Oxygen controlling wastewater treatment system

摘要: An aerobic wastewater treatment system including an aeration tank, the interior of tank being divided into at least a first chamber and last chamber, each chambers having lower portion upper portion; structure for allowing influent to be treated return sludge enter tank; mixed liquor flow sequentially through portions chambers; effluent outlet associated with exit agitator enhancing oxygen transfer from chamber; introducing high-purity maintaining pressure in or below existing atmospheric pressure; controlling gas passage removing by vacuum near constant dissolved content chamber.