Abstract
Abstract The behavior of sonochemical reactions in a small pipe was investigated by indirect ultrasonic irradiation while circulating potassium iodide solution. At a high electric power, the quenching of sonochemical reactions was observed. The reaction rate increased with the liquid flow velocity in the pipe. The reaction rate changed periodically with the distance between the pipe and the liquid surface, and exhibited minimum and maximum values at every quarter of the wavelength of ultrasound. By placing a reflector on the liquid surface, the reaction was accelerated. Formation of standing wave in the pipe significantly enhanced the reaction rate.
Published Version
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