Abstract
References
Information
Many researchers have studied the effectiveness of ultrasound in chemical and environmental engineering fields including material synthesis, pollutant removal, cleaning, extraction, and disinfection. Acoustic cavitation induced by ultrasound irradiation in aqueous phase can cause various sonophysical and sonochemical reactions without any chemicals. However most of the previous studies focused only on the relationships between ultrasonic conditions and the results of sonochemical reactions in lab-scale sonoreactors. As a results of this, only a few studies have been devoted to design and optimization of industrial scale sonoreactors. In this study, the effect of the distance between two opposite transducer modules on sonochemical reactions was investigated in single and dual irradiation systems (334 kHz) for four distances including 50, 100, 150, and 200 mm using KI dosimetry. It was found that the dual irradiation systems provided higher performance in terms of the zeroth reaction coefficient and the cavitation yield compared to the single irradiation systems. The sonochemiluminescence (SCL) images for the visualization of the cavitation field showed that cavitation active zone was larger and sonochemical reaction intensity was much higher in the dual irradiation system than in the single irradiation system.
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- Publisher :The Korean Society of Soil and Groundwater Environment
- Publisher(Ko) :한국지하수토양환경학회
- Journal Title :Journal of Soil and Groundwater Environment
- Journal Title(Ko) :지하수토양환경
- Volume : 18
- No :5
- Pages :39 ~ 45
- DOI :https://doi.org/10.7857/JSGE.2013.18.5.039


Journal of Soil and Groundwater Environment





