P4 超音波霧化とオゾン照射を組み合わせた水中のVOCの分解

概要

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The ultrasonic atomization was combined with ozone irradiation to improve the decomposition performance of VOC. The sample was Trichloroethylene(TCE) aqueous solution. The kind and velocity of carrier gas were changed, and the TCE concentrations in gas and liquid phases were measured. From the change in TCE concentration in gas outlet, the decomposition conversion was estimated. By the application of ultrasonic atomization, the TCE concentration in the liquid decreased, which indicated that the evaporation of TCE from the liquid to the gas phase was promoted. With increasing velocity of carrier gas, the layer of atomized droplet became higher and the decomposition conversion of TCE became higher. From this, it was considered that the decomposition of TCE was promoted by the decomposition in the atomized droplets, where the TCE was concentrated.
日本ソノケミストリー学会の論文
2005-10-14