separation using ultrasound was proposed. By irradiating with ultrasound, milky white microbubbles suspended solution changed instantaneously to be clear. The interesting behavior of microbubbles observed in the ultrasonic field was investigated by microscopic and macroscopic visualizations. The rapid ascent of microbubbles was caused by their agglomeration, where the Bjerknes force of attraction and electrical repulsive force on microbubble surface acted. Ultrasonic irradiation into microbubble suspended solution was very useful for dynamic operation of microbubbles. Crown

本文言語English
ページ(範囲)1193-1196
ページ数4
ジャーナルUltrasonics Sonochemistry
18
5
DOI
出版ステータスPublished - 2011 9月

ASJC Scopus subject areas

  • 化学工学(その他)
  • 環境化学
  • 放射線学、核医学およびイメージング
  • 音響学および超音波学
  • 有機化学
  • 無機化学

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