Water quality improvement equipment and water quality improvement method

摘要

The present invention relates to efficiently remove nutrients such as phosphorus and nitrogen together with water purification is achieved, is to provide a water quality improvement technology that considers the ecosystem to be able to effectively suppress the occurrence of toxic phytoplankton and water plant compounds thing. The apparatus includes a iron ion elution device 30, and the water intake pump P ₁ provided in the intake channel 26, and a means for removing deposits of iron ion dissolution apparatus cuff or by rotation, and aeration body 40 for aeration in water The anda aeration means comprising a blower 41, disposing the aeration body 40 to a position spaced from the iron ion elution unit 30. .BACKGROUND