It applies the advanced treatment technology for removing contaminants from sewage and wastewater and discharge the treated water with air-vent type discharge system without disruption by controlling the air supply and agitation, depending on concentration of inflow water, through prediction and proportional control of DO concentration based on rotation number of speed variant floating aerator and DO gauge.

• Minimization of bioreactor components
• Simple and convenient construction
• Ensuring the highest quality of treated water
• Operation know-how
• Response to fluctuation of concentration load
• Response to fluctuation of flow load

• Reduced facility cost
• Reduced labor costs
• Lowest power consumption
• Reduction of construction cost

• Constructed of technology-intensive compact equipment
• Simple process configuration
• Reduced maintenance costs
• Excellent load capacity
• Unmanned operation
• Automatic control

• Periodically repeating oxygen-free, anaerobic, aerobic, precipitation and discharge in a single reaction tank
  - Reduction of site area and initial construction cost

• Advanced treatment technology that discharges treated water by air vent type discharge device
  - Easy maintenance
• Establishment of maintenance by integrated monitoring and control system
  - Automation, unattended operation, and easy follow-up management

• Interlocking the control of speed variante floating surface aerator system and DO concentration - Ensuring the stability
• Bioreactor operating conditions can be adjusted in terms of time rather than spatial concepts - Resilient efficiency can be maintained by aerobic, oxygen-free and anaerobic processes