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Keywords:

  • ultrasonic atomization;
  • ethanol-rich liquid droplet;
  • size distribution

Abstract

High-frequency (2.4 MHz) ultrasonic irradiation to an ethanol–water mixture can induce the generation of ethanol-rich mist droplets at lower temperatures. Two groups of droplets in micrometer- and nanometer-sized were observed in the mist generated by the ultrasonic atomization. Nanosized droplets were considered to be ethanol-rich droplets which cause ethanol condensation. © 2009 American Institute of Chemical Engineers AIChE J, 2010