超音波霧化の原理と分離特性

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  • 安田 啓司
    名古屋大学大学院工学研究科分子化学工学分野

書誌事項

タイトル別名
  • Principle and Separation Characteristics of Ultrasonic Atomization
  • チョウオンパムカ ノ ゲンリ ト ブンリ トクセイ

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抄録

Separation characteristics of various solutes from the aqueous solutions with ultrasonic atomization were experimentally investigated. Monohydric alcohols and ketone were concentrated in the atomized droplets from the aqueous solution, while alcohol and amides were diluted in the droplets. These results suggest that the hydrophilic and hydrophobic properties of solute molecules may determine the separation characteristics of ultrasonic atomization.<br>　In order to develop a concentrator with ultrasonic atomization, ultrasonic atomization of ethanol aqueous solution was conducted. The atomization rate of water was the highest at the beginning of atomization, and the initial depth of solution which gave the maximum atomization rate of water was decreased with increasing the ultrasonic frequency. The atomization rate of ethanol was increased with the net electric power applied to the ultrasonic transducer, but it remained almost constant at different ultrasonic frequencies. At a relatively high net electric power, the atomization rate of water increased with the diameter of reservoir, while alcohol content in the atomized droplets were unaffected by the reservoir diameter.<br>

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