基于倒置A2/O工艺脱氮除磷存在问题的优化措施

Industrial Water Treatment(2019)

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Abstract
随着污水排放标准的提升,采用常规倒置A2/O工艺处理废水时,COD、NH4+-N、TN、TP的质量浓度无法全部达到排放标准要求.对该工艺存在的碳源竞争、进水碳源不足、SRT矛盾等不足进行优化改进,通过分段进水、投加外加碳源、MBR工艺联合运行的方式达到提高脱氮除磷性能的目的.同时,为及时处理各类水质突发状况,宜采取多模式运行理论.
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