反硝化深床滤池冬季脱氮运行的应用探讨

Winter Performance of Deep-bed Denitrification Filter for Nitrogen Removal

安徽省阜阳市颍南污水处理厂升级改造工程主体采用反硝化深床滤池工艺。详细介绍了其设计和运行参数以及冬季的脱氮效果。该工程投入运行后对SS的去除效果很好,出水TN浓度也能稳定达到一级A标准。分析了实际碳源投加量高于理论计算值的原因,并给出了解决措施。

The deep-bed denitrification filter was used as the main unit during upgrading and reconstruction of Yingnan wastewater treatment plant in Fuyang City,Anhui Province. Full scale application has showed that the SS was removed very well,while the effluent TN concentration was also controlled to the first level class A criteria of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant( GB 18918-2002). In addition to the parameters of design and operation,the effect of denitrification in winter time was summarized in detail in this paper. With regard to the phenomenon that the organic carbon dosage was higher than the theoretical demand of organic carbon,the reason and solution were both explained as well in this paper.