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Time difference based measurement of ultrasonic cavitations in wastewater treatment

Time difference based measurement of ultrasonic cavitations in wastewater treatment
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摘要 Intensity of cavitation is significant in ultrasonic wastewater treatment,but is complicated to measure.A time difference based method of ultrasonic cavitation measurement is proposed.The time differences at different powers of 495 kHz ultrasonic are measured in experiment in comparison with conductimetric method.Simulation results show that time difference and electrical conductivity are both approximately positive proportional to the ultrasonic power.The degradation of PNP solution verifies the availability in wastewater treatment by using ultrasonic. Intensity of cavitation is significant in ultrasonic wastewater treatment, but is complicated to measure.A time difference based method of ultrasonic cavitation measurement is proposed.The time differences at different powers of 495kHz ultrasonic are measured in experiment in comparison with conductimetric method.Simulation results show that time difference and electrical conductivity are both approximately positive proportional to the ultrasonic power.The degradation of PNP solution verifies the availability in wastewater treatment by using ultrasonic.
出处 《High Technology Letters》 EI CAS 2016年第1期63-66,共4页 高技术通讯(英文版)
基金 Supported by the National Natural Science Foundation of China(No.11274092,11274091,11304026) the Fundamental Research Funds for the Central Universities(No.14B10128)
关键词 cavitation intensity sound velocity time difference wastewater treatment 测量时间 废水处理 超声波 空化作用 超声空化效应 污水处理 测量方法 对比试验
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