氧化塘深度处理焦化废水的初步研究

A preliminary study on deep treatment of coke plant with bio－oxidation pond process

焦化废水经过常规的二级处理后，COD和NH3－N往往难以达到国家排放标准。以活性污泥法处理焦化废水的出水水质为依据，采用氧化塘深度处理焦化废水．其COD和NH3－N均可达到国家排放标准。因此，只要条件控制得当，运用氧化塘处理低浓度焦化废水可以获得较好处理效果。

Generally it is dlfficult for the concpntration of COD and NH3－N in coke plant effluence to meet the state standard after secondarily treated by ordinary methods. However, after deep treated in bio－oxidation, it can meet the state standard. With proper operation conditions, it can have high effluence of treatment in bio－oxidation pond for the low concentration coke plant wastewater.