In the CrossFlow separator, particles settle against a countercurrent flow of fluidization water. As a result, this quiescent, plug-flow system provides an excellent method for rinsing, cleaning and washing material.

The CrossFlow provides an efficient method for acid neutralization where particles are continuously washed by fresh teeter water. One such example is for treating low pH zircon which can be rendered neutral in a relatively small foot print while generating a minimum amount of acidic liquor.