低碳氮比生活污水脱氮处理技术研究现状

Research Status of Denitrification Treatment Technology for Domestic Sewage with Low Carbon to Nitrogen Ratio

目前,我国采用的活性污泥法处理生活中的污水,出水的氨氮难以符合国标要求。自水十条发布后,要求污水厂出水必须达到一级A排放标准,所以处理生活污水急需更先进的设备与工艺。综述了外加碳源脱氮技术和不考虑外加碳源脱氮技术,以期为低碳氮比污水的治理提供一定理论参考。

At present,the activated sludge method used in our country to treat domestic sewage,the ammonia nitrogen in the effluent is difficult to meet the requirements of the national standard.Since the release of the Ten Articles of Water,the effluent of the wastewater treatment plant must meet the level A discharge standard,so more advanced equipment and processes are urgently needed for the treatment of domestic sewage.The article reviews the denitrification technology with external carbon source and does not consider the technology of external carbon source denitrification.It is expected to provide a certain theoretical reference for the treatment of lowcarbon-nitrogen ratio sewage.