Wastewater Treatment System with Downflow Aerobic Contact Tower and Sedimentation Basin

摘要

The present invention provides an aerobic biofilm contact material for efficient treatment of sewage and wastewater including organic matters and a smooth flow of air to the biofilm and the efficiency of sedimentation basin, and the downflow type aerobic organisms which can simplify piping and reduce the land area. The present invention relates to a wastewater treatment device in which a contact tower and a settler are mixed. To install the willowware on one side of the sedimentation tank to be discharged to the clean water outlet, and the sludge discharged to the sludge outlet by the sludge discharge device.