In the first smaller chamber the wastewater is exposed to finebubble aeration. Floatable particles rise to the water surface where they accumulate and are removed by a paddle system just before the outlet. The second chamber is unaerated and equipped with lamella units. Due to the deep flow approach and the advantages of a lamella separator, the GritWolf® reliably removes even very fine grit.
The grit trap tank is usually made of concrete, stainless steel tanks are however available as an option for smaller plant sizes. The GritWolf® can also be integrated into existing grit trap chambers. The horizontal grit conveyor, the lamella packages and the paddle system for grease removal are manufactured from corrosion-resistant materia.
The grit is removed axially from the HUBER Grit Trap GritWolf® by a time-controlled horizontal screw conveyor. Even large ‘sand dunes’ occurring under stormwater conditions (stormwater flushes) are therefore evenly dosed into the suction area of a grit pump. The grit pump delivers the grit-water mix into a HUBER Coanda Grit Washer RoSF4 that produces clean grit in a proven way, thus perfecting the entire grit treatment system.