AO工艺处理工业污水的运行研究

Operation Study of Industrial Wastewater Treatment by AO Process

摘要:

为便于制药化工行业废水的调控，针对运行阶段容易出现的出水氨氮不稳定、DO不稳定、出水浊度高等常见问题，筛选符合经济效益的改造手段。本研究主要是通过调控硝化菌种的繁殖周期、以及生存的外环境来控制出水氨氮浓度；通过理论需氧量支撑工程技术改造、保证DO的稳定；通过改变污泥的排放周期和精准控制、降低出水的浊度，为工艺严选和运行把控提供技术支撑。

Abstract:

In order to facilitate the regulation and control of the wastewater from the pharmaceutical and chemical industry, aiming at the common problems of unstable ammonia nitrogen, unstable DO and high turbidity of the effluent in the operation stage, the reconstruction methods meeting the economic benefits are screened. In this study, the ammonia nitrogen concentration in the effluent is controlled by regulating the reproductive cycle of nitrifying bacteria and its external environment. The engineering technical reconstruction is supported by the theoretical oxygen demand to ensure the stability of DO. By changing the discharge period of sludge and the precise control, the turbidity of the effluent can be reduced, which can provide the technical support for the strict process selection and the operation control.