キャビテーションジェットによる海上流出油の乳化分散

概要

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Spilled oil sometimes causes a detrimental effect on ocean environment. Therefore, the protection and the recovery are the most important issue on the preservation of ocean environment. Dispersant is often used when the recovery is difficult. However, the use of dispersant may cause another side effect on the ocean environment. Dispersing oil by a cavitating jet seems better, because we use only pure water (sea water), and there are no side effects. The present study shows the applicability of the cavitating jet in laboratory scale. The C-heavy oil of 10 ml was spread on the water surface in a tank and was disposed to the cavitating jet from 45 degree below. The dispersed oil was sampled and measured by a microscope. The diameter of the dispersed oil was less than 50 micrometers and the concentration was 0.2-1.4 percent. This result shows that the cavitating jet is a promising tool in spilled oil treatment.
社団法人日本船舶海洋工学会の論文