To provide an apparatus for removing a phosphoric ester in waste oil and a treatment system of waste oil containing PCB.
This apparatus includes: a delivery tank 14 which delivers a predetermined amount of waste oil 13 including a phosphoric ester 12; a mixing tank 18 equipped with a stirring means 17 which mixes an alkali agent 16 from an alkali agent delivery tank 15 with the waste oil 13 delivered from the delivery tank 14 through a line L2; an analysis part 22 which analyzes phosphorus (P) or phosphoric acid (H3PO4) in the reaction liquid 19 in which the alkali agent 16 is mixed with the waste oil 13; a circulation line L4 which returns the reaction liquid 19 to the mixing tank 18; a stationary tank 25 which allows still standing of the reaction liquid 19 according to the result from the analysis part 22 and separates an oil layer 23 from a water layer 24; a filter 26 which removes a solid content in the oil layer 23; a storage tank 28 which stores treated waste oil 27 which was subjected to removal treatment of the phosphoric ester 12 after passed through the filter 26; and a waste water treatment part 29 which removes phosphoric acid in the water layer 24.
DOBASHI SHINSAKU
NOZAKI AKIHIRO
TATSUHARA KIYOSHI
SHINODA KATSUHIKO
| JP2011144258A | 2011-07-28 | |||
| JP2011143351A | 2011-07-28 | |||
| JPH0217993A | 1990-01-22 | |||
| JPS53144000A | 1978-12-14 | |||
| JP2011144258A | 2011-07-28 | |||
| JP2011143351A | 2011-07-28 | |||
| JPH0217993A | 1990-01-22 | |||
| JPS53144000A | 1978-12-14 |
Jun Takamura