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Road processing facility
WATERON-ANT (Wateron- Advanced Non point source Treatment)

1. Overview
◦ This is a system that treats initial stormwater in pretreatment tank using ba gravity sedimantation and screen during rainfall and then additionally treats the stormwater through the filtering material mounted inside filtration tank based on upstream filtration method. 

2. Key Technologies
◦ Simple structure and process, optimizing the initial stromwater treatment facilities
 - System taht can be installed in limited space such as roads and workplaces
◦ minimal maintenance system (Semi-permanent use with simple air cleaning)

◦ Processing sequence
 Inflow → Gravity sedimantation → Screen filtration → Filter filtration → Discharge

3. Applications
◦ Roads and gutter sections
◦ Parking lot, vehicle base
◦ Wastewater discharge reporting plant
◦ Housing land development district 
◦ Industrial complex, agricultural complex
◦ Airports, port facilities

4. Features
◦ Simple internal structure enabling excellent workability and site application
◦ Stable physical treatment of BOD, SS and other contaminants by screen, gravity sedimentation and secondary filter filtration
◦ Little concerns about blockage or backflow of media
◦ Excellnet treatment efficiency in removing oil components and sediments

5. Manual maintenance details
◦ Dredging of inert matters by using dredging vehicles (MOE(Ministry of Environment) Standard: 3 times a year)

◦ High-pressure air is injected into the air inlet provided at the top of filter chamber to separate contaminants from filter media