To provide an apparatus for removing phosphoric acid esters in a waste oil and to provide a treating system for the waste oil containing polychlorinated biphenyl (PCB).
The apparatus for removing phosphoric acid esters is configured to include a storage tank 11 to store the waste oil 13 containing the phosphoric acid esters 12, a supply tank 14 to supply a predetermined amount of the waste oil 13 containing the phosphoric acid esters 12 and supplied from the storage tank 11 through a line L1, a mixing tank 18 furnished with a stirring means 17 for mixing the waste oil 13 supplied from the supply tank 14 through a line L2 with an oxidant 16 supplied from an oxidant supply tank 15, an analyzing part 22 to analyze phosphorus (P) or phosphoric acid (H3PO4) in a reaction liquid 19 comprising the waste oil 13 mixed with the oxidant 16, a circulation line L4 to return the reaction liquid 19 to the mixing tank 18, a settling tank 25 to settle the reaction liquid 19 based on the result of the analyzing part 22 and separate the liquid to an oil layer 23 and a water layer 24, a filter 26 to remove solid component in the oil layer 23, and a waste water-treating part 29 to remove the phosphoric acid in the water layer 24.
DOBASHI SHINSAKU
NOZAKI AKIHIRO
TATSUHARA KIYOSHI
SHINODA KATSUHIKO
| JPH0724485A | 1995-01-27 | |||
| JP2011143351A | 2011-07-28 | |||
| JP2011144259A | 2011-07-28 | |||
| JPH0217993A | 1990-01-22 | |||
| JPS53144000A | 1978-12-14 | |||
| JPH0724485A | 1995-01-27 | |||
| JP2011143351A | 2011-07-28 | |||
| JP2011144259A | 2011-07-28 | |||
| JPH0217993A | 1990-01-22 | |||
| JPS53144000A | 1978-12-14 |
Jun Takamura