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Citation: Liu Yan. Sonochemical Reaction in Pulsed Ultrasonic Field and Continuous Ultrasonic Field[J]. Acta Physico-Chimica Sinica, ;2001, 17(11): 1031-1035. doi: 10.3866/PKU.WHXB20011114 shu

Sonochemical Reaction in Pulsed Ultrasonic Field and Continuous Ultrasonic Field

Liu Yan

1.
School of Chemical Engineering,Qinghai University,Xining　810016

Received Date: 9 April 2001
Available Online: 15 November 2001

Ultrasound of frequencey 1.8 MHz,sound intensity 1～5 W•cm－2 were used to induce sonochemical reaction in near field acoustical sonochemical reactor.It was found that the sonochemical yield (expressed by the electro-conductance,the pH value,I2 releasing from KI solution and generation in cavitation water) have linear relation with sound intensity and irradiation time.These results were compared with the sonochemical yield in pulsed ultrasonic field.The cavitational bubble′s amount in cavitational sound field is also presented.
- Ultrasound;Cavitation;Cavitation bubble;Sonochemical yield;Reaction dynamic equation
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