Activated sludge settling promoter and activated sludge treatment method for wastewater using the same

摘要

A powder of magnetized material is added to an aeration chamber, and aeration is conducted. The mixture is then sent to a sedimentation chamber, and solid-liquid separation is conducted. A portion of the precipitated sludge is returned to the aeration chamber as return sludge and reused. Sedimented sludge is highly concentrated, due to the action of the magnetized material. By returning a portion to the aeration chamber as return sludge, the biomass concentration becomes high, and high load operation in the aeration chamber can be achieved. IMAGE