| abstract |
The utility model discloses a coal chemical wastewater treatment device, comprising: a biological film treatment module, which is provided with a water inlet to be treated, the biological film treatment module is used for the decomposition and inorganicization of organic matter; a rear ozone catalytic oxidation module is installed The inlet is communicated with the outlet of the biofilm treatment module, and the rear ozone catalytic oxidation module catalyzes the oxidation of organic matter and cyanide. The device strengthens the biological treatment of coal chemical wastewater, and effectively removes COD, phenols, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen, organic nitrogen, trace phosphorus, cyanide, and thiocyanate in the coal chemical wastewater. GB8978‑1996 Integrated Wastewater Discharge Standard”. |