| 摘要 |
PROBLEM TO BE SOLVED: To decompose a difficult-to-decompose organic matter contained in water, sludge and slurry at normal temperature and pressure, with a small quantity of energy and without using special chemicals or forming a by-product. SOLUTION: An object 2 to be treated is irradiated with an ultrasonic wave of the frequency to vibrate and extraction-treat the solid phase of the object 2 and an ultrasonic wave of the frequency to decompose the liquid phase of the object 2 from ultrasonic wave generators 7a and 7b.
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