采用改良型A2O工艺进行同步脱氮除磷试验，表明改良型A2/O通过连续进水方式也可以驯化富集出反硝化聚磷菌，并且通过试验表明其中氧和NO--3-N为电子受体时的同步脱氮除磷效率要高于NO 2-N为电子受体时的情况，系统最终磷处理效果受进水的C源影响很大。%Using improved A2O process for simultaneous phosphorus and nitrogen removal experiment shows that improved A2/O can domesticate enrichment denitrifying phosphorus-accumulating organisms by way of continuous water feeding, and through the experiments, it shows that the simultaneous phosphorus and nitrogen removal rate is higher when the NO-3-N is the electron acceptor than the NO-2-N is the electron acceptor, the eventually phosphorus treatment effect of the system is highly affected by the waterlogged C source.
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