AIR SUPPLY METHOD IN DEEP SHAFT

摘要: PURPOSE:To raise COD treating efficiency, by supplying air-mixed raw water to the upper part of inner cylinder in a deep shaft hold region ranging from an air outlet nozzle under aerobic condition. CONSTITUTION:In process consisting supply pump 2, compressor 1 and ultra-deep layer aeration tank, mixing tank 9 is provided emitting above mentioned 2. Raw mixed with said oxygen required preventing lowering DO (dissolved oxygen) over range reaching blowing point 5 end 4 held atmosphere.