| 摘要 |
PROBLEM TO BE SOLVED: To provide a treatment method of wastewater and waste oil which can efficiently decompose engine oil, cutting oil, and oils in a grease trap by using the remarkable working effect of a photocatalyst exhibited when used in treatment of the engine oil, the cutting oil, and the oils in a grease trap. SOLUTION: In the treatment method of wastewater and waste oil, the photocatalyst is added to the engine oil, the cutting oil, and the oils trapped in a grease trap beforehand in the treatment of the engine oil, the cutting oil, and the oils in a grease trap. COPYRIGHT: (C)2010,JPO&INPIT
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