UNDERGROUND WASTEWATER TREATMENT FOR CAR WASHING WITH DELIVERY ON SEWER

Underground car wash purifiers for delivery to the public sewer composed of a grit separator for treatment of suspended solids, an oil and hydrocarbon separator and an aerated percolator filter for elimination of surfactants. The underground car wash purifiers for delivery to the sewer have a timed pump at the end to activate the aerated percolator. The entire