Patent ID: 7258800
Filing Date: 2007-08-21
Classification: B01D,C02F

Abstract:
1. A batch tank waste water treatment system for treating waste water having various types of contaminants therein, the system receiving the waste water from a waste water source, the system comprising: a batch tank having a top, a bottom and sides, said batch tank adapted for receiving and treating a single batch volume of the waste water; an influent surge tank with an oil/water separator mounted in the top of said batch tank and adapted for receiving waste water from the waste water source, said oil/water separator including a plurality of coalescing plates adapted for separating free oil from the waste water, the oil is discharged from a top of said surge tank and out of a side of said batch tank, heavy solids at a bottom of said surge tank are drained therefrom; sludge and heavy solids receiving means disposed in the bottom of said batch tank for receiving the heavy solids from said surge tank; a waste water containment pan disposed in the bottom of said batch tank, said containment pan adapted for receiving the waste water from said surge tank; a water treatment pump mounted in said containment pan for pumping the waste water upwardly through a tank fill pipe; a water treatment tank mounted in a top of said batch tank, said tank fill pipe attached to said water treatment tank for filling it with waste water, said water treatment tank including at least two electrodes mounted in an open top thereof, said electrodes are separated using insulating support spacers for providing proper electrode spacing and insulation between said electrodes; a power supply connected to said electrodes and adapted for applying current to the waste water for electrocoagulation in removing the contaminates therefrom; and clean water collection means mounted in said batch tank for receiving clean water from said water treatment tank.