The road (earthwork part) and the underside of the bridge at the time of rainfall, and the initial Purification of polluted rainwater by sedimentation, adsorption, filtration, ion exchange, etc./ Discharge and discharge a specific amount of rainwater with low pollutants by monthly flow By bypassing the initial road pollution rainwater treatment and conventional road drainage performance At the same time, it is possible to secure the initial excellent reduction system of the water collection port of the road.
function
Initial excellent treatment by sedimentation-media filtration, specific rainwater bypass by weir
Processing efficiency (BOD: 60% or more, COD: 80% or more, SS: 80% or more, T-N: 50% or more, heavy metal: 60% or more)
Multiple contaminants can be removed simultaneously with the multi-filter cartridge system