Pretreatment of high phosphorus and high ammonia nitrogen wastewater in Fengxiang, Shandong Province (pre-biochemical) to remove phosphorus and ammonia nitrogen,
Magnesium agent /MAP method + M+FLO magnetic flocculation sedimentation tank, treatment scale of 20,000 m3/d (single tank)
Note: MAP-MgNH4PO4·6H2O