Patent ID: 7775372

Claim:
An apparatus for separating materials comprising: a tank having a first end, a second end and opposing sidewalls extending therebetween, the tank further defining an upper chamber and a lower chamber separated by a divider wall and interconnected by a flow path remote from the first end, wherein the upper chamber is vertically stacked above the lower chamber; an inlet in the first end of the tank to introduce flocculent into the upper chamber; a flocculent circulation system interconnecting the lower chamber and the upper chamber, the flocculent circulation system being operable to circulate flocculent from the lower chamber to the upper chamber via the inlet; a first material conveyor at least partially disposed in the upper chamber, the first material conveyor being operable to convey materials from the tank; and a clean out valve within the divider wall to selectively release debris from the upper chamber into the lower chamber, wherein the divider wall is inclined upward from the first end of the tank to the second end of the tank and the clean out valve is disposed at the first end of the tank.