基于总氮达标的河南省某污水处理厂提标改造工艺研究

总氮达标排放是目前城市污水处理厂提标改造的重点.在对河南省某污水处理厂进水水质调查分析的基础上,针对原有工艺存在总氮超标的风险,进行"增加碳源精准投加系统并将生物池运行工艺调整为倒置A2O工艺"的提标改造,提高了污水中总氮的去除效率,确保污水处理厂出水稳定达标排放.结果表明:自2018年5月调试运行以来,出水水质稳定达...

Research on the Upgrading Process of a Sewage Treatment Plant in Henan Province Based on Total Nitrogen Compliance

Total nitrogen emission is the focus of the current urban sewage treatment plant.On the basis of the investigation and analysis of the influent water quality of a sewage treatment plant in Henan Province,the risk of excessive nitrogen exceeding the standard in the original process is carried out,and the "Increase carbon source precise dosing system and adjust the operation process of biological pool to inverted A2O process" is proposed.The standard transformation has improved the removal efficiency of total nitrogen in the sewage and ensured that the effluent of the sewage treatment plant is stable and discharged.The results show that since the commissioning operation in May 2018,the effluent water quality has consistently reached the "Jaluo River Basin Water Pollutant Emission Standard"(DB 41/908-2014).