| 摘要 |
<p>PURPOSE: A wastewater treatment method using pure oxygen is provided, which can supply maximum oxygen into the surface of finely sprayed wastewater particles by mixing with cooling water by pressurized spray method. The cooling water is saturated with oxygen in a sealed reactor by feeding sufficient amount of oxygen and air and mixing followed by dilution. Also, the habitat for aerobic microorganism is kept at optimum condition by keeping the temperature constantly using heater, thereby can treat wastewater in high efficiency. The system can also eliminate any danger caused by feeding oxygen directly to wastewater. CONSTITUTION: The method comprises the following steps: (i) a No.1 process that collects wastewater and removes impurities by screen; (ii) a No.2 process that removes coagulated flock by agitating and adding various chemicals and primarily aerate; (iii) a No.3 process that sprays the No.2 stage wastewater as a fine particles and mix with cooling water that is saturated with pure oxygen and air which are selectively mixed; (iv) a No.4 process that removes phosphorus and ammonia by adding chemical to the tertiary treated water; and (v) a No.5 process that settles and filters the treated water of the No.4 process.</p> |
