This is designed for those applications where any visible organics on the grit is unacceptable.
Fed from a vortex, aerated grit chamber, detritor tank, or any other means of grit separation either by airlift or grit pump, the SANDWASHTM grit washer utilizes a multi-stage washing process to remove organics and other larger, lower density objects to be returned to the downstream biological treatment. SANDWASHTM creates a fluidised bed where the lighter organic particles are separated from the dense grit particles. A central stirrer keeps the grit in motion. Once the organic material is removed the clean grit is transported via a shaftless spiral conveyor.
