| abstract |
(57) [Problem] To remove PCB from oil containing PCB and reuse the oil. (A) adding water and a photocatalyst to oil containing PCB, and (b) after or while blowing an oxygen source selected from pure oxygen, oxygen-enriched air or air into the liquid, The liquid is irradiated with light and (c) the aqueous phase in which the halogen ions are dissolved and the oil phase are separated. A method for purifying an oil containing a halogenated organic compound, comprising repeating each step including at least once. |