【摘要】 采用活性污泥A/O工艺对炼油废水中氨氮的去除进行了试验研究。结果表明,该系统的氨氮容积负荷高达0.165kg/m3·d,对NH3 N和COD的去除率分别在97.3%和84%以上,而且系统的抗冲击能力强,出水稳定。在硝化过程中,溶解氧对氨氮的去除率和硝化产物的形态有一定的影响。更多还原

【Abstract】 The degradation of ammonical nitrogen in the refinery sewage by means of the activated sludge A/O procese is studied through experiments. The results show that the volume loading for ammonical nitrogen is as high as 0.165kg/m3.d and the removal efficiency of NH3N and of COD exceeds 97.3% and 84% respectivelyThe A/O system displays a great resistance to shock,and the effluence quality is stable.It is also found that the dissolved oxygen has a certain impact on the removal efficiency of NH3N and the composition of the nitrification product.更多还原