| 摘要 |
PROBLEM TO BE SOLVED: To provide waste water treatment equipment capable of ozonization for waste water having foaming properties. SOLUTION: In the waste water treatment equipment, waste water containing hardly decomposable organic matter, colored substance or the like, and an ozone-containing gas are made to flow into a reaction tank 1, and hardly decomposable organic matter or the like in the waste water are oxidized by the ozone, the middle of an exhaust line 8 for the gas after the reaction from the reaction tank 1 to an waste ozone treatment apparatus 4 is provided with a sealed defoaming tank 2 for defoaming foam generated from the reaction tank 1 and flowing out to an exhaust line 8a, the defoaming tank 2 is provided with apparatuses 5, 6, 7 of sprinkling water or a defoaming agent solution, and the lower part of the defoaming tank 2 is provided with an outflow port 2b of flowing out a liquid 20 through a water seal. COPYRIGHT: (C)2007,JPO&INPIT
|
