Wastewater treatment plant and method for nitrogen and phosphorus removal

摘要

The present invention combines two or more sewage treatment facilities or sedimentation-type oxidizing spheres by oxidizing spheres in order to effectively decompose organic matters in the treatment of sewage or wastewater, as well as nitrogen and phosphorus, and operate in a flow path changing method and an intermittent aeration operation method. By constructing sewage wastewater treatment facility and adopting the step-by-step operation by combining the flow path change and intermittent aeration operation method, it is economical in terms of construction cost and operation cost, and wastewater treatment for nitrogen nitrogen removal efficiency and efficient nitrogen phosphorus removal in land use. It relates to a facility and a method.