Waste Water or Slurry from the Gang Saw is coming to slurry Tank, where a submerged Motor Driven Pump controlled by a limit level guard, automatically, conveys the Slurry through feed pipe to Conical Tank On its way to the conical tank (Decanter), the slurry is treated with flocculent, which is dissolved in the tank of flocculent system by means of electric mixing device and drained into a lower tank where a dozing pump injects the flocculents into the feed pipe of conical tank.